How to replace the Mass Air Flow Sensor on 2003 Cadillac CTS?

The replacement process begins by disconnecting the electrical connector from the maf/iat sensor and disconnecting the air intake duct hose that covers it. You must carefully extract the maf/iat sensor from the air cleaner assembly by loosening its 2 screws and afterwards handling it gently to shield both the air inlet screen and sensing parts from damage and avoid solvent or lubricant exposure. To install the maf/iat sensor you must place it within the air cleaner assembly with the connector terminal facing up before using the 2 screws to secure it together while tightening them to 2.25 n.m (20 lb in). First connect the electrical connector to the maf/iat sensor followed by attaching the air intake duct hose to the maf/iat sensor.

OEM 2003 Cadillac CTS Mass Air Flow Sensor

MAF Sensor Meter

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2003 Cadillac CTS Mass Air Flow Sensor
Part Number: 55353127
$212.56 MSRP: $399.18
You Save: $186.62 (47%)
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Product Specifications
- Other Name: Sensor, Computer Control Sensors; Air Mass Sensor
- Replaces: 55350433
- Item Weight: 1.20 Pounds
- Item Dimensions: 7.3 x 6.7 x 5.8 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 55353127
- 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 3.2 L GAS

2003 Cadillac CTS Mass Air Flow Sensor

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2003 Cadillac CTS Parts Questions & Experts Answers

Q: How to replace the Mass Air Flow Sensor on 2003 Cadillac CTS?
A: The replacement process begins by disconnecting the electrical connector from the maf/iat sensor and disconnecting the air intake duct hose that covers it. You must carefully extract the maf/iat sensor from the air cleaner assembly by loosening its 2 screws and afterwards handling it gently to shield both the air inlet screen and sensing parts from damage and avoid solvent or lubricant exposure. To install the maf/iat sensor you must place it within the air cleaner assembly with the connector terminal facing up before using the 2 screws to secure it together while tightening them to 2.25 n.m (20 lb in). First connect the electrical connector to the maf/iat sensor followed by attaching the air intake duct hose to the maf/iat sensor.

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2004 Cadillac CTS Mass Air Flow Sensor