Testing On Vehicle

1966 Chevrolet P30 Series 4.1L Eng, Standard Trans, Trans Mfr CD 435GASECTION Testing On Vehicle

With transmission in neutral, engine off and rear wheels raised off ground, remove ONE wheel and tire assembly. Attach suitable adapter to axle shaft flange. Hold remaining tire firmly in place and rotate axle shaft using a torque wrench. Rotation should require a minimum torque of 40 ft. lbs. (70 ft. lbs. for new differential).

Fig 1: MEASURING POSITRACTION ROTATING TORQUE
G09335716Courtesy of GENERAL MOTORS COMPANY
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.