Timing chain tensioner O-ring oil leak
- Symptoms
- Oil on the rear of the engine, little dripping
- Likely cause
- Hardened tensioner O-ring
- Fix
- Replace the O-ring / tensioner
- Applies to
- 1ZZ-FE/2ZZ
- Related fault codes
- -
- Confidence
- medium
Sources
Related problems on this car
- Valve cover gasket and spark-tube seal leak
- ZZ oil consumption (1ZZ-FE/3ZZ-FE, worse on early builds)
- Intake manifold gasket vacuum leak (1ZZ)
- Drive belt squeal / tensioner failure
Similar problems on other cars
- Timing chain jumps after long oil changes · Toyota Vitz (1st gen)
- Timing chain rattle on cold start (1KR/K3) · Toyota Passo (1st gen)
- Timing chain rattle at idle · Toyota Vitz (1st gen)
Where the parts are · Warning lights · Fault codes · Maintenance
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