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 MANUALSCHEVROLET1986CAVALIER RS, 2D HATCHBACK, 2.8 W, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)TRANSMISSIONAUTOMATIC TRANSREMOVAL & INSTALLATION - A/TREMOVAL & INSTALLATIONTHM 125-C (TRANSAXLES)REMOVALNOTES
1986 Chevrolet Cavalier RS, 2D Hatchback, 2.8 W, Automatic
THM 125-C (Transaxles): Removal: Notes
1986 Chevrolet Cavalier RS, 2D Hatchback, 2.8 W, AutomaticSECTION Notes
- Disconnect negative battery cable. Remove air cleaner and T.V. cables from carburetor and transaxle. Remove airflow meter and intake duct (if equipped). Remove shift linkage and wiring routing clips and straps.
- Remove dipstick tube and install Engine Holding Fixture (J-28467). On Cavalier, Cimarron, Firenza, Skyhawk, & Sunbird, insert a 1/4" x 2" bolt in hole at front right motor mount to maintain driveline alignment. Remove nut securing wiring harness to transaxle.
- Remove wiring connectors from transaxle. Disconnect shifter linkage. Remove top 2 transaxle to engine bolts and left upper transaxle bracket and mount. Remove rubber hose from transaxle to vent pipe. Remove remaining upper engine to transaxle bolts.
- Raise vehicle on a hoist. Remove front wheels. Drain transaxle. Remove shift linkage bracket from transaxle. Remove lower ball joints from control arms. Remove and support axles. Remove transaxle mounting strut. Remove left stabilizer bar link pin bolt and left stabilizer bar frame bushing clamp nuts.
- Remove left frame support assembly. Remove header pipe at exhaust manifold (if equipped with 1.8L). Remove speedometer cable and starter motor. Remove torque converter cover. Mark position of flexplate and torque converter. Remove flexplate bolts. Remove oil cooling lines. Remove transaxle to engine support bracket. Position jack under transaxle. Remove remaining engine to transaxle bolts. Slide transaxle from engine and lower from vehicle.
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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.