How to replace the auxiliary heater core on 2006 Buick Terraza?

You must start with removing the auxiliary HVAC module and after that secure the screw that clamps the auxiliary heater pipe and remove all auxiliary heater core mounting screws. The subsequent step requires breaking the connection between the auxiliary heater core and HVAC module assembly followed by extraction of the pipe seal and heater core mounting bracket from the auxiliary heater core. The first step for installation involves placing new auxiliary heater core seals followed by mounting the heater core bracket. New pipe seals must be installed on the auxiliary heater core prior to returning it to the HVAC module assembly. Install the auxiliary heater core and fasten it with mounting screws at 1.6 N.m (14 lb in) while tightening an auxiliary heater pipe clamp screw to 1.6 N.m (14 lb in). The installation of the auxiliary HVAC module must end with a proper reinstallation.

OEM 2006 Buick Terraza Heater Core

HVAC Heater Core

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2006 Buick Terraza Heater Core
Part Number: 10362445
$101.43 MSRP: $183.58
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Product Specifications
- Other Name: Heater, Heater; Heater, Auxiliary Heater; Heater, Heater Core
- Item Weight: 1.30 Pounds
- Item Dimensions: 8.3 x 8.2 x 18.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 10362445
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2006 Buick Terraza Submodels:
- CX, CXL | 6 Cyl 3.5 L GAS, 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS
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2006 Buick Terraza Heater Core
Part Number: 15925712
Product Specifications
- Other Name: Heater, Heater; HVAC Heater Core; Heater, Auxiliary Heater; Heater, Heater Core
- Replaces: 10364909
- Item Weight: 2.00 Pounds
- Item Dimensions: 18.0 x 13.3 x 9.7 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 15925712
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2006 Buick Terraza Submodels:
- CX, CXL | 6 Cyl 3.5 L GAS, 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS

2006 Buick Terraza Heater Core

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2006 Buick Terraza Parts Questions & Experts Answers

Q: How to replace the auxiliary heater core on 2006 Buick Terraza?
A: You must start with removing the auxiliary HVAC module and after that secure the screw that clamps the auxiliary heater pipe and remove all auxiliary heater core mounting screws. The subsequent step requires breaking the connection between the auxiliary heater core and HVAC module assembly followed by extraction of the pipe seal and heater core mounting bracket from the auxiliary heater core. The first step for installation involves placing new auxiliary heater core seals followed by mounting the heater core bracket. New pipe seals must be installed on the auxiliary heater core prior to returning it to the HVAC module assembly. Install the auxiliary heater core and fasten it with mounting screws at 1.6 N.m (14 lb in) while tightening an auxiliary heater pipe clamp screw to 1.6 N.m (14 lb in). The installation of the auxiliary HVAC module must end with a proper reinstallation.

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Alternate Year Models

2005 Buick Terraza Heater Core 2007 Buick Terraza Heater Core