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 MANUALSGMC1975MAGNAVAN 6.6L ENG VIN M, AUTOMATIC TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)STEERINGSTEERING COLUMNSTEERING COLUMNSREMOVAL & INSTALLATION"G" & "P" MODELSREMOVAL
1975 GMC Magnavan 6.6L Eng VIN M, Automatic Trans
"G" & "P" Models: Removal
1975 GMC Magnavan 6.6L Eng VIN M, Automatic TransSECTION Removal
- Disconnect battery ground cable. On column shift models, disconnect shifter rods at lower end of column. On "G" models, remove steering shaft flange-to-flexible coupling bolts. On "P" models, remove intermediate steering shaft upper universal yoke-to-steering shaft pinch bolt. Mark coupling to shaft relationship. Remove column clamp screw(s) on engine side of firewall if equipped, and slide cover and seal down on column.
- From inside vehicle, remove screws from floor pan cover and slide cover and seal up column. Remove steering wheel and reinstall retaining nut and washer to prevent dislocation of steering shaft. Disconnect directional wiring harness. Standard column with automatic transmission: disconnect conductor tube for transmission indicator at instrument panel. Tilt column with automatic transmission: disconnect single wire at fuse block and unclip it from parking brake bracket.
- Remove cap screws from column support bracket at dash panel. Carefully lower, then raise and withdraw column assembly, rotating it so that shift levers clear hole in floor pan.
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.