Question about 2005 Chevrolet Uplander
On driver side hear sort of a whining noise like metal on metal. Noise increases as RPMs increase.
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Posted on Jan 02, 2017
I'm having the same problem with my 2006 Chevy 2500 duramax...The humming starts at 25mph and then gets less prominent and then at 50mph it gets more prominent and louder, then at 60mph you can hardly hear it.....I did notice a little bit of leakage where the front axel meets the from diff on the drivers side.
Posted on Aug 09, 2008
it is your idler pulley. get it from dealer comes with bracket, just use pulley off bracket. take your belt off and your idler pulley is lower right hand side(facing your engine). 15mm bolt, replace pulley and reinstall your belt. it;s a common problem on trailblazers
Posted on May 05, 2009
Sounds like you have a capacitor problem.It could be a number of issues , but i suggest you check the alternator one first.
If you unplug the power cable to the back of the alternator and the whining goes away then replace the capacitor(usually only one bolt/screw)and you should be OK.
If not I sometimes have dissconnected the + wire from the HT coil when the car is running and the same applies,and if this works replace the capacitor or fit one if there isn't.
If none of this helps fit one to the + wires of your radio.
Please leave fair comment if I have helped you.
Posted on Sep 01, 2009
Testimonial: "This is Great Info, I'll try all ideas . Ross "
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