GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Malibu 🢒 Engine 🢒 Engine Mechanical - 2.4L 🢒 Intake Camshaft, Bearing Cap, and Lash Adjuster Installation

    Object Number: 1404027 Size: SH
  1. Install the hydraulic lash adjusters into their bores in the cylinder head.
  2. Lubricate the hydraulic lash adjusters with GM P/N 12345501 (Canadian P/N 992704) or equivalent.

    3. Object Number: 1403895 Size: SH
  3. Lubricate the valve tips.

    4. Object Number: 1403946 Size: SH

    Important: Used roller followers must be returned to the original position on the camshaft. If the camshaft is being replaced, the roller followers actuated by the camshaft must also be replaced.

  4. Position the roller followers on the tip of the valve stem and on the lash adjuster. Lubricate roller followers with GM P/N 12345501 (Canadian P/N 992704) or equivalent.

    5. Object Number: 1825076 Size: SH
  5. When installing the camshafts, ensure the intake camshaft notch is in the 5 o'clock position (2) and the exhaust camshaft notch is in the 7 o'clock position (1). The number 1 piston should be at top dead center (TDC), crankshaft key at 12 o'clock.

    6. Object Number: 1403944 Size: SH
  6. Set the intake camshaft on top of the roller followers in the camshaft bearing journals. Lubricate with GM P/N 12345501 (Canadian P/N 992704) or equivalent.
  7. Install the camshaft caps and hand start the camshaft cap bolts.

    8. Notice: Refer to Fastener Notice in the Preface section.

  8. Tighten the camshaft cap bolts in increments of 3 turns until they are seated.

    9. Tighten
    Tighten the camshaft caps to 10 N·m (89 lb in).