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2008 Chevrolet Impala Valve Cover

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2008 Chevrolet Impala
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Valves, Valve Covers & Valvetrain
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4 Products found

5 Q&A for Valve Cover Repair
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  • OEM 2008 Chevrolet Impala Valve Cover - 12622630
    OEM 2008 Chevrolet Impala Valve Cover Diagram - 12622630
    View Related Parts

    OEM (Genuine) 2008 Chevrolet Impala Valve Cover

    PartNumber: 12622630
    $90.16 MSRP: $143.18
    You Save: $53.02 (38%)
    Product Specifications
    • Notes: 5.3 Liter; Impala, Monte Carlo; Right
    • Location: Passenger Side
    • Other Names: Valve Cover
    • Item Dimensions: 22.6 x 6.0 x 6.0 inches
    • Item Weight: 3.00 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12580323
    • Part Description: 2008 Chevrolet Impala Valve Cover
    More Info
    Vehicle Fitment
    • 2008 Chevrolet Impala | SS | 8 Cyl 5.3 L GAS
  • OEM 2008 Chevrolet Impala Valve Cover - 12622631
    OEM 2008 Chevrolet Impala Valve Cover Diagram - 12622631
    View Related Parts

    OEM (Genuine) 2008 Chevrolet Impala Valve Cover

    PartNumber: 12622631
    $83.32 MSRP: $132.30
    You Save: $48.98 (38%)
    Product Specifications
    • Notes: 5.3 Liter; Impala, Monte Carlo; Left
    • Location: Driver Side
    • Other Names: Valve Cover
    • Item Dimensions: 20.3 x 5.3 x 3.7 inches
    • Item Weight: 3.90 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12590005
    • Part Description: 2008 Chevrolet Impala Valve Cover
    More Info
    Vehicle Fitment
    • 2008 Chevrolet Impala | SS | 8 Cyl 5.3 L GAS
  • OEM 2008 Chevrolet Impala PCV Valve - 12604500
    OEM 2008 Chevrolet Impala PCV Valve Diagram - 12604500
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    OEM (Genuine) 2008 Chevrolet Impala PCV Valve

    PartNumber: 12604500
    $60.18 MSRP: $95.57
    You Save: $35.39 (38%)
    Product Specifications
    • Notes: 3.5 & 3.9 Liter; Impala, Monte Carlo; Left
    • Location: Driver Side
    • Other Names: PCV Valve, Valve Cover
    • Item Dimensions: 17.0 x 7.5 x 4.3 inches
    • Item Weight: 2.30 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12591711
    • Part Description: 2008 Chevrolet Impala PCV Valve
    More Info
    Vehicle Fitment
    • 2008 Chevrolet Impala | 50th Anniversary Edition, LS, LT, LTZ, Police | 6 Cyl 3.5 L FLEX, 6 Cyl 3.5 L GAS, 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS
  • OEM 2008 Chevrolet Impala PCV Valve - 12591710
    OEM 2008 Chevrolet Impala PCV Valve Diagram - 12591710
    View Related Parts

    OEM (Genuine) 2008 Chevrolet Impala PCV Valve

    PartNumber: 12591710
    Product Specifications
    • Notes: 3.5 & 3.9 Liter; Impala, Monte Carlo; Right
    • Location: Passenger Side
    • Other Names: PCV Valve, Valve Cover
    • Item Dimensions: 15.6 x 4.8 x 2.1 inches
    • Item Weight: 4.10 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2008 Chevrolet Impala PCV Valve
    More Info
    Vehicle Fitment
    • 2008 Chevrolet Impala | 50th Anniversary Edition, LS, LT, LTZ, Police | 6 Cyl 3.5 L FLEX, 6 Cyl 3.5 L GAS, 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS

FAQ for Valve Cover Repair

Q: What's the recommended torque for the ignition coil bracket nuts?
A:
The recommended torque is 25 N.m (18 lb-ft).
By Bob
GM Specialist
01/11/2022
Q: What's the recommended torque for the valve rocker arm cover bolts?
A:
The recommended torque is 10 N.m (89 lb in).
By Bob
GM Specialist
01/11/2022
Q: What tools should be used when tightening the valve rocker cover bolts?
A:
You should use an alternating criss-cross pattern when tightening the valve rocker cover bolts. Failure to do so may result in oil leakage from the valve cover due to improper seating of the gasket.
By Bob
GM Specialist
01/11/2022
Q: What should be noticed when removing the valve rocker arm cover?
A:
You will need to ensure the gasket stays in place attached to the cylinder head.
By Bob
GM Specialist
01/11/2022
Q: What should be noticed when installing the valve rocker arm cover?
A:
All gasket mating surfaces need to be free of oil and foreign material. You can use cleaner to clean the surfaces.
By Bob
GM Specialist
01/11/2022

FAQ for Other Repair Info

Q: How to remove the valve lifter?
A:
You will need to remove the lower intake manifold, the valve rocker arms, and pushrods, loosen the Valve Lifter guide bolts then remove the valve lifter guides, remove the valve lifters from the valve lifter guides and clean all gasket surfaces with a degreaser.
Q: What's the proper way to remove the valve stem oil seal and valve spring?
A:
The proper way is to remove the spark plug, and the rocker arm, install the J 22794 into the spark plug port, using caution so as not to damage the Valve Spring or valve spring dampener, compress the valve spring using the J 5892-D and the EN-47823, then remove the valve spring cap keys, the valve cap, the valve spring, and the valve stem oil seal.
Q: What's the proper way to remove the valve stem oil seal and valve spring?
A:
The proper way is to remove the spark plug, and the rocker arm, install the J 22794 into the spark plug port, using caution so as not to damage the valve spring or valve spring dampener, compress the valve spring using the J 5892-D and the EN-47823, then remove the valve spring cap keys, the valve cap, the valve spring, and the Valve Stem Oil Seal.