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 MANUALSCHEVROLET1987S10/T10 P/U 2WD V6-173 2.8LREPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINAUTOMATIC TRANSMISSION/TRANSAXLESERVICE AND REPAIROVERHAUL700-R4 AUTOMATIC TRANSMISSIONSUBASSEMBLY SERVICECASE & INTERNAL COMPONENTSTRANSMISSION ENDPLAY CHECK
1987 Chevrolet S10/T10 P/U 2WD V6-173 2.8L
Transmission Endplay Check
1987 Chevrolet S10/T10 P/U 2WD V6-173 2.8LSECTION Transmission Endplay Check
1. Remove oil pump to case attaching bolt, then install an 11 inch bolt and locknut.
2. Install endplay checking fixture adapter tool No. J-25022-A, or equivalent, as shown.
3. Install oil pump remover and end play checking fixture tool No. J-24773-A, or equivalent, as shown in, then attach a suitable dial indicator.
4. Zero dial indicator, then pull up on checking fixture. Endplay should be 0.005-0.036 inch. If dial indicator shows no endplay, then selective washer and thrust bearing have been improperly assembled.
5. If endplay is not as specified, select the correct washer from chart. The selective washer which controls end play is located between input housing and thrust bearing on oil pump hub.
6. Install O-ring seal into groove in end of turbine shaft. There should be clearance between the reverse input clutch and reaction sun gear shell. Do not try to shim internal parts because of this clearance.
2. Install endplay checking fixture adapter tool No. J-25022-A, or equivalent, as shown.
3. Install oil pump remover and end play checking fixture tool No. J-24773-A, or equivalent, as shown in, then attach a suitable dial indicator.
4. Zero dial indicator, then pull up on checking fixture. Endplay should be 0.005-0.036 inch. If dial indicator shows no endplay, then selective washer and thrust bearing have been improperly assembled.
5. If endplay is not as specified, select the correct washer from chart. The selective washer which controls end play is located between input housing and thrust bearing on oil pump hub.
6. Install O-ring seal into groove in end of turbine shaft. There should be clearance between the reverse input clutch and reaction sun gear shell. Do not try to shim internal parts because of this clearance.
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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.