GM Service Manual Online
For 1990-2009 cars only

    Object Number: 1657348  Size: SH
  1. Install the heater inlet pipe.
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the heater inlet pipe bolt. Tighten the heater inlet pipe bolt to 10 N·m (89 lb in).