GM Service Manual Online
For 1990-2009 cars only

    Object Number: 1608908  Size: SH
  1. Loosen thermal bypass hose clamp (3) and remove hose from the coolant crossover pipe.
  2. Remove the heater inlet/outlet pipe bolt (1) and remove the heater inlet/outlet pipe.
  3. Remove the coolant vent pipe bolt (2) and the coolant vent pipe.

  4. Object Number: 1608911  Size: SH
  5. Remove the idler pulley bolts and pulleys (1, 2).

  6. Object Number: 1608913  Size: SH
  7. Remove the coolant crossover pipe bolts (2, 3), engine lift bracket (1), and the coolant crossover pipe assembly.