Camshaft Timing Chain and Tensioner Removal

Special Tools 

EN 50837  Timing Chain Tensioner Retraction Tool

For equivalent regional tools, refer to Special Tools .

1. Remove the upper timing chain guide bolts (2, 3).
   Fig 1: Upper Timing Chain Guide Bolts

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2. Remove the upper timing chain guide (1).
3. Remove the timing chain tensioner bolts (1) and timing chain tensioner (2).
   Fig 2: Timing Chain Tensioner Bolts

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4. Remove the timing chain tensioner gasket (3) and discard.
5. Compress and lock the tensioner using EN-50837  retention tool.
   1. Insert EN-50837  retention tool into the lever arm and push in a counterclockwise direction.
   2. Compress the tensioner while holding lever arm.
   3. Relax the force on the lever and tensioner slightly, allowing the tensioner to extend 3 ratchet clicks and then hold in place.
   4. Pull lever clockwise using EN-50837  retention tool until the hole in the lever aligns with the hole in the tensioner assembly. Push the point of EN-50837  retention tool through the lever and into the tensioner assembly.
6. Remove the timing chain tensioner pivot arm bolt (1).
   Fig 3: Timing Chain Tensioner Pivot Arm Bolt

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7. Remove the timing chain tensioner pivot arm (2).
8. Remove the timing chain guide bolts (1).
   Fig 4: Timing Chain Guide Bolts

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9. Remove the timing chain guide (2).
10. Remove the timing chain (1).
    Fig 5: Timing Chain

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11. Remove the timing chain oil nozzle (1).
    Fig 6: Timing Chain Oil Nozzle

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