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#1
03-09-2010, 10:21 PM
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Random Engine Squeeling on Start up
My 02 4.4 squeels randomly at start up for about 3 seconds. Any others hear of this? Alternator, A/C unit, serp belt or ???. Of course when I was at my mechanic it did not squeel.
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#2
03-09-2010, 10:30 PM
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Can you pinpoint where exactly it's coming from . . . front or back of motor, driver side or passenger side?
__________________
2010 Lexus RX350 still new 2003 BMW X5 3.0i w/sport package w/68K miles. (gone Thank God!) 2002 Dodge Ram 2500 4X4 cummins diesel w/198K miles, custom repo truck 2009 Scion tC w/46K miles 2007 Suzuki SV650 custom streetfighter 2000 Lexus GS400 w/165K miles
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#4
03-10-2010, 01:18 AM
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Check your serpentine belt, alternator pulley, idler pulley.
Probably of the scariest is the alternator pulley seizing all of a sudden. Maybe get a new mechanic if he didn't check any of those to begin with.
__________________
-- 08 Cayenne GTS 05 Cayenne Turbo --
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#5
03-10-2010, 01:40 AM
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Quote:
Turned out to be WP bearing getting worn out, no leak what-so-ever.
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#6
03-10-2010, 10:15 AM
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Next time it happens, turn off the car immediately, then remove the belts, rotate all pulleys by hand and see if they move freely (other than crank of course). If all check out and don't wobble or feel strange, then put the belts back on and check to make sure it's tight.
Also, if you haven't checked the condition of the belts, make sure they aren't glazed and still feel rubbery where the belt meets the pulleys. Check for leaks that could be putting oil, coolant, etc. on the belt.
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