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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 429 (Engine Mechanical - 1.8L (LNK)) >> Repair Instructions >> On-Vehicle Repair Instructions >> Camshaft Replacement - Intake >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the intake camshaft onto the cylinder head with the number 1 cam lobes facing as shown.

    Important:  Each bearing cap has a number and a directional arrow marked on the bearing cap.

  2. Install the camshaft bearing caps in their proper locations and direction.
    Fig 1: Installing Camshaft Bearing Caps
    G01546329Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to FASTENER NOTICE .
  3. Install the camshaft bearing cap bolts.

    Tighten 

    Tighten the camshaft bearing cap bolts in the sequence shown to 19 N.m (14 Ib. ft).

    Fig 2: Identifying Camshaft Bearing Cap Bolts Tightening Sequence
    G01546330Courtesy of GENERAL MOTORS CORP.
  4. Install the camshaft position actuator to the camshaft.
    Fig 3: Installing Camshaft Position Actuator
    G01546331Courtesy of GENERAL MOTORS CORP.
  5. Install the camshaft position actuator sprocket bolt in order to secure the cam sprocket.

    Tighten 

    Tighten the camshaft sprocket bolt to 54 N.m (40 Ib. ft).

  6. Install the timing chain. Refer to Timing Chain and Sprockets Replacement .
  7. Check and adjust valve clearance. Refer to Valve Lash Adjustment .