How to remove and install the air intake duct and air filter box on Cadillac CTS?

Remove the engine covers. For 3.2L V6 models, loosen the clamp at the Mass Air Flow (MAF) housing and remove the first end of the air intake duct. Remove the mounting fastener that secures the air duct/resonator to the fan shroud. Loosen the clamps at the air ducts and the throttle body and remove the air intake ducts from the throttle body. Lift the air intake duct/resonator up out of its mount, disconnect the vacuum lines and harness fasteners, then remove the duct. Installation is the reverse of removal. For all except 3.2L models, disconnect the PCV fresh air hose from the air intake duct. Loosen the clamps at the Air Filter Box and the throttle body and remove the air intake duct. On 5.7L and 6.0L engines, loosen the clamps at the Air Filter Box and the throttle body, then lift the duct up from the Air Filter Box side enough to disconnect the electrical connectors. Remove the duct. Installation is the reverse of removal. For the Air Filter Box, remove the air intake duct. Disconnect the electrical connector from the MAF sensor. Remove the Air Filter Box fastener(s) and maneuver the housing out from the body. Inspect the condition of the Air Filter Box mounting grommets. If they're cracked, torn or deteriorated, replace them. Installation is the reverse of removal.

Genuine Cadillac CTS Air Filter Box

Air Filter Housing

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Cadillac CTS Housing Assembly, Air Cleaner
Part Number: 22759095
$63.01 MSRP: $79.28
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Product Specifications
- Other Name: HOUSING, Air Cleaner To Carb/Throttle Body Mounting; Housing
- Replaces: 15215026
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2007 Cadillac CTS | 4 DOOR, 4 DOOR RHD, 4 DOOR(RHD), V 4 DOOR | 6 Cyl 2.8L, 6 Cyl 3.2L, 6 Cyl 3.6L
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Product Specifications
- Other Name: COVER, Air Cleaner Intake; Cover
- Replaces: 10397805
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2007 Cadillac CTS | 4 DOOR, 4 DOOR RHD, 4 DOOR(RHD), V 4 DOOR | 6 Cyl 2.8L, 6 Cyl 3.6L
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Cadillac CTS Cover Asm,Air Cleaner Housing
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- Other Name: COVER, Air Cleaner Intake
- Replaces: 89060655
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2004 Cadillac CTS | 4 DOOR, 4 DOOR RHD, 4 DOOR(RHD), V 4 DOOR | 6 Cyl 3.2L
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Cadillac CTS Housing Assembly, Air Cleaner
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Product Specifications
- Other Name: HOUSING, Air Cleaner To Carb/Throttle Body Mounting; Housing
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2007 Cadillac CTS | V 4 DOOR | 8 Cyl 5.7L, 8 Cyl 6.0L
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Cadillac CTS Air Cleaner Assembly
Part Number: 25774676
Product Specifications
- Other Name: CLEANER, Air Intake; Air Cleaner Assembly
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2009 Cadillac CTS | 4 DOOR, 4 DOOR RHD | 6 Cyl 3.6L
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Cadillac CTS Cover Asm,Air Cleaner Housing <Use 6M3 0057B>
Part Number: 19259789
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- Other Name: COVER, Air Cleaner Intake
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Fits the following Vehicles:
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- Other Name: COVER, Air Cleaner Intake; Cover
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2007 Cadillac CTS | V 4 DOOR | 8 Cyl 6.0L

Cadillac CTS Air Filter Box

The Cadillac CTS Air Filter Box is a barrier that seals the filter in for the engine while allowing only clean air to enter the combustion chambers. Near the intake snorkel is the CTS Air Filter Box that catches the incoming air, which is filled with dust, sand, leaves, and exhaust particles. It passes through a pleated paper element before it makes its way to the intake manifold where the fuel joins the air to make a combustible mixture. By trapping dirt before it can scour the pistons, the rings, and the cylinder walls, the Air Filter Box helps keep power strong and limits wear that would otherwise cause metal shavings to leak into the engine oil. The early generations applied a simple plastic two-piece Air Filter Box that latched together. Later CTS models featured a slightly larger molded housing with improved internal baffles, but the basic purpose remained unchanged. There is no requirement for tools to lift off the clip-on lid of the Air Filter Box, so periodic filter swaps remain quick. This simple design adheres to Cadillac's commitment to sophisticated performance, which Cadillac does with CTS to ensure any vehicle breathes easily and lasts longer.

Each OEM Cadillac CTS Air Filter Box we offer is competitively priced and comes with the assurance of the manufacturer's warranty for the part. Furthermore, we guarantee the speedy delivery of your orders right to your doorstep. Our hassle-free return policy is also in place for your peace of mind.

Cadillac CTS Air Filter Box Parts Questions & Experts Answers

Housing Assembly, Air Cleaner
22759095
Q: How to remove and install the air intake duct and air filter box on Cadillac CTS?
A:
Remove the engine covers. For 3.2L V6 models, loosen the clamp at the Mass Air Flow (MAF) housing and remove the first end of the air intake duct. Remove the mounting fastener that secures the air duct/resonator to the fan shroud. Loosen the clamps at the air ducts and the Throttle Body and remove the air intake ducts from the throttle body. Lift the air intake duct/resonator up out of its mount, disconnect the vacuum lines and harness fasteners, then remove the duct. Installation is the reverse of removal. For all except 3.2L models, disconnect the PCV fresh air hose from the air intake duct. Loosen the clamps at the Air Filter Box and the throttle body and remove the air intake duct. On 5.7L and 6.0L engines, loosen the clamps at the Air Filter Box and the throttle body, then lift the duct up from the Air Filter Box side enough to disconnect the electrical connectors. Remove the duct. Installation is the reverse of removal. For the Air Filter Box, remove the air intake duct. Disconnect the electrical connector from the MAF sensor. Remove the Air Filter Box fastener(s) and maneuver the housing out from the body. Inspect the condition of the Air Filter Box mounting grommets. If they're cracked, torn or deteriorated, replace them. Installation is the reverse of removal.