2002 Acura MDX Interior Trim Removal/ Installation.pdf

 2002 Acura MDX Interior Trim Removal/ Installation

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NOTE: Put on gloves to protect your hands. When prying with a flat-tip screwdriver, wrap it with protective tape to prevent damage. Take care not to bend or scratch the trim and panels. Be sure to disconnect the rear accessory socket and brake light failure sensor connectors when removing the left rear side trim panel. Remove the trim in the sequence shown. To remove the rear side trim panel, remove the D-pillar trim and the third row seat. Remove the jack before removing the left rear side trim panel. Install the trim in the reverse order of removal, and note these items: Replace any damaged clips. Make sure the rear accessory socket and brake light failure sensor connectors are plugged in properly.

2003 Acura 3.2CL Headlight Replacement.pdf

 2003 Acura 3.2CL Headlight Replacement

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1. Remove the front bumper. 2. Disconnect the connectors (A) from the headlight (B). 3. Remove the five mounting bolts, then remove the corner upper beam (C) and headlight assembly. 4. Install in the reverse order of removal. 5. After replacement, adjust the headlights to local requirements. 1. Make sure you have the anti-theft code for the radio and the navigation system, then write down the frequencies for the radio’s preset buttons. 2. Turn the combination light switch OFF. 3. Disconnect the battery negative cable, then disconnect the positive cable. 4. Remove the headlight assembly. 5. Remove the bulb socket from the HID bulb. 6. Remove the three mounting screws and the HID unit (A). 7. Install in the reverse order of removal. 8. After reconnecting the battery, enter the anti-theft code for the radio and the navigation system, then enter the customer’s radio station presets.

1999 Acura 3.2TL Keyless Entry/Security Alarm System Control Unit Input Test.pdf

1999 Acura 3.2TL Keyless Entry/Security Alarm System Control Unit Input Test

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’99-01 Models 1. Before testing the keyless entry/security control functions, troubleshoot the multiplex control system. Multiplex Control Unit, Driver’s 2. Remove the driver’s multiplex control unit from the driver’s under-dash fuse/relay box. 3. Inspect the connector and socket terminals to be sure they are all making good contact. If the terminals are bent, loose or corroded, repair them as necessary, and recheck the system. If the terminals look OK, go to step 4. 4. With the driver’s multiplex control unit still disconnected, make these input tests at the connector and driver’s under-dash fuse/relay box sockets. If any test indicates a problem, find and correct the cause, then recheck the system. If all the input tests prove OK go to step 5.

Cavity B11 Wire BLK Test condition Under all conditions Check for continuity to ground:There should be continuity. Test: Desired result A12 Fuse/relay Under all conditions Check for voltage to box socket ground:There should be battery voltage. A24 Ignition switch ON (II) Check for voltage to ground:There should be battery voltage. Possible cause if result is not obtained Poor ground (G503) An open in the wire Blown No. 13 (7.5A) fuse in the passenger’s under-dash fuse/relay box An open in the wire Blown No. 9 (7.5A) fuse in the driver’s under-dash fuse/relay box Faulty driver’s fuse/relay box

2004 Acura MDX Brake System Bleeding.pdf

 2004 Acura MDX Brake System Bleeding

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NOTE: Do not reuse the drained fluid. Use only clean ACURA DOT 3 Brake Fluid from an unopened container. Using a non-Acura brake fluid can cause corrosion and shorten the life of the system. Do not mix different brands of brake fluid; they may not be compatible. Make sure no dirt or other foreign matter is allowed to contaminates the brake fluid. Do not spill brake fluid on the vehicle, it may damage the paint; if brake fluid does contact the paint, wash it off immediately with water. The reservoir on the master cylinder must be at the MAX (upper) level mark at the start of the bleeding procedure and checked after bleeding each brake caliper. Add fluid as required.

1. Make sure the brake fluid level in the reservoir is at the MAX (upper) level line (A). 2. Slide a piece of clear plastic hose over the first bleed screw, and submerge the other end in a container of new brake fluid. 3. Have someone slowly pump the brake pedal several times, then apply steady pressure. 4. Loosen the left-front brake bleed screw to allow air to escape from the system. Then tighten the bleed screw securely. 5. Repeat the procedure for each wheel in the sequence shown following until air bubbles no longer appear in the fluid. 6. Refill the master cylinder reservoir to the MAX (upper) level line.

2003 Acura MDX Dashboard Side Vent Removal/Installation.pdf

2003 Acura MDX Dashboard Side Vent Removal/Installation

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Special Tools Required KTC trim tool set SOJATP2014* *Available through the American Honda Tool and Equipment Program; call 888-424-6857 NOTE: Use the appropriate tool from the KTC trim tool set to avoid damage when prying components. Driver’s side is shown, and passenger’s side is similar. 1. Carefully insert a trim tool next to the clip (A), and detach the clips by prying on the passenger’s side vent (B), then remove the vent. Take care not to scratch the dashboard and related parts. 2. Set the vent in the opening, then push the clips into place securely.

2000–2004 Acura 3.5RL VSA DTC 66 After VSA Modulator-Control Unit Replacement.pdf

2000–2004 Acura 3.5RL VSA DTC 66 After VSA Modulator-Control Unit Replacement

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Just replaced the VSA modulator-control unit (VSA modulator assembly), but now you’ve got a VSA DTC 66 (pressure sensor)? Try doing the precharge brake line bleeding procedure in the applicable S/M. (Online, enter keyword PRECHARGE and select Precharge Brake Line Bleeding from the list.) When you’re done, manually clear this DTC. Don’t try clearing it with the HDS or you’ll wind up with a VSA DTC 98—a bogus DTC. (To learn more about this problem, see the December ’04 ServiceNews article “HDS Software Bug Causes Bogus VSA DTC 98.”) After doing the bleeding procedure and manually clearing DTC 66, you should be done with this repair. But if that DTC just won’t go away . . . then check out the VSA DTC 66 troubleshooting procedure. (Online, enter keywords DTC 66 and select DTC Troubleshooting: 66 from the list.)

2007–2008 Acura MDXs MIL On With DTC P0171 or P0172? Check for an Aftermarket Air Intake.pdf

 2007–2008 Acura MDXs MIL On With DTC P0171 or P0172? Check for an Aftermarket Air Intake

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Got a vehicle in your shop with the MIL on and either DTC P0171 (fuel system too lean) or DTC P0172 (fuel system too rich)? Check to see if the vehicle has an aftermarket air intake system. If it does, you’ve probably found the culprit. Aftermarket air intake systems can throw off the MAF sensor, causing either of these DTCs to set. Even worse, they can cause serious engine damage, which is not covered by warranty! (For more info, take a look at “Cold Air Intake Systems and Low-Restriction Air Filters: A Word to the Wise” in the April ’05 issue of ServiceNews.) The airflow characteristics of these aftermarket systems can vary from one to the other.

The MAF sensor provides feedback to the PCM to get the proper air/fuel ratio. If the long term fuel trim exceeds the specified limits, the PCM will set one of those DTCs. Check out the Advanced Diagnostics in ISIS for the specific DTC limits of the vehicle that you’re working on. If the vehicle’s got an aftermarket air intake system, have the service consultant talk with your client. He or she can either have the air intake system returned to stock (and return later if the DTC comes back), or he or she can take up this problem with the maker of the aftermarket air intake system. Of course, if the vehicle already has a stock air intake system . . . then it’s high time to troubleshoot.

2004–2008 Acura TL Ticking, Creaking, Popping, or Rattling From Front Door.pdf

 2004–2008 Acura TL Ticking, Creaking, Popping, or Rattling From Front Door

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Some vehicles can make an annoying ticking, creaking, popping, or rattling from the front door when you’re driving with the window all the way up. The noise goes away, though, when you lower the window just a bit. This noise comes from a stick/slip action of the door weatherstrip. A thin coat of silicone grease will get rid of that noise, but after a few months . . . it just comes back. To get rid of that noise for good, here’s what you need to do: 1. Use isopropyl alcohol to clean the surface under the front door weatherstrip. 2. Cut a 22-inch length of 1/4-inch Squeak Reduction Tape (P/N 70200-ALL-999). 3. Lift up the weatherstrip at the upper corner of the door, and apply half the tape across the top of the door surface, pressing firmly with your fingers to ensure a good bond. Then apply the other half of the tape down the back of the door surface just the same way.

When you’re done, press down on the tape where it wraps around the corner (you want a nice, smooth contour with no edges sticking up). 4. Apply Shin-Etsu Silicone Grease (P/N 08798-9013) to the inside of the front door weatherstrip. Handy Tip: A long pipe cleaner makes a great tool for applying the grease. Most retail craft stores carry long pipe cleaners and sell them in bundles of cool, assorted colors. • Fold over the end of the pipe cleaner (so there’s no sharp edges), and insert that end all the way down into the tube of grease so that you coat the pipe cleaner.

2007–2008 Acura MDX Navi Display Won’t Switch to Night Mode With Headlights Turned On.pdf

2007–2008 Acura MDX Navi Display Won’t Switch to Night Mode With Headlights Turned On

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Got a vehicle in your shop because the navigation system display screen won’t automatically switch to Night mode when you turn on the headlights? The reason could be the dash illumination control setting. NOTE: Depending on the vehicle that you’re working on, this control could be a knob, a button, or a pair of buttons. If the control is set to full brightness when the headlights are on, it overrides automatic display mode switching and the display screen stays in Day mode no matter if the headlights are on or off. This comes in handy if you’re driving in daylight with the headlights on but you want the display screen bright so that it’s easier to read. To fix this problem, here’s what you need to do: 1. Start the engine.

2. Turn on the headlights, and adjust the dash illumination control setting from full brightness down a few clicks to middle brightness. 3. Turn off the headlights, and shut off the engine. 4. Start the engine again. 5. Cover the sunlight sensor on the dashboard with a towel to keep any light from reaching it. 6. Turn on the headlights, and watch the display screen. • If the display screen switches to Night mode, you’re done with this repair. Remove the towel from the sunlight sensor. • If the display screen stays in Day mode, refer to the Navigation System section of the applicable S/M and continue with normal troubleshooting. For more info on automatic display mode switching and for recommended display mode settings, check out System Set-up in the applicable O/M.

07–09 Acura MDX Power Mirror Works Erratically? Replace Just the Actuator.pdf

07–09 Acura MDX Power Mirror Works Erratically? Replace Just the Actuator

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Currently Applies To: ’07–09 MDX, ’07–09 RDX, and ’04–08 TL Thinking about replacing a power mirror for any of these reasons? MDX and TL only • The DPMS won’t recall one or both of the power mirror memory positions. • The DPMS moves the driver’s seat back 1 inch and then stops. • Any of these B-CAN DTCs are set: MDX • DTC B2182 (left power mirror horizontal sensor signal error) • DTC B2183 (left power mirror vertical sensor signal error) • DTC B2184 (right power mirror horizontal sensor signal error) • DTC B2185 (right power mirror vertical sensor signal error) TL • DTC B1830 (right mirror horizontal sensor malfunction) • DTC B1831 (right mirror vertical sensor malfunction) • DTC B1832 (left mirror horizontal sensor malfunction)

• DTC B1833 (left mirror vertical sensor malfunction) All • The power mirror won’t automatically return from its tilt down mode when shifting from Reverse. • The power mirror chatters or flickers when you shift into Reverse or while moving it with the adjusting switch. Warranty Parts Inspection (WPI) has found that in a number of returned power mirrors, the actuator inside was the real culprit—not the entire power mirror. So before you go off and order a new power mirror, try doing this procedure first—a new actuator may be all you really need: 1. Hook up the HDS, and check for DTCs. • If you see any of the B-CAN DTCs we’ve listed here, go to step 2. • If you don’t see any DTCs, continue with normal troubleshooting.

2. From the SYSTEM SELECT menu, select BODY ELECTRICAL, then POWER SEAT/POWER MIRROR. 3. Enter the DATA LIST, and scroll down to the applicable power mirror sensor info. 4. Check the NORMAL/ABNORMAL info. • If you see ABNORMAL, go to step 5. • If you see NORMAL, continue with normal troubleshooting. 5. Swap the affected actuator with a known- good one, then clear the DTCs. 6. Use the adjusting switch to move the affected power mirror left, right, up, or down. Then recall the different mirror DPMS positions. 7. Recheck the affected power mirror sensor info in the DATA LIST. • If you now see NORMAL, replace the affected actuator. • If you still see ABNORMAL, continue with normal troubleshooting.

2007–2008 Acura RDX VSA Activation Indicator On After VSA Modulator-Control Unit R&R.pdf

2007–2008 Acura RDX VSA Activation Indicator On After VSA Modulator-Control Unit R&R

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Just replaced the VSA modulator-control unit (VSA modulator assembly), but now the VSA activation indicator is on? Try doing the VSA sensor neutral position memorization in the applicable S/M. (Online, enter keywords VSA SENSOR and select VSA Sensor Neutral Position Memorization from the list.) NOTE: For RDXs, this procedure is called VSA system steering angle sensor center point writing. (Online, enter keywords STEERING ANGLE and select VSA System Steering Angle Sensor Center Point Writing from the list.) The VSA activation indicator should go out when you’re done, but if it’s still on . . . continue with normal troubleshooting.

2007–2008 Acura MDXs with RES Wireless Headphones Don’t Work With the RES.pdf

2007–2008 Acura MDXs with RES Wireless Headphones Don’t Work With the RES

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Got a vehicle in your shop because the wireless headphones don’t work with the RES, although they work just fine with the AM/FM radio, XM radio, or the in-dash disc changer? The digital audio lead, the digital audio sublead, or both could be the culprit. The audio for the wireless headphones is supplied by these leads to the rear controller and screen, which contains infrared sensors that transmit the digital audio signal to the headphones. If either the lead or the sublead isn’t securely plugged in at each end, or the lead or the sublead itself is bad, you can wind up with this problem. To check for and fix this problem, here’s what you need to do: 1. Refer to pages 23-112 and 23-113 of the ’07–08 MDX S/M, and enter the self-diagnostic function. (Online, enter keyword HEADPHONES and select Wireless headphones do not work . . . from the list.) 2. From the Diagnosis Menu on the overhead screen, select

1. CONNECT. Check the DIGITAL OUT status. • If you see NG in a red box, go to step 3. • If you see OK in a green box, continue with normal troubleshooting. DIGITAL LINE CONNECTION CHECK CONNECTION OK: GREEN COLOR CONNECTION NG: RED COLOR 3. Check the digital audio lead’s connector at the rear controller and screen, and make sure that it’s securely plugged in. Refer to page 23-134 of the S/M for details. (Online, enter keywords REAR CONTROLLER, and select Rear Controller and Screen Removal/Installation from the list.) • If NG in the red box now changes to OK in a green box, you’ve fixed the problem. Play a DVD in the DVD player and listen for audio in the headphones just to make sure. • If you still see NG in the red box, go to step 4.

2005 Acura RL Glove Box Removal/Installation.pdf

2005 Acura RL Glove Box Removal/Installation

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Special Tools Required KTC trim tool set SOJATP2014 * * Available through the American Honda Tool and Equipment Program SRS components are located in this area. Review the SRS component locations and the precautions and procedures before doing repairs or service. NOTE: Use the appropriate tool from the KTC trim tool set to avoid damage when prying components. Take care not to scratch the dashboard and related parts. 1. Remove the passenger’s undercover. 2. Open the glove box (A) and document tray (B). Remove the lid (C), then remove the screws (D) and bolt (E). 3. Close the glove box (A), then remove the bolts. 4. Remove the glove box (A). 1. Pull out the glove box, then remove the clips (B).

2. Remove the harness clip (C) and the ambient light bulb socket (D). 3. Disconnect the trunk lid opener main switch connector (E). 5. Install the box in the reverse order of removal, and note these items: Check if the clips are damaged or stress-whitened, and if necessary, replace them with new ones. Push the clips into place securely. Make sure the connector is plugged in properly, and the bulb socket is connected securely.

2005 Acura RL AFS Indicator Comes On With DTC B2130.pdf

2005 Acura RL AFS Indicator Comes On With DTC B2130

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SYMPTOM The AFS (adaptive front lighting system) indicator comes on with DTC B2130. PROBABLE CAUSE A software error in the AFS control unit. CORRECTIVE ACTION Replace the AFS control unit. DIAGNOSIS Check for AFS and VSA DTCs using the HDS. NOTE: AFS DTC information is in the Body Electrical section of the service manual. • If AFS DTC B2130 is present, but there are no VSA DTCs, go to REPAIR PROCEDURE. • If both AFS DTC B2130 and VSA DTC 27 are present, disregard this service bulletin and do the troubleshooting in the service manual. Troubleshoot VSA DTC 27 first, then AFS DTC B2130. REPAIR PROCEDURE 1. Turn the ignition switch to LOCK (0). 2. Disconnect the HDS from the DLC.

3. Adjust the steering column upward. 4. Remove the driver’s dashboard undercover: • Refer to page 20-100 in the 2005–07 RL Service Manual, or • Online, enter keyword DASHBOARD, and select Driver’s Dashboard Undercover Removal/ Installation from the list. 5. Remove the driver’s dashboard lower cover: • Refer to page 20-100 in the service manual, or • Online, enter keyword DASHBOARD, and select Driver’s Dashboard Lower Cover Removal/ Installation from the list. 6. Remove the lower screw (7 mm head) from the driver’s side HVAC floor ducting. 7. Pivot the floor ducting counterclockwise to allow more working space. 8. Unplug these connectors (see the appropriate section of the service manual): • AFS control unit (40P) • ECPS (electronically controlled power steering) control unit (12P) • DRL (daytime running lights) control unit (14P)

2000 Acura 3.2 TL Initialize the OPDS After You Replace Parts.pdf

2000 Acura 3.2 TL Initialize the OPDS After You Replace Parts

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On ’00 3.2TLs, and ’99–00 3.5RLs you need to initialize the OPDS (Occupant Position Detection System) whenever you replace one or both of these parts: – OPDS unit (in the seat-back) – OPDS sensor (part of the seat-back foam) If you don’t initialize the system, you’ll get an SRS DTC 15-1 (faulty OPDS unit). There are two ways to initialize the OPDS: with the PGM Tester or with the S/M procedure. We prefer using the PGM Tester, because the S/M procedure has more steps, and requires you to use the PGM Tester along with the SCS Service Connector. Here’s how to do both procedures: OPDS Initialization: PGM Tester 1. Adjust the passenger’s seat-back to an upright position, and remove anything that’s on or near the seat.

2. Make sure the PGM Tester is loaded with software version SN000 or higher, and have the PGM Tester autoprobe handy. (The autoprobe [P/N 02001373] is commonly used to troubleshoot ’92–95 vehicles.) If you can’t find it, order one from the Acura Tool and Equipment Program at 888-424-6857. OPDS Initialization: S/M Procedure 1. Do the 9-step procedure (page 23-29 of the ’99–00 3.2TL S/M or page 24-88 of the ’96–00 3.5 RL S/M). 2. Turn the ignition switch OFF (0), and disconnect the PGM Tester. 3. Erase the SRS DTC (page 23-28 of the ’99–00 3.2TL S/M or page 24-87 of the ’96–00 3.5RL S/M).

1991–1994 Acura Legend Vehicle Speed Sensor Failure.pdf

1991–1994 Acura Legend Vehicle Speed Sensor Failure

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PROBLEM Diagnosis (see section 23 of the service manual) shows that the Vehicle Speed Sensor (VSS) is malfunctioning. CORRECTIVE ACTION Replace the VSS with the kit listed under PARTS INFORMATION. NOTE: This kit eliminates the need to replace the complete power steering speed sensor assembly because of a malfunctioning VSS. 1. Raise the car on a hoist. 2. Disconnect the speed sensor assembly electrical connector from the harness. 3. Disconnect the hoses from the speed sensor assembly, and plug the ends. 4. Remove the mounting bolt. Remove the speed sensor assembly from the differential. 5. Remove the three Torx T20 tamper-proof screws. Remove the speed sensor assembly cover and lid seal.

TORX SCREWS LID SEAL 6. Remove the mounting screws, then remove the VSS. 7. Install the new VSS from the kit. Install the cover with a new lid seal and Torx screws from the kit. Install the new wire tie. 8. Install a new O-ring on the speed sensor assembly. Reinstall the assembly in the car. 9. Start the engine and turn the steering wheel from lock-to-lock several times to bleed air out of the power steering system. Turn off the engine. 10. Check the power steering speed sensor for leaks. Check the reservoir; top it off if necessary. PARTS INFORMATION Vehicle speed sensor kit (VSS, lid seal, 3 Torx screws, nylon wire tie): P/N 06560-PY3-000 O-ring, 23.5 by 2 mm: P/N 91313-611-010

2003 Acura MDX Center Console Removal/Installation.pdf

2003 Acura MDX Center Console Removal/Installation

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Special Tools Required KTC trim tool set SOJATP2014 NOTE: Use the appropriate tool from the KTC trim tool set to avoid damage when prying components. Take care not to scratch the front seat, dashboard, and related parts. 1. Remove the console panel (A). -1 Detach the clips (B) by pulling the beverage holder (C) up, then remove it. -2 Remove the shift indicator trim ring (D). -3 Gently detach the clips (E), then remove the console panel. 2. Without rear entertainment system: Detach the clips by hand, and remove the center panel lower trim (A). 3. With rear entertainment system: Remove the coin pocket (A). Pull the DVD panel (B) out to detach the clips, then remove the panel.

4. Detach the clips and release the hooks (A), then remove the driver’s console side trim (B) and passenger’s console side trim (C). 5. Gently pull out the console rear trim (A) to detach the clips and to release the hooks (B), then disconnect the rear heater-A/C passenger’s control panel-unit connector (C). 6. Remove the center console (A): -1 On both sides, remove the bolts (B) and screws (C). -2 Detach the harness clip (D). -3 Pull the center console back to detach the clips (E). -4 While lifting up on the console, disconnect the accessory socket subharness connector (F), and remove the console. 7. Install the center console in the reverse order of removal, and note these items: Replace any damaged clips.  Make sure all the connectors are plugged in properly.  Push the clips into place securely.

2002 Acura MDX DTC Troubleshooting.pdf

2002 Acura MDX DTC Troubleshooting

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DTC indicator light N: A problem in the blower motor circuit 1. Check the No. 56 (40A) fuse in the under-hood fuse/relay box, and the No. 3 (7.5A) fuse in the driver’s under-dash fuse/relay box. Are the fuses OK? YES – Go to step 2. NO – Replace the fuse(s), and recheck. 2. Connect the No. 2 terminal of the blower motor 2P connector to body ground with a jumper wire. 3. Turn the ignition switch ON (II). Does the blower motor run? YES – Go to step 4. NO – Go to step 17. 4. Turn the ignition switch OFF. 5. Disconnect the jumper wire. 6. Disconnect the power transistor 5P connector. 7. Check for continuity between the No. 5 terminal of the power transistor 5P connector and body ground.

Is there continuity? YES – Go to step 8. NO – Check for an open in the wire between the power transistor and body ground. If the wire is OK, check for poor ground at G401. 9. Turn the ignition switch ON (II). Does the blower motor run at high speed? YES – Go to step 10. NO – Repair open in the wire between the power transistor and the blower motor. 10. Turn the ignition switch OFF. 11. Disconnect the jumper wire. 12. Disconnect climate control unit connector B (26P). 13. Check for continuity between the No. 12 and No. 14 terminals of climate control unit connector B (26P) and body ground individually. Is there continuity? YES – Repair any short to body ground in the wire(s) between the climate control unit and the power transistor. NO – Go to step 14. 14. Check for continuity between the following terminals of climate control unit connector B (26P) and power transistor 5P connector.

Taking the Mystery Out of the Maintenance Minder System.pdf

Taking the Mystery Out of the Maintenance Minder System.

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To help vehicle owners know when scheduled maintenance is due, Honda has introduced the maintenance minder system in these Acura models. • ’05–06 RL • ’04–06 TL • ’06 TSX The maintenance minder system shows engine oil life in the information display to let you know when it’s time to have the engine oil replaced and regular maintenance done. There’s no longer a maintenance schedule in the O/M. The system shows engine oil life as a percentage, which drops over time as the vehicle racks up miles. It starts out at 100% with fresh engine oil, and winds down to 0%, signaling the oil life is over. The system counts down oil life based on engine operating conditions (both normal and severe). If the engine runs at higher temperatures and rpm, or at low temperatures during short trips, the oil life will deplete faster than an engine running under more normal conditions. Depending on the oil life percentage, the system shows three different messages when you turn the the ignition switch to ON (II). Here’s what you could see: The system automatically moves up maintenance items or delays them so they get done along with engine oil replacement.

For example, if tire rotation is normally done at 7,500 miles, but the oil life ends around 6,000 miles, the system will move up tire rotation. Or, if the oil life appears to be ending around 9,000 miles, the system will delay tire rotation. In either case, you would see the maintenance item code A1 in the information display. Some scheduled maintenance items are independent of the maintenance minder system. The brake fluid should be replaced every 3 years, the idle speed should be inspected every 160,000 miles, and the valves adjusted if they’re noisy. And there are driving situations where a few maintenance items deviate from the maintenance minder system. These items are affected:

2008 Acura TL Power Steering Moans or Whines During Cold Start-Up.pdf

2008 Acura TL Power Steering Moans or Whines During Cold Start-Up

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SYMPTOM A moan or whine is heard when turning the steering wheel when the engine is cold. There may be air bubbles or foam in the power steering reservoir. The noise usually goes away when the engine warms up. PROBABLE CAUSE Air is entering the power steering pump through the inlet joint O-ring. This causes bubbles to form in the power steering fluid, leading to reduced pump performance. CORRECTIVE ACTION Replace the O-ring on the power steering pump inlet joint. REPAIR PROCEDURE NOTE: Some vehicles affected by Service Bulletin 08-016, Safety Recall: 2004-08 TL Power Steering Feed Hose Leak, were not correctly repaired in that the power steering inlet joint O-ring was not replaced. Before you replace the inlet joint O-ring in this procedure, check its color: • If the O-ring is not colored orange, it was not previously replaced, and this repair will correct the power steering noise at cold start-up.

• If the O-ring is orange, it was already replaced under S/B 08-016. Continue with normal troubleshooting to find the cause of the noise. 1. Remove the right side engine compartment cover (7 clips and 1 bolt). 2. Remove the bolt holding the inlet joint to the power steering pump housing. INLET JOINT BOLT 3. Place a shop towel under the pump inlet joint. 4. Twist the inlet joint back and forth until it is loose, then carefully disconnect the joint, and point the hose upward to minimize fluid loss. 5. Remove the inlet joint O-ring. 6. Apply power steering fluid to the new orange O-ring, and install the O-ring on the inlet joint. 7. Install the inlet joint, and torque its bolt to 11 N.m (8 lb-ft). 8. Top off the power steering fluid, if needed. Start the engine, and let it idle. Make sure that the noise is gone (during a cold start-up) and that the system is operating properly. 9. Reinstall the right side engine compartment cover.