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HOMESERVICE MANUALSGMC1966I1000 STANDARD TRANS, TRANS MFR CD 435GAREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE MECHANICALMECHANICALENGINE REMOVAL3 CYLINDER DIESEL1967-70 "P" MODELS
1966 GMC I1000 Standard Trans, Trans Mfr CD 435GA

1967-70 "P" Models

1966 GMC I1000 Standard Trans, Trans Mfr CD 435GASECTION 1967-70 "P" Models
  1. Drain cooling system and disconnect battery. Remove engine cover, front bumper and sheet metal to provide clearance for removal. Remove fan, shroud and radiator core. Disconnect accelerator and stop controls from engine. Remove air cleaner, support and piping which connects air cleaner to blower manifold. Disconnect clutch control rod.
  2. Disconnect exhaust pipe from manifold, heater hoses, fuel lines and all wiring. Disconnect drive shaft and speedometer cable at rear of transmission. Position crane-type hoist through front end opening and attach lifting sling to engine at lifting brackets of engine.
  3. Remove bolts attaching engine front and rear mounts. Raise engine and transmission assembly and carefully remove through front opening.
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.