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04-16-2023, 08:23 PM | #1 |
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Squealing from engine bay
Starts after a couple seconds on start up, Goes away for the most part when on throttle, comes back off throttle. only between ab 500-1000 rpm. The car is tuned if that has anything that may play in. It continues and gets louder after car is stopped. Im lost on what it may be ive never heard this type of sound. The car has oil and its not a belt squeak. video of squeal https://youtube.com/shorts/V6HWCAJrhhY?feature=share
Im unsure what it is or what to look up to find a similar post. So thank you in advance. |
04-16-2023, 08:28 PM | #2 |
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Sounds to me like an idler pulley is running dry.
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04-16-2023, 09:26 PM | #3 |
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04-16-2023, 09:58 PM | #4 |
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I just looked at the idler pulley and took it off and everything looks fine it shakes a little bit when the car is running but other than that the bearing looks no and has no squealing coming from it when i spin the bearing by hand.
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04-17-2023, 01:42 AM | #5 |
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OK, my second guess is that it might be the water pump making that noise, however, that would be unusual on these cars.
I suggest you also make a "stethoscope" out a long handled screwdriver or a metal rod and place one end of it on the alternator and AC compressor to see if you can isolate where the sound is coming from. Let's wake up ol @Tcoat and see if he has any ideas. |
04-17-2023, 07:04 AM | #6 |
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Vacuum or exhaust leak? It is not a moving part as it briefly continues after the engine is stopped.
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04-18-2023, 02:52 AM | #7 | |
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Quote:
OP, my money's on brake booster vacuum leak downstream of the check valve.
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04-18-2023, 11:40 AM | #8 |
chicken tonight
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Good thing OP posted an excellent recording
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04-18-2023, 11:44 AM | #9 |
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My vote is vacuum.
Either that or.. |
The Following 5 Users Say Thank You to Sapphireho For This Useful Post: | DSW (04-25-2023), NoHaveMSG (04-18-2023), Spuds (04-18-2023), Tcoat (04-18-2023), Ultramaroon (04-18-2023) |
04-18-2023, 12:12 PM | #10 |
chicken tonight
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