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 MANUALSCADILLAC1998SEVILLE SLS V8-4.6L VIN YREPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINAUTOMATIC TRANSMISSION/TRANSAXLESERVICE AND REPAIROVERHAULSUBASSEMBLY SERVICEINPUT SHAFT END PLAY MEASUREMENT
1998 Cadillac Seville SLS V8-4.6L VIN Y
Input Shaft End Play Measurement
1998 Cadillac Seville SLS V8-4.6L VIN YSECTION Input Shaft End Play Measurement
^ Tools Required
- J 39686 Input End Play Check Tool
- J 8001 Dial Indicator Set
1. Install the J 39686 into the case barrel and install the post.
2. Locate the J tab on the input shaft (604). The arrow on the tab should have a 90 ° orientation.
3. The washer must rest flat on the case cover seal. Rotate the threaded shaft clockwise until tight. Leave enough space for the collar.
4. Insert the collar. Install the J 8001.
5. Push down on the handle and check the end play.
^ The end play specification is 0.10-0.85 mm (0.004-0.033 inch).
If the measurement is out of the specification range, determine the appropriate selective thrust washer (522) for installation upon reassemble.
6. Remove the dial indicator and the post.
- J 39686 Input End Play Check Tool
- J 8001 Dial Indicator Set
1. Install the J 39686 into the case barrel and install the post.
2. Locate the J tab on the input shaft (604). The arrow on the tab should have a 90 ° orientation.
3. The washer must rest flat on the case cover seal. Rotate the threaded shaft clockwise until tight. Leave enough space for the collar.
4. Insert the collar. Install the J 8001.
5. Push down on the handle and check the end play.
^ The end play specification is 0.10-0.85 mm (0.004-0.033 inch).
If the measurement is out of the specification range, determine the appropriate selective thrust washer (522) for installation upon reassemble.
6. Remove the dial indicator 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.