Engine Noise on Start-Up, but Only Lasting a Few Seconds
WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
| Cause | Correction |
|---|---|
| Incorrect oil filter without anti-drainback feature | Install the correct oil filter. |
| Incorrect oil viscosity |
|
| High valve lifter leak down rate | Replace the lifters, as required. |
| Worn crankshaft thrust bearing |
|
| Damaged or faulty oil filter bypass valve The bypass valve is now internal to the oil filter. |
|