How to service and repair the valve guide seal, replace the valve stem oil seal, and valve spring on Chevrolet Express 2500?

You should first take out the valve Rocker Arm before you start working on the Valve Stem Oil Seal repair and replacing the Valve Stem Oil Seal and valve spring. After removing the Spark Plug wire you should turn each boot 1/2 turn until you can simply take off the boot. Work on the Cylinder Head at normal temperature by lightly turning spark plugs one or two times and cleaning their surroundings before extraction. Put (J 22794) into the Spark Plug opening then connect an air hose and push air through it to lock the valves. Install tool j38606 to compress the valve spring before you take out both valve stem keys and slowly release the spring tension. Take out (J 38606) plus the valve spring cap alongside the valve spring then extract the Valve Stem Oil Seal and shim. Wipe the Cylinder Head area where the valve spring and shim sit. Add engine oil to the valve guide and oil seal before you set the oil seal gently onto the surface. Place the valve spring and cap then compress the spring with tool (J 38606) before adding valve keys and using lubricant to keep them stable. Let go of tool j 38606 after relaxing the spring load and knock down the valve stem end with a plastic-headed hammer if needed to position the keys right. Incorporate (J 22794) in the Spark Plug hole. Start the Spark Plug manually and tighten it to 15 nm force. After replacing the Ignition Coil wires install them properly then push each boot to the side to verify correct placement. Reposition the valve Rocker Arm in its final place.

OEM Chevrolet Express 2500 Valve Stem Oil Seal

Engine Valve Seal

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10 Valve Stem Oil Seals found

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Chevrolet Express 2500 Valve Seals Part Number: 12564852
$12.60 MSRP: $15.33
You Save: $2.73 (18%)
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Product Specifications
- Other Name: Seal, Engine Valve; Valve Stem Seal
- Replaces: 12558674
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2006 Chevrolet Express 2500 | Base, LS | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L BI-FUEL, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS
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Chevrolet Express 2500 Valve Seals Part Number: 12689007
$5.40 MSRP: $8.46
You Save: $3.06 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Seal, Engine Valve; Valve Stem Seal
- Replaces: 12645473
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2023 Chevrolet Express 2500 | Base, LS, LT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 6.6 L GAS
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Chevrolet Express 2500 Valve Seals Part Number: 12689006
$4.94 MSRP: $7.74
You Save: $2.80 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Seal, Engine Valve; Valve Stem Seal
- Replaces: 12645472
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2023 Chevrolet Express 2500 | Base, LS, LT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 6.6 L GAS
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Chevrolet Express 2500 Valve Seals Part Number: 12482063
$38.31 MSRP: $63.11
You Save: $24.80 (40%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Seal Kit, Engine Valve; Valve Stem Seal
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2020 Chevrolet Express 2500 | Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
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Chevrolet Express 2500 Valve Seals Part Number: 12482062
$42.00 MSRP: $69.18
You Save: $27.18 (40%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Seal Kit, Engine Valve; Valve Stem Seal; Valve Spring; Valve Springs
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2020 Chevrolet Express 2500 | Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
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Chevrolet Express 2500 Valve Seals Part Number: 10212810
$5.08 MSRP: $7.97
You Save: $2.89 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Seal, Engine Valve; Valve Stem Seal; Valve Seal Kit
- Replaces: 00460483, 460483
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2006 Chevrolet Express 2500 | Base, LS | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L BI-FUEL, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS
View related parts
Chevrolet Express 2500 Valve Seals Part Number: 23502552
$13.11
ADD TO CART
Product Specifications
- Other Name: Seal, Engine Valve; Valve Stem Seal
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2002 Chevrolet Express 2500 | Base, LS | 8 Cyl 6.5 L DIESEL
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Chevrolet Express 2500 Valve Seals Part Number: 97212994
$13.11
ADD TO CART
Product Specifications
- Other Name: Seal, Engine Valve; Valve Stem Seal
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2011 Chevrolet Express 2500 | Base, LS, LT | 8 Cyl 6.6 L DIESEL
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Chevrolet Express 2500 Valve Seals Part Number: 90410741
$6.10 MSRP: $9.70
You Save: $3.60 (38%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Seal, Engine Valve; Engine Valve Stem Oil Seal Set; Valve Stem Oil Seal Set; Valve Stem Seal
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2022 Chevrolet Express 2500 | Base, LS, LT | 4 Cyl 2.8 L DIESEL
View related parts
Chevrolet Express 2500 Valve Seals Part Number: 10214034
$1.74 MSRP: $2.72
You Save: $0.98 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Seal, Engine Valve; Valve Stem Seal; Seal Ring; Valve Seal O-Rings
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2002 Chevrolet Express 2500 | Base, LS | 8 Cyl 6.5 L DIESEL

Chevrolet Express 2500 Valve Stem Oil Seal

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Chevrolet Express 2500 Valve Stem Oil Seal Parts and Q&A

Valve Seals
12482063
Q: How to service and repair the valve guide seal, replace the valve stem oil seal, and valve spring on Chevrolet Express 2500?
A:
You should first take out the valve Rocker Arm before you start working on the Valve Stem Oil Seal repair and replacing the Valve Stem Oil Seal and valve spring. After removing the Spark Plug wire you should turn each boot 1/2 turn until you can simply take off the boot. Work on the Cylinder Head at normal temperature by lightly turning spark plugs one or two times and cleaning their surroundings before extraction. Put (J 22794) into the Spark Plug opening then connect an air hose and push air through it to lock the valves. Install tool j38606 to compress the valve spring before you take out both valve stem keys and slowly release the spring tension. Take out (J 38606) plus the valve spring cap alongside the valve spring then extract the Valve Stem Oil Seal and shim. Wipe the Cylinder Head area where the valve spring and shim sit. Add engine oil to the valve guide and oil seal before you set the oil seal gently onto the surface. Place the valve spring and cap then compress the spring with tool (J 38606) before adding valve keys and using lubricant to keep them stable. Let go of tool j 38606 after relaxing the spring load and knock down the valve stem end with a plastic-headed hammer if needed to position the keys right. Incorporate (J 22794) in the Spark Plug hole. Start the Spark Plug manually and tighten it to 15 nm force. After replacing the Ignition Coil wires install them properly then push each boot to the side to verify correct placement. Reposition the valve Rocker Arm in its final place.