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Home >> GMC >> 2016 >> Terrain SL, Gas >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 18 (Engine Mechanical - 3.6L (LFX) - Repair Instructions - Off Vehicle) >> Repair Instructions - Off Vehicle >> Camshaft Timing Chain Components Installation >> Secondary Camshaft Drive Chain Tensioner Installation - Left Side

Secondary Camshaft Drive Chain Tensioner Installation - Left Side

WARNING: This page is about a different variant/trim than selected.
Fig 1: Secondary Camshaft Drive Chain Tensioner And Components - Left Side
GM2901738Courtesy of GENERAL MOTORS COMPANY
Secondary Camshaft Drive Chain Tensioner Installation - Left Side

Callout Component Name
1 Left Secondary Timing Chain Tensioner Plunger.

Procedure

  1. Reset the left secondary camshaft drive chain tensioner plunger using EN-45027  tensioner tool.
  2. Install left secondary camshaft drive chain tensioner plunger into body.
  3. Compress the plunger into the body and lock the left secondary camshaft drive chain tensioner by inserting the EN-46112  tensioner retraction pins into the access hole in the side of the left secondary camshaft drive chain tensioner body.
  4. Slowly release pressure on the left secondary camshaft drive chain tensioner. The left secondary camshaft drive chain tensioner should remain compressed.

Special Tools

  • EN-45027  Tensioner Tool
  • EN-46112  Tensioner Retraction Pins

For equivalent regional tools, refer to Special Tools .
2 Left Timing Chain Housing Gasket
NOTE:

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.
3 Left Secondary Timing Chain Tensioner
4 Left Secondary Timing Chain Tensioner Bolt

Procedure

  1. Place the chain tensioner into position and loosely install the bolts to the block.
  2. Verify the proper placement of the drive chain tensioner gasket tab (5).
  3. Tighten the drive chain tensioner bolts in two passes.
  4. Verify the timing marks are in the correct position before releasing the drive chain tensioner.
  5. Release the drive chain tensioner by pulling out the EN-46112  tensioner retraction pins pin (6) and unlocking the tensioner plunger.
  6. Verify the left secondary camshaft drive chain timing mark alignments by referring to Timing Chain Alignment Diagram - Stage One.

Tighten 
  • First Pass 5 N.m (44 lb in)
  • Second Pass 25 N.m (18 lb ft)
5 Left Timing Chain Housing Gasket Tab
6 EN-46112  Pin
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