GM Astro/Safari 1985-1996 Repair Guide

Servo Unit

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REMOVAL & INSTALLATION



See Figures 1, 2, 3, and 4

  1. Disconnect the negative battery cable.
  2.  
  3. Remove the vacuum hoses (if equipped), retainer, rod-to-throttle shaft, bolts and the servo.
  4.  

Do NOT allow any flexible components to route within 2 inches (50 mm) of moving parts and throttle linkages. Use plastic tie straps to hold components away from moving parts.

To install:
  1. Install the servo, bolts, rod-to-throttle shaft, retainer and vacuum hoses.
  2.  
  3. Connect the negative battery cable and check operation.
  4.  



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Fig. Fig. 1: Servo unit-2.5L engine



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Fig. Fig. 2: Servo unit-4.3L engine, with carburetor or TBI



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Fig. Fig. 3: Servo unit-4.3L engine, with electronic cruise control



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Fig. Fig. 4: Servo unit-4.3L (VIN W) engine

 
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