How to Service and Repair the Heater Core on 2007 Cadillac XLR?

Removal of the heater core. To change the heater core, one has to take out the HVAC module and the foam seal. Remove the DTM sensor connectors and wiring. Open the heater cover by removing the heater cover screws and removing the heater cover. Install a new foam gasket on the new heater core, and reassemble the HVAC module.

OEM 2007 Cadillac XLR Heater Core

HVAC Heater Core

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2007 Cadillac XLR Heater Core Part Number: 89019028
$167.85 MSRP: $315.22
You Save: $147.37 (47%)
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Product Specifications
- Other Name: Core Kit, Heater Core
- Replaces: 89018262
- Item Weight: 2.30 Pounds
- Item Dimensions: 8.2 x 20.6 x 16.5 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 89019028
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2007 Cadillac XLR Submodels:
- Base, Platinum, V | 8 Cyl 4.4 L GAS, 8 Cyl 4.6 L GAS

2007 Cadillac XLR Heater Core

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2007 Cadillac XLR Heater Core Parts and Q&A

Q: How to Service and Repair the Heater Core on 2007 Cadillac XLR?
A: Removal of the heater core. To change the heater core, one has to take out the HVAC module and the foam seal. Remove the DTM sensor connectors and wiring. Open the heater cover by removing the heater cover screws and removing the heater cover. Install a new foam gasket on the new heater core, and reassemble the HVAC module.