GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2001 🢒 Tracker - 4WD 🢒 Engine 🢒 Engine Mechanical - 2.5L (LE8) 🢒 Primary Timing Chain Removal
  1. Remove the engine front cover. Refer to Engine Front Cover Removal .
  2. Remove the spark plugs. Refer to Spark Plug Replacement in Engine Controls.

    3. Object Number: 648462 Size: SH

    Important: 

       • The timing marks must be correctly aligned before disassembly in order to correctly install the timing chains.
       • Avoid turning the camshafts and the crankshaft once the timing chain is removed. Valve and piston damage may occur.

  3. Rotate the crankshaft so that timing marks are aligned as shown in figure.
  4. Remove the left secondary timing chain. Refer to Secondary Timing Chain Removal - Left Side .

    5. Object Number: 778814 Size: SH
  5. Remove the timing chain guides (3) and (4).
  6. Remove the timing chain tensioner adjuster (8).
  7. Remove the idler sprocket (11) and the primary timing chain (2).
  8. Remove the idler sprocket (7) and the sprocket shaft.
  9. Remove the timing chain tensioner (9).

    10. Object Number: 648628 Size: SH
  10. Remove the right primary timing chain camshaft sprocket bolt while holding the right intake camshaft (2) with a wrench.
  11. Remove the right primary sprocket (1) from the intake camshaft.
  12. Remove the primary timing chain crankshaft sprocket.