GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the camshaft carrier. Refer to Camshaft Carrier Replacement .
  2. Important: Keep the valve lifters in order so the lifters may be installed in the lifter's original position.


    Object Number: 57361  Size: SH
  3. Remove the six lifter hold-down hoses.
  4. Remove the valve lifters.

Installation Procedure


    Object Number: 57361  Size: SH
  1. Lubricate the lifters with Engine Oil Supplement (EOS) GM P/N 1052367 or equivalent.
  2. Install the valve lifters.
  3. Install the lifter hold-down hoses to the camshaft carrier.
  4. Install the camshaft carrier. Refer to Camshaft Carrier Replacement .