Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSACURA2018TLX BASE, 2.4L ENGREPAIR AND DIAGNOSIS (SINGLE PAGE)DRIVELINES & AXLESDIFFERENTIALS & DRIVE AXLESDIFFERENTIAL - TESTING & TROUBLESHOOTINGTESTINGREAR DIFFERENTIAL CLUTCH TEST (WITH SH-AWD)TEST

2018 Acura TLX Base, 2.4L Eng

Rear Differential Clutch Test (With SH-AWD): Test

2018 Acura TLX Base, 2.4L EngSECTION Test

NOTE:

Unless otherwise indicated, illustrations used in the procedure are for left side.
Before doing the Clutch Test, check the following conditions.
- Check to make sure there are no DTC detected.
- Make sure the transmission is in P position/mode.

HDS - Connect

Rear Differential Fluid Temperature - Check

1. Check that the rear differential fluid temperature is over 68 °F (20 °C) with the HDS. If it is below 68 °F (20 °C), raise the temperature by driving the vehicle in circles or by constantly turning.

Vehicle - Lift
NOTE:
The distance should be in the specified value between ground and center hub: 40-50 cm (15.7-19.7 in).
Rear Wheel - Remove

Rear Differential Clutch - Test

Courtesy of HONDA, U.S.A., INC.

1. Install the torque wrench adapter on the rear wheel hub.

Courtesy of HONDA, U.S.A., INC.

2. Install a torque wrench (A) on the torque wrench adapter as shown.

NOTE: Use a torque wrench capable of measuring up to 785 N.m (80.0 kgf.m, 579 lbf.ft) such as a commercially available Snap-on torque wrench TEC602A

3. Do the Clutch Test with the HDS

4. Slowly rotating the rear wheel hub with the torque wrench by torque of 294 N.m (30.0 kgf.m, 217 lbf.ft).

NOTE:

Turn the rear wheel hub no more than 45 degrees in 2 seconds.

If the rear wheel hub rotates, replace the left and right clutch assembly .
If the rear wheel hub does not rotate, the system is OK at this time and the test is complete.

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.