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#1
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random squeal in the morning
I'll crank it up in the morning and once I put it in gear to start moving I can hear the serperntine belt squeal just like the old v--band setups used to. I simply blip the throttle and it shuts up for the rest of the day. 160k on an 01 3.0 x5. belt is new and has maybe 10k miles on it. |
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#2
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Best way to check is remove belt check all your rollers without belt installed. Just make sure they spin freely without noise.
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#3
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Could be tensioner, could also be the starter
__________________
2004 BMW M3 Individual 2009 BMW E70 X5 35d 2011 BMW E70 X5 35d - Totaled 2009 BMW M3 E90 - SOLD 2006 E53 X5 4.8iS - SOLD 2002 E46 M3 Convertible - SOLD 2006 E46 M3 ZCP - SOLD 2011 E70 X5 35d - SOLD 2000 E39 ///M5 - SOLD 2003 E53 X5 4.6iS - SOLD 2006 E83 X3 3.0i MSport - SOLD 2000 E46 323Ci - SOLD |
#4
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that would be the first time I'd ever heard a starter sound like that...and one that would wait until you put the car in gear and started driving before it started raising hell. normally, if they stay engaged you will know it immediately.
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#5
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Mine squeals on a cold start (sometimes) and goes away after a second. Sometimes it doesn't squeal at all. I had the belts and tensioners checked, everything okay.
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2004 BMW M3 Individual 2009 BMW E70 X5 35d 2011 BMW E70 X5 35d - Totaled 2009 BMW M3 E90 - SOLD 2006 E53 X5 4.8iS - SOLD 2002 E46 M3 Convertible - SOLD 2006 E46 M3 ZCP - SOLD 2011 E70 X5 35d - SOLD 2000 E39 ///M5 - SOLD 2003 E53 X5 4.6iS - SOLD 2006 E83 X3 3.0i MSport - SOLD 2000 E46 323Ci - SOLD |
#6
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Sounds like Belt tensioners and idler bushing talking. Try this trick, pop out the dust covers and spritz the mounting bolt (the center of the pulley) with any general lubricant (WD-40 for example) and see if you belt drive noise stops ASAP. At times its just the pulley being dry. There are just bushings in there. NO bearing per say.
You can use a stethoscope to determine which one is your noise maker. Alternatives: Main drive belt itself walking on start up. Check for chaffing on edges. Less likely: Alternator bearings. Water pump
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2005 X5 4.8IS The Blue ones are always FASTER.... Current Garage: 2005 X5 4.8is 2002 M5 TiSilver 2003 525iT 1998 528i Former Garage Stable Highlights 2004 325XiT Sport 1973 De Tomaso Pantera, L Model 1970 Dodge Challenger T/A 4 sp Alpine White 1970 Dodge Challenger T/A 4 sp GoManGo Green 1971 Dart Sport, “Dart Light” package 1969 Road Runner 383 1968 Ply Barracuda 340S FB Sea-foam Green |
#7
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Have you checked the belts for cracks on the inside grooves?
Have you had someone hold the brake and drop it in gear to see if you can pinpoint the location of the sound. Or, if only for grins, used a long extension to put against metal close to the pulleys and tensioners and the other end to your ear to see if they are noisy (not the squealing sound)?
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X5 4.6 2002 Black Sap, Black interior. 2013 X5M Melbourne Red, Bamboo interior Dallas Last edited by bcredliner; 01-11-2017 at 03:49 PM. |
#8
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__________________
2005 X5 4.8IS The Blue ones are always FASTER.... Current Garage: 2005 X5 4.8is 2002 M5 TiSilver 2003 525iT 1998 528i Former Garage Stable Highlights 2004 325XiT Sport 1973 De Tomaso Pantera, L Model 1970 Dodge Challenger T/A 4 sp Alpine White 1970 Dodge Challenger T/A 4 sp GoManGo Green 1971 Dart Sport, “Dart Light” package 1969 Road Runner 383 1968 Ply Barracuda 340S FB Sea-foam Green |
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