GM Caprice 1990-1993 Repair Guide

Crankshaft Sprocket

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REMOVAL & INSTALLATION



EXCEPT 5.0L (VIN Y) ENGINE
  1. Disconnect the negative battery terminal.
  2.  
  3. Remove the timing chain and camshaft sprocket.
  4.  
  5. Remove the crankshaft sprocket using tool J-5825-A or equivalent.
  6.  
  7. Remove crankshaft key, if required.
  8.  

To install:
  1. Install crankshaft key, if removed.
  2.  
  3. Install the crankshaft sprocket using tool J-5590 or equivalent.
  4.  
  5. Install timing chain and camshaft.
  6.  
  7. Connect the negative battery.
  8.  

5.0L (VIN Y) ENGINE

See Figure 1



Click image to see an enlarged view

Fig. Fig. 1: Crankshaft sprocket removal - 5.0L (VIN Y) engine

  1. Disconnect negative battery cable.
  2.  
  3. Remove the timing chain and camshaft sprocket.
  4.  
  5. Remove the spark plugs.
  6.  

The crankshaft key has a blind keyway. The key must be removed before removing the crankshaft sprocket.

  1. Remove the crankshaft key.
  2.  
  3. Remove the crankshaft sprocket, using removal tool BT-6812, J-25287, J-21052 or equivalent.
  4.  

To insta