GM Service Manual Online
For 1990-2009 cars only

Tools Required

SA9102E-A Valve Seal Remover/Replacer


    Object Number: 905381  Size: SH
  1. Remove the intake and exhaust manifolds.
  2. 1.1. Remove the spark plugs.
    1.2. Remove the 9 intake and 7 exhaust manifold mounting nuts and stud.
    1.3. If the cylinder head studs come out, nuts should be removed from the studs, threads cleaned, and studs carefully installed.

    Tighten
    Tighten the studs to 13 N·m (115 lb in).


    Object Number: 870635  Size: SH
  3. Remove the hydraulic lifters. A magnet will easily pull the lifter out of its bore. Do not use pliers or a sharp object. keep the lifters in order.

  4. Object Number: 870646  Size: SH
  5. Remove the valves and stem seals.
  6.         Notice: Be careful not to damage valve stems during cap and retainer removal.

    3.1. Using the SA9124E , remove the valve spring cap retainers.
    3.2. Remove the caps, springs, and valves.

    Object Number: 870652  Size: SH

            Important: Arrange the disassembled caps, seals, springs, and valves in the correct order.

    3.3. Using the SA9102E-A , remove the valve stem oil seal.