How to replace the heater core in a Visteon system on Chevrolet Avalanche 1500?

Replacing the heater core in Visteon requires beginning with HVAC module assembly removal. Starting with the heater core cover you should detach its screws before extracting the cover away from the HVAC module assembly . The technician needs to detach the heater core cowl gasket from the heater core before extracting the heater core from the HVAC module assembly. The heater core insertion into the HVAC module assembly should be the first installation step followed by heater core cowl gasket installation and heater core cover installation onto HVAC module assembly. Fasten the heater core cover by using the screws while applying 2 Nm (18 lb in) torque and reattach the HVAC module assembly.

OEM Chevrolet Avalanche 1500 Heater Core

HVAC Heater Core

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Chevrolet Avalanche 1500 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 1500 | Base, LS, LT, North Face, On Road Edition, WBH, Z66, Z71 | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
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Chevrolet Avalanche 1500 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 1500 | Base, LS, LT, North Face, On Road Edition, WBH, Z66, Z71 | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS

Chevrolet Avalanche 1500 Heater Core

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Chevrolet Avalanche 1500 Heater Core Parts and Q&A

Heater Core
89018297
Q: How to replace the heater core in a Visteon system on Chevrolet Avalanche 1500?
A:
Replacing the heater core in Visteon requires beginning with HVAC module assembly removal. Starting with the heater core cover you should detach its screws before extracting the cover away from the HVAC module assembly . The technician needs to detach the heater core cowl gasket from the heater core before extracting the heater core from the HVAC module assembly. The heater core insertion into the HVAC module assembly should be the first installation step followed by heater core cowl gasket installation and heater core cover installation onto HVAC module assembly. Fasten the heater core cover by using the screws while applying 2 Nm (18 lb in) torque and reattach the HVAC module assembly.