How to Change the Air Filter on 2003 Cadillac CTS?

In order to change a filter in the air purifier, unscrew the screws on the top of the unit and disassemble the halves. Move the old filter out, wash the bottom and top and insert the new filter. Assemble the halves once more, and screw them, according to the Fastener Notice in Service Precautions.

OEM 2003 Cadillac CTS Air Filter

Air Cleaner

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2003 Cadillac CTS Air Filter Part Number: 25798270
$22.80 MSRP: $40.74
You Save: $17.94 (45%)
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Product Specifications
- Other Name: Element, Air Cleaner; Element; Element, Air Cleaner Intake
- Replaces: 25728874
- Item Weight: 0.90 Pounds
- Item Dimensions: 14.6 x 11.9 x 1.8 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 25798270
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 Cadillac CTS Submodels:
- Base, Luxury, Luxury Sport | 6 Cyl 2.8 L GAS, 6 Cyl 3.2 L GAS, 6 Cyl 3.6 L GAS

2003 Cadillac CTS Air Filter

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2003 Cadillac CTS Air Filter Parts and Q&A

Q: How to Change the Air Filter on 2003 Cadillac CTS?
A: In order to change a filter in the air purifier, unscrew the screws on the top of the unit and disassemble the halves. Move the old filter out, wash the bottom and top and insert the new filter. Assemble the halves once more, and screw them, according to the Fastener Notice in Service Precautions.