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3-Series (E36) Chat relating to the BMW 3-Series from 1992-1999. Autodoodad Specific models include: BMW 316i, BMW 318i, BMW 318iS/ti, BMW 320, BMW 323, BMW 320, BMW 324, BMW 325, BMW 328.

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Old 02-22-2010, 01:18 PM   #1 (permalink)
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Post Crying sound in engine

I have a 1999 325i and it has 152,000 miles. I have an appt to have it in to the service shop but the last time, it was about $3000 and that was in May of 2010. SInce then, I have replaced the tires and had the oil changed once. But recently, the coolant light has been coming on when I start him and it stays on till he warms up... about 2 min. in Florida. I checked the coolant level and have had to add some to get the red bobble needle up to where it should be. But now.... there is this crying sound from the engine. The gauges are all showing normal and the coolant light does not come on but lits like there is the high pitch cry from the engine. What could that be? There is nothing inside because I looked. It almost sounds like fighting cats. But no cats.
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Old 02-22-2010, 10:13 PM   #2 (permalink)
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Originally Posted by jhelton View Post
I have a 1999 325i and it has 152,000 miles. I have an appt to have it in to the service shop but the last time, it was about $3000 and that was in May of 2010. SInce then, I have replaced the tires and had the oil changed once. But recently, the coolant light has been coming on when I start him and it stays on till he warms up... about 2 min. in Florida. I checked the coolant level and have had to add some to get the red bobble needle up to where it should be. But now.... there is this crying sound from the engine. The gauges are all showing normal and the coolant light does not come on but lits like there is the high pitch cry from the engine. What could that be? There is nothing inside because I looked. It almost sounds like fighting cats. But no cats.
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1999 328i? (99' no 325i)

Definitely sounds like it could be your mechanical belt tensioner on the fritz....

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Old 02-23-2010, 11:56 AM   #3 (permalink)
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This is usually associated with the drive belts. Check if they are not damaged/worn and needing replacement. Even if you have good belts, if the tensioner is not doing it's job -- as jb suggests above--, you will most likely get a screeching sound from the engine bay.

I imagine that you get this sound more on mornings/evenings, and more on startup than otherwise. Please confirm.
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Old 03-10-2010, 12:58 AM   #4 (permalink)
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i had a problem like that on a ford i had. it may be worth taking the belt off and seeing if all the bits that spin round do so easily. on the ford, the belt tensioner for the pulley had begun to seize and didn't spin and made that hideous noise. give it a try. it's free after all.
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