Tools Required
J 38185 Hose Clamp Pliers
Removal Procedure
- Remove the air cleaner. Refer to
Air Cleaner Assembly Replacement
in Engine Controls - 4.3L.
- Drain the engine coolant. Refer to
Cooling System Draining and Filling
in Engine Cooling.
- Remove the coolant recovery reservoir. Refer to
Coolant Recovery Reservoir Replacement
in Engine Cooling.
- Remove the heater hose support clamp bolt (5).
- Using the J 38185
,
reposition the inlet heater hose clamp from the heater core.
- Remove the inlet heater hose (2) from the heater core.
- Using the J 38185
,
reposition the inlet heater hose clamp from the water valve.
- Remove the inlet heater hose (2) from the water bypass valve.
Installation Procedure
- Install the inlet heater hose (2) to the
water bypass valve.
- Using the J 38185
,
reposition the inlet heater hose clamp to the water bypass valve.
- Install the inlet heater hose (2) to the heater core.
- Using the J 38185
,
reposition the inlet heater hose clamp to the heater core.
- Install the heater hose support clamp to the heater core.
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 hose support clamp bolt (5).
Tighten
Tighten the bolt to 4 N·m (35 lb in).
- Install the coolant recovery reservoir. Refer to
Coolant Recovery Reservoir Replacement
in Engine Cooling.
- Fill the cooling system. Refer to
Cooling System Draining and Filling
in Engine Cooling.
- Install the air cleaner. Refer to
Air Cleaner Assembly Replacement
in Engine Controls - 4.3L.