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Nissan4wheelers.com Forum Nissan4wheelers.com Forum Shade Tree Mechanic Help diagnose sound from belt area.|
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Off-Road Warrior |
I just put in a new alternator. I'm now hearing a "whirring" sound but can't pinpint the location. Any ideas? Belt tensioner bearing?
It's almost time for a new timing belt anyway. ============================== 1995 HB XEV6 4x4, AC Susp. Lift, 3" Body Lift 33" BFG AT's Custom Sliders, Steering, Roof Rack, Rear Bumper and Skids. MOBI-ARC Underhood Welder -------------- 2004 Xterra 4x4 Custom skid plates |
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N4W Card Holder NISSAN4WHEELER  |
Probably the new alternator.
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Moderator N4W Card Holder Ultimate N4Wheeler  |
Did you put new belts on too?
Will   |
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Off-Road Warrior |
No...same belts.
============================== 1995 HB XEV6 4x4, AC Susp. Lift, 3" Body Lift 33" BFG AT's Custom Sliders, Steering, Roof Rack, Rear Bumper and Skids. MOBI-ARC Underhood Welder -------------- 2004 Xterra 4x4 Custom skid plates |
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Off-Road Warrior |
OK...pulled the new alt and it is the culprit of the sound. Could I have tightened the belt too much? What is the correct belt tension?
Thanks ============================== 1995 HB XEV6 4x4, AC Susp. Lift, 3" Body Lift 33" BFG AT's Custom Sliders, Steering, Roof Rack, Rear Bumper and Skids. MOBI-ARC Underhood Welder -------------- 2004 Xterra 4x4 Custom skid plates |
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NISSAN4WHEELER |
if the alt was a rebuilt one take it back and get a different one. A tight belt doesn't make any noise. If you over tighten a belt it just put excessive strain on the pulleys. The belt still doesn't make any noise.
1995 KC XE-V6 4x4. |
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N4W Card Holder NISSAN4WHEELER |
Reman parts are often a crapshoot. Sounds to me like you got one with a bad bearing. It happens.
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Off-Road Warrior |
Yeah, I took it back, no problems. No more noise, just my other problems now (see "Help again").
Thanks ============================== 1995 HB XEV6 4x4, AC Susp. Lift, 3" Body Lift 33" BFG AT's Custom Sliders, Steering, Roof Rack, Rear Bumper and Skids. MOBI-ARC Underhood Welder -------------- 2004 Xterra 4x4 Custom skid plates |
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Nissan4wheelers.com Forum Nissan4wheelers.com Forum Shade Tree Mechanic Help diagnose sound from belt area.
