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| High pitched whining/whistling noise when downshifted in 1st http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=3&t=48283 |
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| Author: | VoodooMann [ Sun Dec 06, 2009 12:39 am ] |
| Post subject: | High pitched whining/whistling noise when downshifted in 1st |
I was driving today, and I occasionally downshift the auto tranny to slow down rather than braking (only at very low speeds mind you) and today I shifted down into 1st gear and the engine made this high pitched whining/whistling noise, almost like pushing a remote control car that is turned off, while it was slowing down. upon further testing I found that it does not make this noise on its own when it downshifts. maybe it's belt noise? my tensioner is getting ready to need replacement. maybe the belt is slipping? my radiator leaks, and the coolant has been a little low, maybe it is the water pump making noise due to low coolant, or air in the radiator? any ideas or thoughts on my opinions? |
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| Author: | KJ in CO [ Sun Dec 06, 2009 4:09 am ] |
| Post subject: | |
I wonder what it sounds like?? I am having a whining noise when I start my vehicle when the outside temperature is 20degrees or so. Cant quite tell if the belt is slipping or what not. The p/s pump is new, water pump new, alternator good. My fuid does get a little low and the radiator is seeping a little bit. Not to hi-jack your thread, maybe we have the same issue going on? 
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