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 MANUALSCHEVROLET1988CAVALIER RS, 4D SEDAN, STANDARDREPAIR AND DIAGNOSISTRANSMISSIONAUTOMATIC TRANSOVERHAUL & TESTING - 125C/3T40COMPONENT DISASSEMBLY & REASSEMBLYTRANSAXLE CASEREASSEMBLY
1988 Chevrolet Cavalier RS, 4D Sedan, Standard
Transaxle Case: Reassembly
1988 Chevrolet Cavalier RS, 4D Sedan, StandardSECTION Reassembly
- Install new final drive case bushing using Bushing Installer (J-28537-2) and Driver Handle (J-8092). Drive in bushing until tool bottoms.
- Using Seal Driver (J-26938 or J-29130) and driver handle, install new right axle seal assembly. DO NOT damage seal guard during installation. Using a 1/2" socket, install manual shaft oil seal with lip up.
- Using a 1/4" drift, install new cup plug. See Figure . Cup plug should seat fully in bore. Before installing, coat ends of governor oil pipe with Loctite sealer. Install governor pipe and retaining clamp.
- Install parking pawl and spring, parking pawl shaft and retainer. Ensure large loop of pawl spring is positioned on right side of pawl. Coat parking pawl shaft cup plug with sealant, and install plug using a 3/8" drift.
- Install driven sprocket support roller bearing assembly with bearing identification facing up. Lightly tap driven sprocket support bearing into position using Bearing Installer (J-28677). Install new converter oil seal using Driver (J-28540).
RENDER: 1.0x
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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.