How to replace the Rocker Shaft Spring Kit and Valve Stem Oil Seal on the right side on 2010 Cadillac STS?

To replace the valve stem oil seal and valve spring on the right side, remove the starter motor. Install the EN 46106 to prevent crankshaft rotation, then remove the camshafts and rocker arms. Use the appropriate tools to remove and install the valve components, then reinstall everything in reverse order.

OEM 2010 Cadillac STS Valve Stem Oil Seal

Engine Valve Seal

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2 Valve Stem Oil Seals found

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2010 Cadillac STS Valve Seals Part Number: 12574354
$7.49 MSRP: $11.74
You Save: $4.25 (37%)
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Product Specifications
- Other Name: Seal, Engine Valve; Valve Stem Seal
- Replaces: 24100293, 12553354
- Item Weight: 0.80 Pounds
- Item Dimensions: 2.4 x 3.4 x 3.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12574354
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2010 Cadillac STS Submodels:
- Base, Platinum, V | 8 Cyl 4.4 L GAS, 8 Cyl 4.6 L GAS
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2010 Cadillac STS Valve Seals Part Number: 12565836
$4.37 MSRP: $6.83
You Save: $2.46 (37%)
Product Specifications
- Other Name: Seal, Engine Valve; Valve Stem Seal
- Item Weight: 0.60 Pounds
- Item Dimensions: 1.6 x 1.4 x 0.9 inches
- Condition: New
- Require Quantity: 8
- SKU: 12565836
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2010 Cadillac STS Submodels:
- Base, Platinum | 6 Cyl 3.6 L GAS

2010 Cadillac STS Valve Stem Oil Seal

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2010 Cadillac STS Valve Stem Oil Seal Parts and Q&A

Q: How to replace the Rocker Shaft Spring Kit and Valve Stem Oil Seal on the right side on 2010 Cadillac STS?
A: To replace the valve stem oil seal and valve spring on the right side, remove the starter motor. Install the EN 46106 to prevent crankshaft rotation, then remove the camshafts and rocker arms. Use the appropriate tools to remove and install the valve components, then reinstall everything in reverse order.