Engine Noise Under Load
WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
| Cause | Correction |
|---|---|
| Low oil pressure | Insufficient or poor oil supply to components.
|
| Loose torque converter bolts |
|
| Loose and/or damaged flywheel |
|
| Excessive piston-to-cylinder bore clearance |
|
| Excessive crankshaft thrust bearing clearance |
|
| Excessive crankshaft bearing clearance |
|