GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1829471  Size: SH
  1. Remove the hood. Refer to Hood Replacement .
  2. Remove the horn. Refer to Horn Replacement .
  3. Remove the charge air cooler inlet pipe bolt (3) at the rear bracket.

  4. Object Number: 1829690  Size: SH
  5. Remove the charge air cooler rear bracket nut (2) and bracket (1).

  6. Object Number: 1829471  Size: SH
  7. Remove the charge air cooler inlet pipe bolt (1) at the front bracket.
  8. Loosen the charge air cooler clamp (2) at the charge air cooler inlet pipe.
  9. Loosen the charge air cooler inlet pipe clamp (4) at the charge air cooler pipe.

  10. Object Number: 1829479  Size: SH
  11. Remove the charge air cooler inlet pipe.
  12. Remove any oil film from inside the pipes.

Installation Procedure


    Object Number: 1829479  Size: SH
  1. Install the charge air cooler inlet pipe to the charge air cooler pipe and the charge air cooler.
  2. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1829690  Size: SH
  3. Install the charge air cooler rear bracket (1) and nut (2).
  4. Tighten
    Tighten the nut to 9 N·m (80 lb in).


    Object Number: 1829471  Size: SH
  5. Install the charge air cooler inlet pipe bolt (3) at the rear bracket.
  6. Tighten
    Tighten the bolt to 7 N·m (62 lb in).

  7. Install the charge air cooler inlet pipe bolt (1) at the front bracket.
  8. Tighten
    Tighten the bolt to 7 N·m (62 lb in).

  9. Tighten the charge air cooler clamp (2) at the charge air cooler pipe.
  10. Tighten the charge air cooler inlet pipe clamp (4) at the charge air cooler pipe.
  11. Tighten
    Tighten the clamps to 5 N·m (44 lb in).

  12. Install the horn. Refer to Horn Replacement .
  13. Install the hood. Refer to Hood Replacement .