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 MANUALSCHEVROLET1986C 10 P/U 2WD V8-350 5.7LREPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINAUTOMATIC TRANSMISSION/TRANSAXLESERVICE AND REPAIRREMOVAL AND REPLACEMENT
1986 Chevrolet C 10 P/U 2WD V8-350 5.7L
Removal and Replacement
1986 Chevrolet C 10 P/U 2WD V8-350 5.7LSECTION Removal and Replacement
1. Disconnect battery ground cable.
2. Remove air cleaner assembly.
3. Disconnect T.V. cable at its upper end.
4. Remove starter motor upper retaining nut.
5. Raise and support vehicle.
6. Remove propeller shaft from vehicle.
7. Disconnect speedometer cable, shift linkage assembly and electrical connectors from transmission.
8. Remove transmission support brace attaching bolts from converter cover, if equipped.
9. Remove converter cover, then mark flywheel and torque converter for installation.
10. Remove exhaust crossover pipe and catalytic converter attaching bolts from vehicle.
11. Remove torque converter to flywheel bolts and/or nuts.
12. Disconnect catalytic converter support bracket.
13. Position a suitable jack under transmission and raise transmission slightly.
14. Remove transmission crossmember to transmission mount bolt.
15. Remove transmission crossmember to frame bolts and/or insulators, if equipped.
16. Slide crossmember rearward and remove from vehicle.
17. Lower transmission.
18. Disconnect and cap transmission fluid cooler lines.
19. Disconnect T.V. cable from transmission.
20. Position a suitable jack under engine, then remove transmission to engine attaching bolts.
21. Carefully separate transmission from engine. Install torque converter holding tool No. J-21366.
22. Remove transmission from vehicle.
23. To install transmission, reverse removal procedure and note the following:
a. Before installing torque converter to flywheel bolts, ensure weld nuts on torque converter are flush with flywheel and torque converter rotates freely by hand in this position.
b. Hand start, then finger tighten the bolts. Torque bolts to 35 ft lbs. This will ensure proper torque converter alignment.
c. Install a new oil filler tube onto transmission.
2. Remove air cleaner assembly.
3. Disconnect T.V. cable at its upper end.
4. Remove starter motor upper retaining nut.
5. Raise and support vehicle.
6. Remove propeller shaft from vehicle.
7. Disconnect speedometer cable, shift linkage assembly and electrical connectors from transmission.
8. Remove transmission support brace attaching bolts from converter cover, if equipped.
9. Remove converter cover, then mark flywheel and torque converter for installation.
10. Remove exhaust crossover pipe and catalytic converter attaching bolts from vehicle.
11. Remove torque converter to flywheel bolts and/or nuts.
12. Disconnect catalytic converter support bracket.
13. Position a suitable jack under transmission and raise transmission slightly.
14. Remove transmission crossmember to transmission mount bolt.
15. Remove transmission crossmember to frame bolts and/or insulators, if equipped.
16. Slide crossmember rearward and remove from vehicle.
17. Lower transmission.
18. Disconnect and cap transmission fluid cooler lines.
19. Disconnect T.V. cable from transmission.
20. Position a suitable jack under engine, then remove transmission to engine attaching bolts.
21. Carefully separate transmission from engine. Install torque converter holding tool No. J-21366.
22. Remove transmission from vehicle.
23. To install transmission, reverse removal procedure and note the following:
a. Before installing torque converter to flywheel bolts, ensure weld nuts on torque converter are flush with flywheel and torque converter rotates freely by hand in this position.
b. Hand start, then finger tighten the bolts. Torque bolts to 35 ft lbs. This will ensure proper torque converter alignment.
c. Install a new oil filler tube onto transmission.
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.