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Well, sometimes it's recommended to replace it when you replace the belt. If it's not pricey and you can easily get at it, it's suggested that you replace it. Improperly tensioned belts will fail quickly, and possibly put strain on what it drives. (ie alternator) Loose with no more room to tighten, frayed, cracked, or glazed over. Replace it is you even think it is bad.
What else can I help you with?
Where do you find belt tensioner tool for a 2003 pantiac vibe?
Assuming you're asking about the serpentine belt, you cannot adjust the tension. If the belt is too loose it's either because it needs to be replaced or the belt tensioner needs to be replaced.
Why does your accessory belt on 2002 firebird come off in the rain?
Belt tensioner is weak. Needs to be replaced.
How do you adjust the tension of the serpentine belt on a 2003 Toyota Corolla?
You don't, it has a spring loaded tensioner, If the serpentine belt is loose the tensioner has failed and needs to be replaced
My protege makes a squeaky sound as I start driving?
Sounds like a belt or belt tensioner needs to be replaced
How can you tell if a tension pulley needs to be replaced?
if there is any play at all in the bearing on the tensioner,it needs replacing. also if you hae the correct new serpentine belt and the tensioner does not keep the belt tight when installed properly,you need new tensioner
Why do your belts sqeek when you press the gas pedal?
Either the belt needs replaced or the tensioner is bad.
Does timing belt tensioner needs to be replaced along with timing belt on a 2001 Isuzu rodeo?
Not unless the bearing in that pulley is noisy or rough when you spin it.
How do you tighten the serpentine belt on a 1997 Nissan Pathfinder with a 3.3L V6 engine?
Tension is accomplished with a belt tensioner, it is probably defective and needs replaced.
How do you adjust serpentine belt for mercury marquis?
You can't, the serpentine belt (or fan belt) on a grand marquis is equiped with a self tensioner, if your belt is making noise it either needs to be replaced or one of the pulleys on the cars may be loose and would need to be replaced.
How do you tighten serpentine belt on 1997 Mercury Villager?
There is a spring loaded tensioner that is supposed to keep the serpentine tight. If it is loose, it needs to be replaced.
1996 Chevy cavilier z24 makes knocking noise when running could this be timing belt tensioner needs to be replaced?
A "knocking" noise sounds like a bad connecting rod bearing. You may be ready to "sling a rod". These engines are famous for it.
How do you tighten the belt on a 1999 Chevy v8?
if your belt is loose, the tensioner probably needs replacing. the tensioner is the mechanism that keeps the belt tight.
