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 MANUALSOLDSMOBILE1982FIRENZA L4-112 1.8L VIN G 2-BBLREPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINMANUAL TRANSMISSION/TRANSAXLESERVICE AND REPAIROVERHAULSUBASSEMBLY SERVICEGM 4SPD 76MM O/D PASSENGERTRANSAXLE CASEDISASSEMBLE
1982 Oldsmobile Firenza L4-112 1.8L VIN G 2-bbl
Disassemble
1982 Oldsmobile Firenza L4-112 1.8L VIN G 2-bblSECTION Disassemble
1. Remove reverse inhibitor fitting from outside of case, then remove spring and spacer from inside of case.
2. If necessary, use tool No. J-26941 to remove input shaft and output shaft bearing cups. To install bearing cups, use tool No. J-26938.
3. Remove oil slingers.
4. If differential side bearing cups are to be replaced, use tool No. J-26941 to remove bearing cups. To install bearing cups, use tool No. J-23423-A.
5. Check interlock bracket and reverse shift fork guide pins. Remove sealant from case mating surface, using care not to damage case surface.
6. Clean all components and inspect and replace as necessary.
2. If necessary, use tool No. J-26941 to remove input shaft and output shaft bearing cups. To install bearing cups, use tool No. J-26938.
3. Remove oil slingers.
4. If differential side bearing cups are to be replaced, use tool No. J-26941 to remove bearing cups. To install bearing cups, use tool No. J-23423-A.
5. Check interlock bracket and reverse shift fork guide pins. Remove sealant from case mating surface, using care not to damage case surface.
6. Clean all components and inspect and replace as necessary.
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.