GM Service Manual Online
For 1990-2009 cars only

    Object Number: 66572  Size: SH
  1. Remove the nut holding the fuel air bleed (shreader) valve.
  2. Remove the engine coolant temperature (ECT) sensor.
  3. Remove the clamps from the bypass hose.
  4. Remove the bolts from the coolant crossover.
  5. Remove the coolant crossover.
  6. Remove the bypass hose.
  7. Remove the gaskets.