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 MANUALSCHEVROLET1982CHEVETTE L4-98 1.6LREPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINDIFFERENTIAL ASSEMBLYPINION GEARSERVICE AND REPAIR
1982 Chevrolet Chevette L4-98 1.6L
Pinion Gear: Service and Repair
1982 Chevrolet Chevette L4-98 1.6LSECTION Service and Repair
Chevette & 1000
1. Remove rear axle extension housing. Refer to ``Rear Axle, Propeller Shaft & Brakes'' for procedure.
2. Using suitable inch lbs. wrench, measure and record torque required to rotate drive pinion for reference during assembly.
3. Install holding tool J-22399 on drive coupling splines, then using suitable socket, remove pinion nut and washer.
4. Remove splined drive coupling with puller tool J-25599. Install original pinion nut a few turns on pinion shaft, then using suitable hammer and drift, tap pinion shaft out of pinion housing. Remove front bearing. Hold gear end of pinion shaft when removing to prevent it from falling from axle housing.
5. Remove and discard pinion nut and collapsible spacer.
6. If being replaced, remove front and rear bearing races from pinion housing using drift positioned in race slots and hammer.
7. If rear pinion bearing is being replaced, remove using arbor press and adapters. Measure and record thickness of shim which is found under rear bearing.
8. Install replacement bearing races using suitable race installer. Ensure both races are fully seated.
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.