How to replace the Heater Core on 2004 Cadillac CTS?

The first step to exchange a Heater Core requires removing the hvac module from position. You should begin by unscrewing the heater hose bracket screw and after that remove the heater hose bracket. Sliding out the Heater Core from the hvac module takes place next. The new Heater Core requires placement into the hvac module followed by heater hose bracket installment. Install the heater hose bracket screw in compliance with the fastener notice in service precautions while tightening to 1 n.m (9 lb in). Finally, reinstall the hvac module.

OEM 2004 Cadillac CTS Heater Core

HVAC Heater Core

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2004 Cadillac CTS Heater Core
Part Number: 25740392
Product Specifications
- Other Name: Core, Heater; Core, Heater Core
- Item Weight: 3.50 Pounds
- Item Dimensions: 21.8 x 14.1 x 9.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 25740392
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2004 Cadillac CTS Submodels:
- Base, Luxury, Luxury Sport, V | 6 Cyl 2.8 L GAS, 6 Cyl 3.2 L GAS, 6 Cyl 3.6 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.0 L GAS

2004 Cadillac CTS Heater Core

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2004 Cadillac CTS Parts Questions & Experts Answers

Q: How to replace the Heater Core on 2004 Cadillac CTS?
A: The first step to exchange a Heater Core requires removing the hvac module from position. You should begin by unscrewing the heater hose bracket screw and after that remove the heater hose bracket. Sliding out the Heater Core from the hvac module takes place next. The new Heater Core requires placement into the hvac module followed by heater hose bracket installment. Install the heater hose bracket screw in compliance with the fastener notice in service precautions while tightening to 1 n.m (9 lb in). Finally, reinstall the hvac module.

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Alternate Year Models

2003 Cadillac CTS Heater Core 2005 Cadillac CTS Heater Core