GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 35268-A Camshaft/Front Main Seal Installer


    Object Number: 769034  Size: SH
  1. Choose the correct camshaft to be installed.
  2. 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.
  3. Lubricate the camshaft bearing surfaces with GM P/N 1052367 (Canadian P/N 992869) or equivalent.
  4. Apply engine assembly lubricant GM P/N 1052942 (Canadian P/N 992869) to the camshaft lobes.
  5. 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.

  6. Install the camshafts.

  7. Object Number: 797559  Size: SH
  8. 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 cylinder head.

  9. Object Number: 769022  Size: SH
  10. Install the camshaft bearing caps in their appropriate position.
  11. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 769026  Size: SH
  12. Install the camshaft bearing cap bolts and tighten using tightening sequence.
  13. Tighten
    Tighten the camshaft bearing cap bolts to 8 N·m (71 lb in).

  14. Coat the lip of the camshaft seals with a small amount of clean engine oil to aid in installation.
  15. Use the J 35268-A to tap the camshaft seals into place. Ensure the camshaft seals are fully seated.