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Home >> Cadillac >> 2004 >> CTS Base, 3.6 7 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Engine Mechanical - 3.2L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Camshaft Replacement - Left >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Identifying Camshaft
    GM769034Courtesy of GENERAL MOTORS CORP.
  1. Choose the correct camshaft to be installed.

    Camshaft Identification

    • 2.6L (LY9)
      • The intake camshaft is stamped with the letter "F" next to bearing 1.
      • The exhaust camshaft is stamped with the letter "N" next to bearing 1.
    • 3.2L (LA3)
      • The intake camshaft is stamped with the letter "G" next to bearing 1.
      • The exhaust camshaft is stamped with the letter "J" next to bearing 1.
  2. Lubricate the following with GM P/N 1052367 (Canadian P/N 992869), or equivalent:
    • Camshaft bearing surfaces
    • Camshaft lobes
    3. IMPORTANT: Ensure the pin on the exhaust camshaft is approximately in the 1 o'clock position and/or that the pin on the intake camshaft is approximately in the 8 o'clock position to allow for minimal load on the camshaft when installing the bearing caps.
  3. Install the camshafts to the cylinder head.
    4. Fig 2: Applying Sealant Between Bearing Cap & Cylinder Head
    GM797559Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: DO NOT allow the sealer to get into the oil journal of the cap.
  4. Apply a small amount of GM P/N 1052942 (Canadian P/N 10953466), or equivalent on the forward edge of the front bearing caps to ensure an adequate seal between the bearing cap and the cylinder head.
    5. Fig 3: Identifying Code Marks On Camshaft Bearing Caps
    GM769022Courtesy of GENERAL MOTORS CORP.
  5. Install the camshaft bearing caps according to the identification marks.
    6. Fig 4: Identifying Camshaft Bearing Cap Bolt Tightening Sequence
    GM769026Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  6. Install the camshaft bearing cap bolts.

    Tighten: 

    1. Alternately hand tighten the camshaft bearing cap bolts in sequence a few turns at a time until all caps are fully seated.
    2. Tighten the camshaft bearing cap bolts in sequence to 8 N.m (71 lb in).

  7. Coat the lip of the camshaft seal with a small amount of clean engine oil to aid in installation.
  8. Use the J 35268-A  to tap the camshaft seal into place. See Special Tools and Equipment .

    Ensure the camshaft seal is fully and evenly seated.

  9. Install the left camshaft drive sprockets. Refer to Camshaft Drive Sprocket Replacement .
  10. Install the left camshaft cover. Refer to Camshaft Cover Replacement - Left .
    11. Fig 5: Identifying Coolant Heater Ground Lead & Camshaft Bearing Cap
    GM785739Courtesy of GENERAL MOTORS CORP.
  11. If equipped with RPO code KA3, install the bolt (1) securing the coolant heater ground lead (2) to the camshaft bearing cap (3).

    Tighten:  Tighten the coolant heater ground lead bolt to 9 N.m (80 lb in).

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