GM Service Manual Online
For 1990-2009 cars only

Coolant Bypass Hose Replacement 2.5L Engine

Removal Procedure

  1. Drain the engine coolant. Refer to Cooling System Draining and Filling .
  2. Remove the intake manifold. Refer to Intake Manifold Replacement in Engine Mechanical.

  3. Object Number: 724219  Size: SH
  4. Remove the lower left side bypass hose clamp (1) and hose (2).

  5. Object Number: 724221  Size: SH
  6. Remove the lower right side bypass hose clamp (1) and hose (2).

Installation Procedure


    Object Number: 724221  Size: SH
  1. Install a new lower right side bypass hose clamp (1) and hose (2).

  2. Object Number: 724219  Size: SH
  3. Install a new lower left side bypass hose clamp (1) and hose (2).
  4. Install the intake manifold. Refer to Intake Manifold Replacement in Engine Mechanical.
  5. Refill the engine coolant. Refer to Cooling System Draining and Filling .