Aux Belt sqeak

[Struggler]

Sounds like my aux belt its squeaking a bit,

but its very tight, im almost scared to tighten it up more encase its knackers a bearing somewhere!!

is there anything else that can make an aux belt sqeak other than incorrect tension?!

 

[Bobby.]

If you had water on it or if it was too tight can cause a speak.

You probably don't have it tight enough, I take if you have a cup alternator setup? These have a belt tension of around 180nm iirc which is quite tight tbf.

 

[Struggler]

its tensioned in the same way was a cup set up. perhaps ill just tighten is up some more!! 180nm sounds mental! thats double what a wheel nut should be!! how can the tensioning stud handle that?!

 

[Bobby.]

Sorry was just going to correct that I ment herts not nm.

If theirs no pre tensioner in the system their usally quite tight so not a lot of movement when moving it with your fingers.

 

[mkii]

I also have a sqeak on my aux belt could someone point me in the direction of the tensioner so i could tighten it up?

 

[Silent_Scone]

It's a manual tensioner on the cup setup, above the alternator. Check the water pump isn't leaking

 

[Struggler]

water pump isnt leaking, its pretty much new! im slightly worried the bearing in it is faulty.

so how tight is 130 hertz?! i terms of me turning a 10mm spanner on the tensioner?!
how much should i be able to move the belt up and down?!

 

[Silent_Scone]

about a pound coins worth?

 

[mkii]

i just gave mine a tweak and no more squeak Thanks

 

[Dave..]

Mine was squeaking a couple of months ago. I thought one of the pulleys was on its way out. Turns out the belt had been rubbing against the tensioner and had worn through to the cable, carving a 2mm groove in the metal.

 

[Bobby.]

water pump isnt leaking, its pretty much new! im slightly worried the bearing in it is faulty.

so how tight is 130 hertz?! i terms of me turning a 10mm spanner on the tensioner?!
how much should i be able to move the belt up and down?!

It's not 130 herts! I double checked it earlier for a 172 cup alternator set up it should be 183 herts give or take 9.

If you don't have a herts meter at your disposal then you could try tightened it abit more each time til it stops, it should only move a little bit up and down like silent scone said, about a coins worth.