How to service the heater core on Chevrolet Avalanche 2500?

The service of heater core begins with removing the heater/vent assembly. Begin by removing the heater core cover screws before taking out the heater core and heater core cover one after another. Install the new heater core by setting it into correct position before putting back the heater core cover. When installing the heater core cover screws users must follow the Fastener Notice in Service Precautions before securing them to 1.6 Nm (14 lb in). Finally, reinstall the heater/vent module.

OEM Chevrolet Avalanche 2500 Heater Core

HVAC Heater Core

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Chevrolet Avalanche 2500 Heater Core Part Number: 89018297
$158.42 MSRP: $325.56
You Save: $167.14 (52%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Core, Heater Core; HVAC Heater Core
- Replaces: 52473326, 52473322
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002-2006 Chevrolet Avalanche 2500 | Base, LS, LT | 8 Cyl 8.1 L GAS
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Chevrolet Avalanche 2500 Heater Core Part Number: 19258989
$148.98 MSRP: $278.00
You Save: $129.02 (47%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Core, Heater Core
- Replaces: 88986627
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2006 Chevrolet Avalanche 2500 | Base, LS, LT | 8 Cyl 8.1 L GAS

Chevrolet Avalanche 2500 Heater Core

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Chevrolet Avalanche 2500 Heater Core Parts Questions & Experts Answers

Heater Core
89018297
Q: How to service the heater core on Chevrolet Avalanche 2500?
A:
The service of heater core begins with removing the heater/vent assembly. Begin by removing the heater core cover screws before taking out the heater core and heater core cover one after another. Install the new heater core by setting it into correct position before putting back the heater core cover. When installing the heater core cover screws users must follow the Fastener Notice in Service Precautions before securing them to 1.6 Nm (14 lb in). Finally, reinstall the heater/vent module.