1972 Chevrolet Caprice 4D Hardtop, 5.7L Eng VIN K, Not Available TransFACTORY OEM SERVICE PROCEDURE

Vacuum Motor

Remove vacuum valve retaining studs and lift valve up to remove drive arm from boss on vacuum motor mechanism. Remove retaining clip and power spring from motor mechanism, disconnect vacuum hose from port on motor. Remove two motor retaining screws and lift motor up and out. Install vacuum motor by reversing removal procedure.

Fig 1: Programmer Vacuum Motor Removal
G09311786Courtesy of GENERAL MOTORS COMPANY
Factory Service Tools

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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.

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