How to properly service and replace the PCV Valve on 2004 Chevrolet Impala?

To change Positive Crankcase Ventilation (PCV) Valve, you need to take off the fuel injector sight shield, deconnect the connector of the MAP sensor and remove the sensor. With access cover position, press the access cover downwards and rotate it counterclockwise and then remove. Disassemble PCV valve and O-ring, substitute with the new ones and assemble it.

OEM 2004 Chevrolet Impala PCV Valve

Position Crank Ventilation Valve

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1 PCV Valve found

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2004 Chevrolet Impala PCV Valve Part Number: 25043843
Product Specifications
- Other Name: Valve, PCV; Crankcase Vent Valve; Crankcase; Valve, Engine Crankcase
- Item Weight: 1.00 Pounds
- Item Dimensions: 3.1 x 1.4 x 1.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 25043843
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2004 Chevrolet Impala Submodels:
- Base, LS, LS Sport, SS | 6 Cyl 3.4 L GAS, 6 Cyl 3.8 L GAS

2004 Chevrolet Impala PCV Valve

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2004 Chevrolet Impala PCV Valve Parts and Q&A

Q: How to properly service and replace the PCV Valve on 2004 Chevrolet Impala?
A: To change Positive Crankcase Ventilation (PCV) Valve, you need to take off the fuel injector sight shield, deconnect the connector of the MAP sensor and remove the sensor. With access cover position, press the access cover downwards and rotate it counterclockwise and then remove. Disassemble PCV valve and O-ring, substitute with the new ones and assemble it.