GM Grand Am/Achieva/Calais/Skylark/Somerset 1985-98

Combination Sensor

Print

REMOVAL & INSTALLATION



See Figures 1 and 2

The combination sensor is only found on the 3.0L engine.

  1. Disconnect the negative battery cable.
  2.  
  3. Remove the right side lower engine compartment filler pane and the right lower wheel house-to-engine compartment bolt.
  4.  
  5. Detach the combination sensor harness connector.
  6.  



Click image to see an enlarged view

Fig. Fig. 1: View of the combination sensor which is used on the 3.0L engine

  1. Using a 28mm socket and pull handle, rotate the harmonic balancer until any window in the interrupter is aligned with the combination sensor.
  2.  
  3. Loosen the pinch bolt on the sensor pedestal until the sensor is free to slide in the pedestal.
  4.  
  5. While manipulating the sensor within the pedestal, carefully remove the sensor and pedestal as a unit.
  6.  



Click image to see an enlarged view

Fig. Fig. 2: Combination (crank) sensor mounting-1988 3.0L engine shown

To install:
  1. If a new sensor is being installed, loosen the pinch bolt on the new sensor pedestal until the sensor is free to slide in the pedestal.
  2.  
  3. Make sure that the window in the interrupter is still properly positioned, then install the sensor and pedestal as a unit. Be sure that the interrupter ring is aligned with the proper slot.
  4.  
  5. Install the pedestal-to-engine mounting bolts, then tighten them to 22 ft. lbs. (30 Nm).
  6.  
  7. Fasten the lower wheel house-to-engine compartment bolt, then install the right lower filler panel.
  8.  
  9. Connect the negative battery cable.
  10.  

 
label.common.footer.alt.autozoneLogo