Auto Systems and Repair: Piston Rings
Symptoms of Wear or Failure
- Engine misfire
- Excessive oil consumption
Related Repair Advice
- Excessive oil consumption can be caused by sludge buildup on the oil control rings. In some cases, special cleaners can be used to clean the rings without disassembling the engine.
- While a damaged piston ring can be replaced, it's common to have the engine replaced when piston ring damage is encountered
- A "short block" replacement may also be recommended—this replacement only includes the lower parts of the engine and leaves out the cylinder head and intake manifold