94lex83457 Posted January 22, 2006 Share Posted January 22, 2006 I went to the dealer two and a half weeks ago for some diagnostics and an oil change. The total came to 170 dollars. I told them that i thought a belt was squeaking but it increased in pitch to about 2500 RPM. They said it was the AC clutch assembly and to fix it the cost wouldl be 2200 dollars! They also said the serpentine (timing) belt needed to be changed and that would be 450 dollars. my first question is, is the AC clutch assembly really responsible for my squeak. Two: is there a reputable shop in OREGON where i can get a new serpentine belt installed, I don't really have 500 dollars. It's lexus and they treat you well, but the good service comes at a very steep premium. Quote Link to comment Share on other sites More sharing options...
LexusTech117 Posted January 22, 2006 Share Posted January 22, 2006 Get a can of silicone spray and lightly mist the belt with the engine running. If the squeak goes away it's your belt that should be replaced. If the squeaking continues then it probably is the AC clutch assembly, or some other pully that the belt drives. As for your timing belt, what's the mileage on your car? -David Quote Link to comment Share on other sites More sharing options...
94lex83457 Posted January 22, 2006 Author Share Posted January 22, 2006 Get a can of silicone spray and lightly mist the belt with the engine running. If the squeak goes away it's your belt that should be replaced. If the squeaking continues then it probably is the AC clutch assembly, or some other pully that the belt drives. As for your timing belt, what's the mileage on your car? -David 207,037 this is the second timing belt. Quote Link to comment Share on other sites More sharing options...
LexusTech117 Posted January 23, 2006 Share Posted January 23, 2006 Well, considering the timing belt could have been replaced 3 times by your current mileage (every 60,000 recomended) I'd say it's a good idea to do it again if it hasn't been done within the last 70,000 or so. There's nothing worse than having your timing belt break or your water pump seize up. If the belt breaks or skips a few teeth the valves will get smashed by the pistons and then you're looking at an engine rebuild or possibly a low mileage motor to replace it. I have seen timing belts go a lot farther than 60,000 miles but it's not worth it to risk it. Also, keep up on those oil changes, we had an LS400 come in last week for a new motor because the cam shaft seized on the freeway. It seized because the oil passageways were clogged with thick dirty oil. -Dave Quote Link to comment Share on other sites More sharing options...
94lex83457 Posted January 24, 2006 Author Share Posted January 24, 2006 Well, considering the timing belt could have been replaced 3 times by your current mileage (every 60,000 recomended) I'd say it's a good idea to do it again if it hasn't been done within the last 70,000 or so. There's nothing worse than having your timing belt break or your water pump seize up. If the belt breaks or skips a few teeth the valves will get smashed by the pistons and then you're looking at an engine rebuild or possibly a low mileage motor to replace it. I have seen timing belts go a lot farther than 60,000 miles but it's not worth it to risk it. Also, keep up on those oil changes, we had an LS400 come in last week for a new motor because the cam shaft seized on the freeway. It seized because the oil passageways were clogged with thick dirty oil. -Dave I'm good about changing the oil in the car, and i know the huge risks of having an old timing belt. My problem is i need to find a reputable shop that doesn't charge an arm an a leg. Does anyone have an idea of how much an timing belt replacement should cost? Quote Link to comment Share on other sites More sharing options...
bartkat Posted January 24, 2006 Share Posted January 24, 2006 Would listening for the noise while turning the AC off and on tell you whether it's the AC clutch? Quote Link to comment Share on other sites More sharing options...
jerryrigginson Posted January 24, 2006 Share Posted January 24, 2006 does the 400s timing belt need to be changed that often? Quote Link to comment Share on other sites More sharing options...
lenore Posted January 24, 2006 Share Posted January 24, 2006 Try Toyota, maybe they will do it cheaper. Quote Link to comment Share on other sites More sharing options...
94lex83457 Posted January 27, 2006 Author Share Posted January 27, 2006 it's the the third timing, belt so i would be buying the fourth. I turned off the AC, and it still made that noise, hopefully it is just a belt. The toyota dealer is a good idea, i'll look into that Quote Link to comment Share on other sites More sharing options...
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