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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 >> Primary Camshaft Intermediate Drive Chain Tensioner Installation

Primary Camshaft Intermediate Drive Chain Tensioner Installation

WARNING: This page is about a different variant/trim than selected.
Fig 1: Primary Camshaft Intermediate Drive Chain Tensioner & Components
GM2901743Courtesy of GENERAL MOTORS COMPANY
Primary Camshaft Intermediate Drive Chain Tensioner Installation

Callout Component Name
1 Camshaft Intermediate Drive Chain Tensioner Plunger.

Procedure

  1. Reset the primary camshaft drive chain tensioner plunger using EN-45027  tensioner tool.
  2. Install primary camshaft drive chain tensioner plunger into body.
  3. Compress the plunger into the body and lock the primary camshaft drive chain tensioner by inserting the EN-46112  tensioner retraction pins into the access hole in the side of the primary camshaft drive chain tensioner body.
  4. Slowly release pressure on the primary camshaft drive chain tensioner. The primary 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 Timing Chain Housing Gasket
NOTE:

Ensure the primary camshaft drive chain tensioner mounting surface on the engine block does not have any burrs or defects that would degrade the sealing of the NEW primary camshaft drive chain tensioner gasket.
3 Camshaft Intermediate Drive Chain Tensioner
4 Camshaft Intermediate Drive Chain Tensioner Bolt

Procedure

  1. Place the drive 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  pin (6) and unlocking the tensioner plunger.
  6. Verify the primary and 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 Timing Chain Housing Gasket Tab
6 EN-46112  Pin
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