GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Drain the Coolant. Refer to Cooling System Draining and Filling.

  2. Object Number: 1986992  Size: SH
  3. Remove the band clip.

  4. Object Number: 1986973  Size: SH
  5. Remove the hose (5) from the EGR cooler water return pipe.
  6. Remove the EGR cooler water return pipe clip (6) I bolt.
  7. Remove the EGR cooler water return pipe bolt (9) and remove the EGR cooler water return pipe (7).

Installation Procedure


    Object Number: 1986973  Size: SH
  1. Position the EGR cooler water return pipe (7) into the clip (6).
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Align the EGR cooler water return pipe (7) and install the EGR cooler water return pipe bolt.
  4. Tighten

        • Tighten the EGR cooler water return pipe bolt (9) to 25 N·m (18 lb  ft).
        • Tighten the I bolt to 9 N·m (80 lb in).
  5. Install the EGR cooler water pipe to EGR cooler hose (5).

  6. Object Number: 1986992  Size: SH
  7. Install the band clip.
  8. Drain the Coolant. Refer to Cooling System Draining and Filling.
  9. Check for coolant system leaks.