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Home >> GMC >> 2004 >> Sierra 1500 2WD V8-5.3L VIN T >> Repair and Diagnosis >> Heating and Air Conditioning >> Heater Core >> Service and Repair >> Heater Core Replacement
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Heater Core Replacement

HEATER CORE REPLACEMENT (HEAT ONLY)

REMOVAL PROCEDURE
1. Remove the heater/vent module. Service and Repair
2. Remove the heater core cover screws.




3. Remove the heater core cover.




4. Remove the heater core.

INSTALLATION PROCEDURE




1. Install the heater core.




2. Install the heater core cover.

NOTE: Refer to Fastener Notice in Service Precautions.

3. Install heater core cover screws.

Tighten
Tighten the screws to 1.6 N.m (14 lb in).

4. Install the heater/vent module.
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