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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 - Left Exhaust >> 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 left secondary camshaft timing components in the following order:
    1. 1.1. Align the intake sprocket drive pin (4) with the single darkened link (3).
    2. 1.2. Align the exhaust sprocket drive pin (1) between the two darkened links (2).
    3. 1.3. Slide the exhaust camshaft sprocket onto the camshaft aligning the drive pin into the camshaft notch.
    Fig 1: Identifying Left Secondary Camshaft Timing Components Position
    G01816782Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to FASTENER NOTICE in Cautions and Notices.
  2. Install the exhaust camshaft sprocket bolt.

    Tighten 

    1. 2.1. Tighten the camshaft sprocket bolt to 25 N.m (18 lb ft).
    2. 2.2. Use the J 36660-A  in order to tighten the camshaft sprocket bolt an additional 45 degrees.
    Fig 2: Installing Exhaust Camshaft Sprocket Bolt
    G01816783Courtesy of GENERAL MOTORS CORP.
  3. Remove the locking wire (2) from the left secondary drive chain tensioner (1) allowing the tensioner shoes to expand and apply pressure to the drive chain.
    Fig 3: Removing Locking Wire From Left Secondary Drive Chain Tensioner
    G01816784Courtesy of GENERAL MOTORS CORP.
  4. Remove the J 42038  from the left camshafts.
  5. Install the left camshaft cover. Refer to Camshaft Cover Replacement - Left .
    Fig 4: Removing J 42038
    G01816785Courtesy of GENERAL MOTORS CORP.
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