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post #3 of (permalink) Old 04-16-2018
TeeRev
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+1 Definitely sounds like a bad pulley bearing.

If you don't have a mechanics stethoscope, a long screwdriver works just as well. Just be *super* careful. That's what I used to determine my tensioner was going bad.


08 Impala LTZ


Rosen DS-GM1010-P11
Rosen DP-1088
Blackvue DR-470 2-Ch w/ PMP & GPS
Ultragauge MX 1.3
Dynomax 3" tips
Chevrolet Performance STBs + DR custom brackets
30% Llumar tint
Techno Steel interior trim / leather shifter
SS grille
Reverse light / full interior / instrument cluster LED retrofit
LED headlights / fog lights
Stant locking gas cap
WeatherTech front liners / window deflectors
GM molded splash guards
McGard locks
Firestone Firehawk Wide Oval UHP
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