How to replace the Heater Core on Cadillac STS?

Removing the hvac module must be the first step toward Heater Core replacement. The first step involves removing the heater hose bracket screw before taking away the heater hose bracket . Withdraw the Heater Core from the hvac module space. The installation process requires the new Heater Core to be inserted into the hvac module after attaching the heater hose bracket. The heater hose bracket screw needs to be installed while applying 1 nm (9 lb in) torque. Finally, reinstall the hvac module.

OEM Cadillac STS Heater Core

HVAC Heater Core

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Cadillac STS Heater Core Part Number: 89022548
$73.91 MSRP: $133.78
You Save: $59.87 (45%)
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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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The Cadillac STS Heater Core can also be counted among the Cadillac Brand extending a sign of trust and lucrative performance. Located in the path of air blown by the heating fan, the Heater Core effectively warms the cabin by heating the air to the degree necessary when a mix of water and antifreeze flows through it- circulating from the engine to the vehicle interior. Usually build of aluminum or brass the Cadillac STS Heater Core integrates fins which facilitate heat exchange to make the driving experience more comfortable. Hence, its applicability to different Cadillac STS models is evident, which makes it extremely valuable for inclusion into the vehicle's climate control parcel. Another part of the YF layout has a fairly important function of improving the efficiency and safety of the car- Heater Core, which prevents fluctuations in cabin temperature, which affects the Driver's level of fatigue. Some of the Cadillac STS Heater Core which are not found in other cars are the valves for the regulation of coolant flow and the electromechanical actuators to control climate. Also, the two zones of climate control serve an appropriate purpose of enhancing comfort felt by the driver as well as the passenger, all in all raising the luxury status of the Cadillac STS. However, one might experience common problems such as blockage or leakage but touching on the design and engineering of the Heater Core, it deserve an applause for Cadillac STS due to its reputation of high standards.

Cadillac STS Heater Core Parts and Q&A

Heater Core
89022548
Q: How to replace the Heater Core on Cadillac STS?
A:
Removing the hvac module must be the first step toward Heater Core replacement. The first step involves removing the heater hose bracket screw before taking away the heater hose bracket . Withdraw the Heater Core from the hvac module space. The installation process requires the new Heater Core to be inserted into the hvac module after attaching the heater hose bracket. The heater hose bracket screw needs to be installed while applying 1 nm (9 lb in) torque. Finally, reinstall the hvac module.