Chevrolet Full Size Cars 1979-1989

Timing Cover Oil Seal

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REMOVAL & INSTALLATION





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Fig. Fig. 1 Carefully pry the old seal from the front of the timing cover



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Fig. Fig. 2 Support the rear of the timing cover (in this case with a small block of wood) in order to prevent cover damage



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Fig. Fig. 3 Drive the seal into the cover using a suitable driver



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Fig. Fig. 4 Oil seal installation with the front cover installed

Inline 6-Cylinder
  1. Remove the timing cover from the engine. For details, refer to the timing cover procedure earlier in this section.
  2.  
  3. Using a small pry bar, carefully remove the oil seal from the timing cover.
  4.  

To install:

  1. Support the underside of the timing cover to prevent warping or damage.
  2.  
  3. Lubricate the new seal with a light coat of clean engine oil.
  4.  
  5. Place the new seal's open end toward the inside of the cover, then drive the seal into position using the oil seal installation tool J-23042 or an equivalent sized driver.
  6.  
  7. Install the timing cover to the front of the engine.
  8.  

V6 and V8 Engines
COVER REMOVED
  1. Remove the timing cover from the front of the engine. For details, refer to the timing cover procedures earlier in this section.
  2.  
  3. Using a small pry bar, carefully remove the oil seal from the timing cover.
  4.  

To install:

  1. Support the underside of the timing cover to prevent warping or damage.
  2.  
  3. Lubricate the new seal with a light coat of clean engine oil.
  4.  
  5. Place the new seal's open end toward the inside of the cover, then drive the seal into position using the oil seal installation tool J-23042 or an equivalent sized driver.
  6.  
  7. Install the timing cover to the front of the engine.
  8.  

COVER INSTALLED
  1. Remove the crankshaft damper from the engine. For details, refer to the crankshaft damper procedure earlier in this section.
  2.  
  3. Using a small pry bar, carefully remove the oil seal from the timing cover. Take extra care to prevent scoring and damaging the end of the crankshaft.
  4.  

To install:

  1. Lubricate the new seal with a light coat of clean engine oil.
  2.  
  3. Place the new seal (open end toward the engine) on the timing cover and carefully drive it into the cover using tool J-23042, or equivalent.
  4.  
  5. Install the crankshaft damper to the engine.
  6.  

 
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