Question about 1997 Lexus LX 450
I seem to be adding about a liter of engine oil every 2 weeks without noticing any visible leakages in and around the engine. Please advise.
There are 2 reasons for this first you have a vehicle with i'm sure at least 100,000 miles on it this means that the valve seals are most likely hard and not soft like the should be,and therefore the oil seeps down into the piston cylinders and get's burned. Second you have an oil ring on the piston and if this is worn oil will be brought up through pistion from oil pan and burned as well. now most oil leaks occur either around the valve covers or the oil pan, however there are seals on the crankshaft as well and they tend to leak over time. unless there is a puddle under the vehicle while it's parked I would say that either the valve seals are the problem or piston oil ring is the problem or both. the only way to solve it is to have engine overhauled, this of course is not cheap.
Posted on Nov 07, 2008
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Posted on Jan 02, 2017
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