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
View related parts
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 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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