Camshaft Timing Chain Removal

Special Tools

• EN-952  Fixing Pin
• EN-953-A  Fixing Tool
• EN-955-10  Fixing Pin from EN-955  Kit

For equivalent regional tools, refer to Special Tools .

1. The engine should be adjusted to TDC.
2. The crankshaft should be fixed with EN-952  fixing pin.
3. The camshaft should be fixed with EN-953-A  fixing tool.
4. Push the timing chain (2) in direction to the timing chain tensioner (1) and fix the tensioner with EN-955-10  fixing pin (3).
   Fig 1: Timing Chain And Timing Chain Tensioner

   Courtesy of GENERAL MOTORS COMPANY
5. Remove the 2 upper timing chain guide bolts (1).
   Fig 2: Upper Timing Chain Guide And Bolts

   Courtesy of GENERAL MOTORS COMPANY
6. Remove the upper timing chain guide (2).
7. Remove the 2 timing chain guide right side bolts (2).
   Fig 3: Timing Chain Guide Right Side

   Courtesy of GENERAL MOTORS COMPANY
8. Remove the timing chain guide right side (1).
9. Remove the timing chain tensioner shoe bolt (2).
   Fig 4: Timing Chain Tensioner Shoe And Bolt

   Courtesy of GENERAL MOTORS COMPANY
10. Remove the timing chain tensioner shoe (1).
11. Remove the timing chain (1) in compound with the crankshaft sprocket (2).
    Fig 5: Timing Chain And Crankshaft Sprocket

    Courtesy of GENERAL MOTORS COMPANY