How to remove the front and rear heater cores in Chevrolet Avalanche,Silverado,Suburban,Tahoe,GMC Sierra,Yukon,Yukon Denali and Yukon XL?

To remove the front heater core, the air conditioning system must be discharged and the battery cable disconnected. Drain the cooling system and detach the air conditioning lines from the evaporator core fittings at the firewall. The heater hoses should be disconnected from the firewall, and the engine cover, battery, and accumulator removed.

Genuine Chevrolet Avalanche Heater Core

HVAC Heater Core

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2 Heater Cores found

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Chevrolet Avalanche Core Asm,Heater
Part Number: 89018297
$147.93 MSRP: $310.78
You Save: $162.85 (53%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: CORE, Heater Core; Heater Core
- Replaces: 52473326, 52473322
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002-2013 Chevrolet Avalanche | 1/2 TON, 3/4 TON | 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L, 8 Cyl 8.1L
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Chevrolet Avalanche Core Asm,Heater
Part Number: 19258989
$147.34 MSRP: $278.00
You Save: $130.66 (47%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: CORE, Heater Core; Heater Core
- Replaces: 88986627
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2006 Chevrolet Avalanche | 1/2 TON, 3/4 TON | 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 8.1L

Chevrolet Avalanche Heater Core

The Heater Core in Chevrolet Avalanche vehicles has a significant function of making the cabin warm utilizing unnecessary engine heat. Looking somewhat like a miniature radiator, the core is cooled by a mixture of water and antifreeze; hot coolant drawn from the engine flows through the unit in order to heat the cabin air. Some basic heater cores may have temperature control elements such as valves or doors the complex ones having electromechanical actuators to control the temperature. In air-conditioned vehicles, the heater core also helps in the dehumidifying process since it re-heats the cooled air. They are prone to clogging, leaking and corrosion whereby in the process of repairing them the dashboard has to be taken out almost completely.

Each OEM Chevrolet Avalanche Heater Core we offer is competitively priced and comes with the assurance of the manufacturer's warranty for the part. Furthermore, we guarantee the speedy delivery of your orders right to your doorstep. Our hassle-free return policy is also in place for your peace of mind.

Chevrolet Avalanche Heater Core Parts Questions & Experts Answers

Core Asm,Heater
89018297
Q: How to remove the front and rear heater cores in Chevrolet Avalanche,Silverado,Suburban,Tahoe,GMC Sierra,Yukon,Yukon Denali and Yukon XL?
A: To remove the front heater core, the air conditioning system must be discharged and the battery cable disconnected. Drain the cooling system and detach the air conditioning lines from the evaporator core fittings at the firewall. The heater hoses should be disconnected from the firewall, and the engine cover, battery, and accumulator removed.

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