GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 TrailBlazer - 4WD 🢒 Engine 🢒 Engine Mechanical - 4.2L 🢒 Heater Outlet Hose Fitting Installation

    Object Number: 637611 Size: SH
  1. Apply sealant GM P/N 12346004 (Canadian P/N 10953480) or equivalent to the heater outlet hose fitting threads.

    2. Caution: Refer to Fastener Caution in the Preface section.

  2. Install the heater outlet hose fitting. Tighten the heater outlet hose fitting to 45 N·m (33 lb ft).