Heater Core: Service and Repair
HEATER CORE REPLACEMENTTOOLS REQUIRED
J 37097-A Heater Hose Clamp Tool
REMOVAL PROCEDURE
1. Drain the cooling system.
2. Using the J 37097-A disconnect the heater hoses from the heater core.
3. Remove the auxiliary blower motor assembly.
4. Remove the heater core cover screws (1).
5. Remove the heater core retaining screws (1).
6. Remove the heater core retaining straps.
7. Remove the heater core.
8. Remove the heater core case seals.
INSTALLATION PROCEDURE
1. Install the heater core.
2. Install the heater core retaining straps.
3. Install the new heater core case seals.
NOTE: Refer to Fastener Notice in Service Precautions.
4. Install the heater core retaining screws (1).
Tighten
Tighten the screws (1) to 1.4 N.m (13 lb in).
5. Install the heater core cover screws (1).
Tighten
Tighten the screws (1) to 1.4 N.m (13 lb in).
6. Install the auxiliary blower motor assembly.
7. Using the J 37097-A connect the heater hoses to the heater core.
8. Fill the cooling system.