RX - 2nd Gen (2004-2009) Discussion topics related to the 2004 -2009 RX330, RX350 and RX400H models

Loud screech at startup

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Old 01-29-06, 02:02 AM
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pbm317
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Default Loud screech at startup

Hey Everyone, I have a 2005 RX330 AWD. Every so often when I first start up the RX, there will be loud screeching sound immediately upon start up. Any clues as to what it might be? It's not particularly cold in Seattle vs. Chicago where I used to live. And it happened when it was warmer out too. I will prolly hit 5,000 miles in a couple weeks, so I'll take it in then.

Just wondering if anyone else experiences/experienced this?
Old 01-29-06, 06:40 AM
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Todd
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Default Sounds Like Loose Belt

You are due for a 5000 checkup anyway so why not go ahead and take it on in to the dealer.
Old 01-29-06, 06:58 AM
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Grumpa72
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Originally Posted by pbm317
Hey Everyone, I have a 2005 RX330 AWD. Every so often when I first start up the RX, there will be loud screeching sound immediately upon start up. Any clues as to what it might be? It's not particularly cold in Seattle vs. Chicago where I used to live. And it happened when it was warmer out too. I will prolly hit 5,000 miles in a couple weeks, so I'll take it in then.

Just wondering if anyone else experiences/experienced this?

The drive belt? Belt tensioner pulley?
Old 01-29-06, 07:00 AM
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Barefoot B
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Yup, I would say the drive belt also
Old 01-29-06, 11:24 AM
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flipside909
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There should be 2 belts on the 3MZ-FE V6. A power steering pump belt and an alternator/ A/C compressor belt. Its likely the Alternator/AC Belt (The largest of the 2) is slipping. Have a tech look into it.
Old 01-29-06, 03:01 PM
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pbm317
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Thanks I'll note that all next week when I drop it off!
Old 03-02-06, 10:03 AM
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pbm317
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just following up, it was a loose serpentine belt. thanks for the help.
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