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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 406 (Engine Mechanical - 3.5L (On-Vehicle)) >> Repair Instructions >> Secondary Camshaft Timing Sprocket Replacement - Right Intake >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2002 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
  1. Position the right secondary camshaft timing components in the following order:
    1. 1.1. Align the intake sprocket drive pin (1) between the two darkened links (2).
    2. 1.2. Align the exhaust sprocket drive pin (4) with the single darkened link (3).
    3. 1.3. Slide the intake camshaft sprocket onto the camshaft aligning the drive pin into the camshaft notch.
  2. Position the primary camshaft drive chain to the intake sprocket.
    Fig 1: Identifying Right Secondary Camshaft Timing Components Position
    G01816801Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to FASTENER NOTICE in Cautions and Notices.
  3. Install the intake camshaft sprocket bolt.

    Tighten 

    1. 3.1. Tighten the camshaft sprocket bolt to 25 N.m (18 lb ft).
    2. 3.2. Use the J 36660-A  in order to tighten the camshaft sprocket bolt an additional 45 degrees.
    Fig 2: Installing Intake Camshaft Sprocket Bolt
    G01816802Courtesy of GENERAL MOTORS CORP.
  4. Remove the locking wire (2) from the right secondary drive chain tensioner (1) allowing the tensioner shoes to expand and apply pressure to the drive chain.
  5. Install the camshaft position sensor. Refer to CRANKSHAFT POSITION SENSOR in Engine Controls-3.5L.
  6. Install the primary camshaft drive chain tensioner. Refer to Primary Camshaft Drive Chain Tensioner Replacement .
    Fig 3: Removing Locking Wire From Right Secondary Drive Chain Tensioner
    G01816803Courtesy of GENERAL MOTORS CORP.
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