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/3T40TRANSAXLE DISASSEMBLYREACTION UNITREACTION UNIT DISASSEMBLY
1988 Chevrolet Cavalier RS, 4D Sedan, Standard
Reaction Unit Disassembly
1988 Chevrolet Cavalier RS, 4D Sedan, StandardSECTION Reaction Unit Disassembly
- Remove dial indicator, gauge and output shaft aligner/loader. Leave output shaft loader adapter in place.
- Remove reaction sun gear. Remove low-reverse clutch housing-to-case snap ring. Snap ring is .092" (2.34 mm) thick. Using Low-Reverse Clutch Housing Remover/Installer (J-28542 or J-34008), remove low-reverse clutch housing. See Fig 1 .
- Remove low-reverse clutch housing-to-case spacer ring from groove in case. Lift out final drive sun gear shaft and reaction gear set as an assembly. Remove roller clutch and reaction carrier assembly from final drive sun gear shaft.
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.