Engine Oil Consumption Excessive: Axiom
- Blow-by gas hose broken.
- Cylinders and pistons worn excessively.
- Continuous high speed driving and/or severe usage such as trailer towing.
- Crankshaft front or rear oil seal defective.
- Crankcase bolts loosened.
- Engine/Transmission coupling failed.
- Front cover retaining bolts loose or gasket broken.
- Head cover bolts loose or gasket broken.
- Improper oil viscosity.
- Oil filter adapter cracked.
- Oil filter attaching bolt loose or rubber gasket broken.
- Oil pan drain plug loose.
- Oil pan gasket broken.
- Oil pan bolts loosened.
- Oil pressure unit loose or broken.
- Piston ring and ring groove worn.
- Piston ring gaps incorrectly positioned.
- Piston rings set with wrong side up.
- Piston ring sticking.
- Positive Crankcase Ventilation valve clogged.
- Return ports in oil rings clogged.
- Valve stem oil seal defective.
- Valve stem or valve guide worn.