GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1608325  Size: SH
  1. Drain the cooling system. Refer to Cooling System Draining and Filling .
  2. Remove the engine mount strut. Refer to Engine Mount Strut Replacement .
  3. Remove the heater inlet and outlet hose clamp nuts from the throttle body studs.
  4. Reposition the heater inlet and outlet hose clamps at the pipes.
  5. Remove the heater inlet and outlet hoses from the engine pipes.
  6. Remove the heater inlet and outlet hose clamp from the throttle body studs.
  7. Reposition the inlet and outlet hoses.

  8. Object Number: 1607941  Size: SH
  9. Remove the engine mount strut bracket to cylinder head bolts.
  10. Remove the engine mount strut bracket.

Installation Procedure


    Object Number: 1607941  Size: SH
  1. Position the engine mount strut bracket to the cylinder head.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the engine mount strut bracket to cylinder head bolts.
  4. Tighten
    Tighten the bolts to 50 N·m (37 lb ft).


    Object Number: 1608325  Size: SH
  5. Position and install the heater inlet and outlet hoses to the engine pipes.
  6. Install the heater inlet and outlet hose clamp to the throttle body studs.
  7. Position the heater inlet and outlet hose clamps at the pipes.
  8. Install the heater inlet and outlet hose clamp nuts to the throttle body studs.
  9. Tighten
    Tighten the nuts to 10 N·m (89 lb ft).

  10. Install the engine mount strut. Refer to Engine Mount Strut Replacement .
  11. Fill the cooling system. Refer to Cooling System Draining and Filling .