GM Lumina/Grand Prix/Cutlass Supreme/Regal 1988-1996

Cruise Control Servo

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REMOVAL & INSTALLATION



See Figure 1

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Fig. Fig. 1: Cruise control servo mounting and location - 1988-93 vehicles

A cruise control servo is utilized on 1988-93 vehicles.

  1. Disconnect the negative battery cable.
  2.  
  3. Tag and detach the two vacuum lines and electrical connector from the servo.
  4.  
  5. Disconnect the cable by pushing the clip fastener.
  6.  
  7. Unfasten the retaining bolts, then remove the servo.
  8.  

To install:
  1. Position the servo, then secure using the retaining bolts. Tighten the bolts to 18 inch lbs. (2 Nm).
  2.  
  3. Connect the cable to the cruise control servo using the retainer. If necessary, adjust as outlined later in this section.
  4.  
  5. Attach the electrical connector and vacuum lines to the servo.
  6.  
  7. Connect the negative battery cable and check the cruise control system for proper operation.
  8.  

LINKAGE ADJUSTMENT



Do not stretch cables or chains to make pins fit or holes align. This will prevent the engine from returning to idle.

  1. Check that the cable is properly installed and that the throttle is closed to the idle position.
  2.  
  3. Pull the servo end of the cable toward the linkage bracket of the servo. Place the servo connector in one of the 6 holes in the bracket which allows the least amount of slack and does not move the throttle linkage.
  4.  
  5. Install the retainer clip. Check that the throttle linkage is still in the idle position.
  6.  

 
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