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 MANUALSOLDSMOBILE1998AURORA V8-4.0L VIN CREPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINAUTOMATIC TRANSMISSION/TRANSAXLESERVICE AND REPAIROVERHAULSUBASSEMBLY SERVICEFINAL DRIVE END PLAY MEASUREMENT
1998 Oldsmobile Aurora V8-4.0L VIN C
Final Drive End Play Measurement
1998 Oldsmobile Aurora V8-4.0L VIN CSECTION Final Drive End Play Measurement
^ Tools Required
- J 25025-7A Dial Indicator Post
- J 28585 Snap Ring Remover
- J 8001 Dial Indicator
1. Install the J 25025-7A and the J 8001.
2. Position the dial indicator with the stem contacting the output shaft (112). Zero the dial indicator.
3. Insert the J 28585 through the vehicle speed sensor bore and lift the speed sensor rotor for measurement. Protect the bore with a piece of wood or a suitable piece of plastic.
4. Proper end play clearance is 0.15-0.65 mm (0.006-0.026 inch).
5. Record the measured specification. If necessary make an adjustment during reassembly using a selective thrust washer with the proper thickness.
6. Remove the dial indicator set and the post.
- J 25025-7A Dial Indicator Post
- J 28585 Snap Ring Remover
- J 8001 Dial Indicator
1. Install the J 25025-7A and the J 8001.
2. Position the dial indicator with the stem contacting the output shaft (112). Zero the dial indicator.
3. Insert the J 28585 through the vehicle speed sensor bore and lift the speed sensor rotor for measurement. Protect the bore with a piece of wood or a suitable piece of plastic.
4. Proper end play clearance is 0.15-0.65 mm (0.006-0.026 inch).
5. Record the measured specification. If necessary make an adjustment during reassembly using a selective thrust washer with the proper thickness.
6. Remove the dial indicator set and the post.
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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.