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 L4-151 2.5LREPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINMANUAL TRANSMISSION/TRANSAXLESERVICE AND REPAIRSUBASSEMBLY SERVICETREMEC 3 SPEEDREVERSE IDLER GEAR
1987 Chevrolet S10/T10 P/U 2WD L4-151 2.5L
Reverse Idler Gear
1987 Chevrolet S10/T10 P/U 2WD L4-151 2.5LSECTION Reverse Idler Gear
ASSEMBLE
1. Install idler gear, thrust washers and shaft in case.
2. Make sure that thrust washer with flat side is at the web end, and that the spur gear is toward the rear of case.
3. Check reverse idler gear end play in same manner and to the same clearance as the counter gear. It end play is within limits of 0.004-0.018" leave gear in case.
RENDER: 1.0x
NO RELATED
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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.