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RX330 oil problems

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Old 11-12-08, 07:00 AM   #16
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Does the vehicle run well? If the oil was not changed for 35k there could well be some excessive wear. Spending $10K on a repair seems out of line to me. I'd try using a heavier weight oil and drive it. Before spending $8-10K I'd try changing the oil every 3,000-5000 miles with a 20w50 grade and see if the oil consumption gets under control.

I've seen a few oil tests done that show that oil, even dyno oil, will continue to lubricate pretty well after the suggested interval for replacement. I'm not sure that there is that much damage. To find out though, you need to have the engine broken down and inspected. This is pretty labor intensive so that is where the major costs are. You also might look for a replacement engine from a wreck. That 3.3 engine was used an a lot of Toyota vehicles as well as several Lexus models. You might even be able to find out the maintenance history of a wreck.

Another alternative... you might consider trading it in at a Lexus dealership on a new Lexus. Your vehicle along with $10-$15K should get you into a new purchase. Or even consider a lease.

Finally you might want to have your vehicle inspected to see if there was any tampering done. If it could be proven that the dealer who sold you this vehicle, knowingly sold it to you while being aware of this problem and didn't disclose it, you might have grounds for legal action. Could be hard to prove.

If you bought this vehicle from a Lexus dealership, you can be sure that they had access to it's maintenance records or lack thereof. You might contact the local TV networks ombudsman and see if they are interested in investigating this transaction.

Good luck.

Last edited by jfelbab; 11-12-08 at 07:06 AM.
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Old 11-12-08, 08:12 AM   #17
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What a bish of a previous owner.. that should tell you she doesnt know anything about cars or maintenance for that matter.

First I would seafoam the heck out of it to clean out any deposits and sludge. Use a heavier weight oil. There are some ring sealer additives you can try first.

If all out fails then if it was up to me Id just buy another engine from a wrecked RX and call it a day. Most yards have 6 month gurantee or so.
Make sure your shop does a compression and leak down test on any used engines.
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Old 11-12-08, 09:50 AM   #18
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Before I spent that kind of $$$$, I think I would try an Auto-RX treatment (www.auto-rx.com). After the Auto-RX treatment, I agree with the previous poster in that I would try a heavier weight oil.
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