Lexus RX 2004-09 :: Chirping Noise Coming From Belt Tensioner Or Idler Pulley
So from reading around a lot, it seems like the chirping is from the belt tensioner or idler pulley. That said, I've not been able to find anything definitive. I tried to do the water bottle squirt test (from Gates' youtube video) and either I did it wrong or the chirp did not go away implying the issue is not the belt. While I was looking in, I could see the tensioner shaking some.
If my tensioner should not be moving, do I just need the pulley or the pulley and the mount?
- Pulley [URL] ....
- Pulley and mount [URL] ....
Also, if the above items will fix the chirp, which brand would be best?
2007 RX 350, 113K.
Chirping gets worse as it heats up. Seems to happen independent of ambient temperature. Purchased a year ago so unsure of the history of part changes.
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My Ex is missing the label showing the serpentine belt routing diagram. I pulled one off the Autozone website for V10 with AC. It showed that there are 2 idler pulleys (one on the left and right side of the alternator). It also has the tensioner pulley.
I only have a tensioner on the left side of the alternator. The one on the right is missing. There appears to be a threaded hole where a pulley should go. Since I bought this used, I thought the previous owner took it off.
I used the bolt from the old tensioner pulley I replaced for the hardware and put a new pulley on.
I also looked at other V10s on used car lots and none of them had the pulley to the right of the alternator. Should there be one there?
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So I purchased a 2009 Accent hatchback about 11 months ago and so far its been great. However, recently (as in the past 2 weeks or so) I have begun noticing a strange cyclic noise developing from the engine compartment accompanied with some minor vibrations. Over time it has grown more prominent. I would rather deal with this before it becomes worse (and more costly) if its a serious issue.
Some info: I recently took a trip to North Carolina (from Florida). I also recently replaced the spark plugs before I left, so they are relatively new. The car has about 37k miles. After popping the hood and taking a look, it seems as though the noise is coming from the power steering pump/pulley area. The noise seems to match the rotations. Either way, here's a video of the noise (pardon the moving in the video, I was mainly recording for sound): [URL] ....
It may sound like normal engine operation, but it did not make that cyclic sound for the first 10 months, so it worries me. Perhaps I'm just paranoid.
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In a few weeks I will be bringing my new to me Ranger back to the great state of Texas. The truck however, has a squeak when running, which I think has been concluded as the idler pulley for the timing belt. Well, I'm nowhere near the truck still and in order for it to get here it will need to be driven half a day to reach me, at which point I could do all the work it needs done.
My question is: Should I take the risk and have it driven here before the belt change (I did look at it while I was out there and it's already cracking pretty good), or should I go ahead and have someone get the belt done at a shop? It's less the belt that concerns me I think, and more the pulley, even though it's just started squeaking in the last 1000 mile.
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I'm driving an 07 Camry and live in a region with hot tropical weather.
Video link to the sound [URL] ....
What could be the probable cause of the this and how do I rectify it?
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Car looks amazing and am very happy with it.
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