How to replace the heater core in the auxiliary HVAC module on Chevrolet Suburban 1500?

The beginning of heater core replacement needs users to extract the auxiliary HVAC module from its vehicle position while also removing the air temperature actuator from within the module. Begin by removing the metal stud at the underside of the auxiliary HVAC module by its position between heater core inlet and outlet pipes. Then safely detach the heater core pipe gasket from module case followed by removing its heater core pipe retainer. Finish the installation by taking out the lower cover of the auxiliary HVAC module followed by the heater core clamp before removing the heater core from the auxiliary HVAC module. The heater core installation process starts by placing the core into the auxiliary HVAC module before screwing on the cover clamp. Begin with reinstallation of the auxiliary HVAC module lower cover followed by installation of the heater core pipe retainer along with the gasket. We must first secure the stud which connects heater core inlets and outlets on the lower part of the rear HVAC module then reattach the air temperature actuator before putting back the auxiliary HVAC module assembly into the vehicle.

OEM Chevrolet Suburban 1500 Heater Core

HVAC Heater Core

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Chevrolet Suburban 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:
- 2000-2014 Chevrolet Suburban 1500 | Base, LS, LT, LTZ, Z71 | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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Chevrolet Suburban 1500 Heater Core Part Number: 52478848
$62.91 MSRP: $113.86
You Save: $50.95 (45%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Core Assembly, Auxiliary Heater; Core, Heater Core
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2000-2006 Chevrolet Suburban 1500 | Base, LS, LT, LTZ, Z71 | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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Chevrolet Suburban 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 Suburban 1500 | Base, LS, LT, LTZ, Z71 | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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Chevrolet Suburban 1500 Heater Core Part Number: 25882728
$72.12 MSRP: $148.22
You Save: $76.10 (52%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Core Assembly-Auxiliary Heater; Core, Heater Core
- Replaces: 15225891
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2014 Chevrolet Suburban 1500 | LS, LT, LTZ | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS

Chevrolet Suburban 1500 Heater Core

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Chevrolet Suburban 1500 Heater Core Parts Questions & Experts Answers

Heater Core
19258989
Q: How to replace the heater core in the auxiliary HVAC module on Chevrolet Suburban 1500?
A:
The beginning of heater core replacement needs users to extract the auxiliary HVAC module from its vehicle position while also removing the air temperature actuator from within the module. Begin by removing the metal stud at the underside of the auxiliary HVAC module by its position between heater core inlet and outlet pipes. Then safely detach the heater core pipe gasket from module case followed by removing its heater core pipe retainer. Finish the installation by taking out the lower cover of the auxiliary HVAC module followed by the heater core clamp before removing the heater core from the auxiliary HVAC module. The heater core installation process starts by placing the core into the auxiliary HVAC module before screwing on the cover clamp. Begin with reinstallation of the auxiliary HVAC module lower cover followed by installation of the heater core pipe retainer along with the gasket. We must first secure the stud which connects heater core inlets and outlets on the lower part of the rear HVAC module then reattach the air temperature actuator before putting back the auxiliary HVAC module assembly into the vehicle.