Chevrolet Blazer/Jimmy 1969-1982 Repair Guide

Timing Chain/Gear Cover Oil Seal

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REMOVAL & INSTALLATION



With Cover Removed


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Fig. Fig. 1 Installing the front cover seal with the cover removed

  1. After removing the cover, pry the oil seal out of the front of the cover with a large screwdriver.
  2.  
  3. Install a new lip seal with the lip (open side of seal) inside and drive or press the seal into place.
  4.  

With Cover Installed


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Fig. Fig. 2 The front cover oil seal can also be installed with the cover in place

  1. Refer to the procedure for removing the timing gear cover and remove the damper.
  2.  
  3. Carefully pry the seal out of the cover with a large screwdriver.
  4.  
  5. Drive the new seal in as illustrated, using a seal driver of the correct diameter between the mallet and the seal.
  6.  

 
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