How to replace the heater core-auxiliary on GMC Envoy?

The repair of the heater core-auxiliary begins with HVAC module-auxiliary removal. Begin by removing two screws from the heater core cover-auxiliary before procuring the cover part itself. Next follow step by step procedures to divide and remove the heater core-auxiliary from its position inside the HVAC module-auxiliary. Follow these steps when installing the heater core-auxiliary: first return it into the HVAC module-auxiliary and then secure the HVAC module pass thru seal-auxiliary. Secure the heater core access cover-auxiliary to the HVAC module-auxiliary by installing screws that should be tightened up to 2 N.m (18 lb in). As a final step replace the rear HVAC module-auxiliary.

OEM GMC Envoy Heater Core

HVAC Heater Core

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GMC Envoy Heater Core
Part Number: 88892978
$51.74 MSRP: $92.39
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Product Specifications
- Other Name: Core, Heater Core; Auxiliary Heater Core
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002-2005 GMC Envoy | Denali, SLE, SLT | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
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GMC Envoy Heater Core
Part Number: 52498633
Product Specifications
- Other Name: Core, Heater; HVAC Heater Core; Core, Heater Core
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2009 GMC Envoy | Denali, SLE, SLT | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
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GMC Envoy Heater Core
Part Number: 89023339
Product Specifications
- Other Name: Core, Heater Core; Auxiliary Heater Core
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2007 GMC Envoy | Denali, SLE, SLT | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
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GMC Envoy Heater Core
Part Number: 52495721
Product Specifications
- Other Name: Core, Heater Core
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002 GMC Envoy | SLE, SLT | 6 Cyl 4.2 L GAS

GMC Envoy Heater Core

Our website offers an extensive catalog of genuine GMC Envoy Heater Core at unbeatable prices. Every OEM GMC Envoy Heater Core comes with a manufacturer's warranty, an easy return policy, and rapid delivery service. Don't miss out on this great opportunity!

GMC Envoy Heater Core Parts Questions & Experts Answers

Heater Core
88892978
Q: How to replace the heater core-auxiliary on GMC Envoy?
A: The repair of the heater core-auxiliary begins with HVAC module-auxiliary removal. Begin by removing two screws from the heater core cover-auxiliary before procuring the cover part itself. Next follow step by step procedures to divide and remove the heater core-auxiliary from its position inside the HVAC module-auxiliary. Follow these steps when installing the heater core-auxiliary: first return it into the HVAC module-auxiliary and then secure the HVAC module pass thru seal-auxiliary. Secure the heater core access cover-auxiliary to the HVAC module-auxiliary by installing screws that should be tightened up to 2 N.m (18 lb in). As a final step replace the rear HVAC module-auxiliary.

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