How to replace the Rocker Shaft Spring Kit and Valve Stem Oil Seal on the left side on 2005 Cadillac DeVille?

To install new left valve stem oil seal and valve spring, take out the left camshafts and prop up the vehicle. Wipe off the spark plug area then work the spark plug off. The Valve Spring Compressor is used to reach the valve spring and seal and replace. Install and refit parts and bring the vehicle down.

OEM 2005 Cadillac DeVille Valve Stem Oil Seal

Engine Valve Seal

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2005 Cadillac DeVille 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 2005 Cadillac DeVille Submodels:
- Base, DHS, DTS, Protection Series | 8 Cyl 4.6 L GAS

2005 Cadillac DeVille Valve Stem Oil Seal

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2005 Cadillac DeVille 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 2005 Cadillac DeVille?
A: To install new left valve stem oil seal and valve spring, take out the left camshafts and prop up the vehicle. Wipe off the spark plug area then work the spark plug off. The Valve Spring Compressor is used to reach the valve spring and seal and replace. Install and refit parts and bring the vehicle down.