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

Timing Gear Front Cover

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REMOVAL & INSTALLATION



2.5L Engine
1986-89 MODELS

See Figures 1 and 2

  1. Disconnect the negative battery cable.
  2.  
  3. Remove the drive belts.
  4.  
  5. Raise and safely support the vehicle. Remove the right front wheel and tire assembly and the inner fender splash shield.
  6.  
  7. Remove the crankshaft damper. For details, please refer to the procedure located in this section.
  8.  

When removing the cover, use care not to distort it!

  1. Unfasten the front cover-to-engine retaining screw/bolts, then remove the timing gear front cover.
  2.  
  3. Carefully pry the seal out of the front cover using a suitable prying tool.
  4.  

To install:
  1. Clean out the oil seal recess in the front cover.
  2.  
  3. Install the new seal in the front cover using J-34995, or an equivalent installation tool, to fully seat the seal in the cover.
  4.  
  5. Thoroughly clean and dry all mating surfaces. Apply a 1 /4 inch (6mm) wide by 1 /8 inch (3mm) thick bead of RTV sealant to the front cover at the block mating surfaces.
  6.  



Click image to see an enlarged view

Fig. Fig. 1: View of the front cover RTV sealant application-1986-89 2.5L engines

  1. A centering tool fits over the crankshaft seal and is used to correctly position the timing case cover during installation. Install the cover and partially tighten the 2 opposing timing case cover screws.
  2.  
  3. Tighten the remaining cover screws in the sequence shown to 89 inch lbs. (10 Nm), then remove the centering tool from the timing case cover.
  4.  



Click image to see an enlarged view

Fig. Fig. 2: View of the timing gear front cover installation and retainer tightening sequence-1986-89 2.5L engine

  1. Install the crankshaft damper, then tighten the bolt to 162 ft. lbs. (220 Nm). Install the belts and the power steering pump.
  2.  
  3. Install the splash shield and the right wheel and tire assembly.
  4.  
  5. Carefully lower the vehicle. Adjust the drive belts.
  6.  
  7. Connect the negative battery cable, then start the vehicle and check for leaks.
  8.  

 
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