Tools Required
J 38185
Hose Clamp Pliers
Removal Procedure
- Drain the engine cooling system. Refer to
Cooling System Draining and Filling
.
- Using the
J 38185
, reposition the heater hose inlet clamp from the heater pipe outlet.
- Remove the heater hose inlet from the heater pipe outlet.
- Loosen the heater pipe outlet.
- Remove the heater pipe outlet.
Installation Procedure
- Apply sealant GM P/N 12346004 (Canadian P/N 10953480) or equivalent to the heater
outlet hose fitting threads.
Notice: Use the correct fastener in the correct location. Replacement fasteners
must be the correct part number for that application. Fasteners requiring
replacement or fasteners requiring the use of thread locking compound or sealant
are identified in the service procedure. Do not use paints, lubricants, or
corrosion inhibitors on fasteners or fastener joint surfaces unless specified.
These coatings affect fastener torque and joint clamping force and may damage
the fastener. Use the correct tightening sequence and specifications when
installing fasteners in order to avoid damage to parts and systems.
- Install the heater outlet hose fitting.
Tighten
Tighten the heater outlet hose fitting to 45 N·m (33 lb ft).
- Install the heater hose inlet to the heater pipe outlet.
- Using the
J 38185
, reposition the heater hose inlet clamp to the heater pipe outlet.
- Fill the engine cooling system. Refer to
Cooling System Draining and Filling
.