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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSGMC1983PICKUP C1500, 6.2 C, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)TRANSMISSIONMANUAL TRANSOVERHAUL - GM 117 4-SPEEDCOMPONENT DISASSEMBLY & REASSEMBLYMAINSHAFTDISASSEMBLY
1983 GMC Pickup C1500, 6.2 C, Standard
Component Disassembly & Reassembly: MAINSHAFT: Disassembly
1983 GMC Pickup C1500, 6.2 C, StandardSECTION Disassembly
- Remove thrust washer and 1st gear. Remove reverse driven gear. Remove snap ring in front of 3rd-4th synchronizer assembly. Press behind 2nd gear to remove 3rd-4th synchronizer, 3rd gear, and 2nd gear with 3rd gear bushing and thrust washer. See Fig 1.
- Remove 2nd gear synchronizer ring. Support 2nd gear synchronizer hub on front face, and press mainshaft through, removing 1st gear bushing and 2nd gear synchronizer hub. Split 2nd gear bushing with a chisel, and remove bushing from shaft.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.