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

To replace the valve stem oil seal and the valve spring of the left side, remove the left camshafts and raise the vehicle. Clean the area of the spark plug, remove the spark plug and install the necessary tools. Remove valve spring and old seal and install new seal and reassemble. Finally reinstall the camshafts and lower the vehicle.

OEM 2010 Cadillac DTS Valve Stem Oil Seal

Engine Valve Seal

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2010 Cadillac DTS 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.
More Info
Fits the following 2010 Cadillac DTS Submodels:
- Base, Livery, Luxury, Platinum, Premium | 8 Cyl 4.6 L GAS

2010 Cadillac DTS Valve Stem Oil Seal

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

Q: How to replace the Rocker Shaft Spring Kit and Valve Stem Oil Seal on the left side on 2010 Cadillac DTS?
A: To replace the valve stem oil seal and the valve spring of the left side, remove the left camshafts and raise the vehicle. Clean the area of the spark plug, remove the spark plug and install the necessary tools. Remove valve spring and old seal and install new seal and reassemble. Finally reinstall the camshafts and lower the vehicle.