Corolla 1.8 motor oil consumption?

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Corolla 1.8 motor oil consumption?

Postby yehoshua » Tue Mar 01, 2011 1:21 pm

I recently noticed my Corolla (102k miles) was burning small amounts of oil. After doing some research, it seems as though most of the corollas and the chevy and geo prizms (toyota motor) with the 1.8 have this problem, and many times it gets so bad the car basically needs the whole motor to be rebuilt. If toyota has such superior reliability ratings, why haven't they done anything about this? My 91 Pontiac Sunbird had 285k miles before I got rid of it (ran fine but rusted out) and it
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Corolla 1.8 motor oil consumption?

Postby garvan29 » Tue Mar 01, 2011 1:23 pm

The 1.8 is known to be a sludger even with regular oil changes.
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Corolla 1.8 motor oil consumption?

Postby aswin97 » Tue Mar 01, 2011 1:25 pm

The big problem is that nobody has actually pinned down what causes the consumption. As one of the posts in honestjohn points out, "Toyota did not issue a recall because not every engine develops the problem." That means it is not entirely the result of design or build, so operating considerations must figure in somehow.

Toyota valve stem seals have often been delicate things, requiring strict adherence to oil change schedules including observance of severe conditions... which are common conditions for most vehicles. But if sludging per se is involved it is likely to be in the form of sludge causing the compression rings to stick and not maintain their spring against the cylinder walls. If so, Mopar Combustion Chamber Cleaner is the way to go. You can get a can at Dodge (gasp!) dealers for $6 and follow the instructions in the first source. As the second source attests, even Chevy enthusiasts have an appreciation for it. One posts, "I have seen my oil consumption 100% stop." Worth the risk of $6, I guess.
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