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Secondary Timing Chain Tensioner Installation - Left Side

Secondary Timing Chain Tensioner Installation - Left Side



Special Tools

• EN 45027 Tensioner Tool

• EN 46112 Tensioner Retraction Pins


For equivalent regional tools, refer to Special Tools .


1. Ensure that the left secondary camshaft drive chain tensioner (2) is being installed.


2. Using the EN 45027 tool , reset the left secondary camshaft drive chain tensioner plunger.


3. Install the plunger into the left secondary camshaft drive chain tensioner body.


4. Compress the plunger into the body and lock the left secondary camshaft drive chain tensioner by inserting the EN-46112 pins into the access hole in the side of the left secondary camshaft drive chain tensioner body.


5. Slowly release pressure on the left secondary camshaft drive chain tensioner. The left secondary camshaft drive chain tensioner should remain compressed.

6. Install a NEW left secondary camshaft drive chain tensioner gasket to the left secondary camshaft drive chain tensioner.


7. Install the left secondary camshaft drive chain tensioner bolts through the left secondary camshaft drive chain tensioner and gasket.

8. Ensure the left secondary camshaft drive chain tensioner mounting surface on the left cylinder head does not have any burrs or defects that would degrade the sealing of the NEW left secondary camshaft drive chain tensioner gasket.

9. Place the left secondary camshaft drive chain tensioner into position and loosely install the bolts to the block.


10. Refer to Fastener Caution .

Verify the proper placement of the left secondary camshaft drive chain tensioner gasket tab (1).


10.1. First Pass

Tighten the left secondary camshaft drive chain tensioner bolts to 5 Nm (44 lb in) .

10.2. Final Pass

Tighten the left secondary camshaft drive chain tensioner bolts to 25 Nm (18 lb ft) .

11. Release the left secondary camshaft drive chain tensioner by pulling out the EN 46112 pins and unlocking the tensioner plunger.


12. Verify the left secondary camshaft drive chain timing mark alignments by referring to Timing Chain Alignment Diagram - Stage One.