How to replace the Heater Core on Cadillac STS?

Replacing the Heater Core begins by taking away the hvac module from its position. The first step requires removing the heater hose bracket screw followed by removing the heater hose bracket itself. Pull the Heater Core section out from the hvac module. You can install the new Heater Core by inserting it into the hvac module followed by setting the heater hose bracket in position then tightening the heater hose bracket screw to 1 n.m (9 lb in) using the guidance in the fastener notice from service precautions. Finally, reinstall the hvac module.

OEM Cadillac STS Heater Core

HVAC Heater Core

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Cadillac STS Heater Core
Part Number: 89022548
$65.10 MSRP: $133.78
You Save: $68.68 (52%)
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Product Specifications
- Other Name: Core, Heater Core
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2011 Cadillac STS | Base, Platinum, V | 6 Cyl 3.6 L GAS, 8 Cyl 4.4 L GAS, 8 Cyl 4.6 L GAS

Cadillac STS Heater Core

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Cadillac STS Heater Core Parts Questions & Experts Answers

Heater Core
89022548
Q: How to replace the Heater Core on Cadillac STS?
A: Replacing the Heater Core begins by taking away the hvac module from its position. The first step requires removing the heater hose bracket screw followed by removing the heater hose bracket itself. Pull the Heater Core section out from the hvac module. You can install the new Heater Core by inserting it into the hvac module followed by setting the heater hose bracket in position then tightening the heater hose bracket screw to 1 n.m (9 lb in) using the guidance in the fastener notice from service precautions. Finally, reinstall the hvac module.

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