Squeaky belt

[nytebyte]

So my belt has begun to squeak lately and it only has about 2000 miles on it.

It's definitely the belt, since you can hear it squeak with each revolution the belt makes around the engine. I originally had a Gatorback on there, but the annoying whistle that it generated due to my non-slip pulley made me change to a Gates. The Gates was nice and quiet for a long time, but now it's squeaking.

Does anyone know of a good belt that can withstand the stresses of a pullied Cobra without getting the squeaks?

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[blck10th]

What size pulleys and belt you running? I never had a squeak with the eaton and a 2.76 upper

You could try the heavy duty green ones from gates. I use them on my car. But I destroy them with the kb.

Otherwise I know gates does make a kevlar belt but not in a ton of sizes

 

[Zack]

Im often criticized when I advertise doing this......
I take a rag soaked in brake cleaner and hold it up to the ribbed side of the belt when the engine is running. Repeat on the other side next.
It will clean the belt and pulley surfaces and most likely eliminate the noise.

Flame suit on.

 

[nytebyte]

It's a 2.76 with an idler.
Wouldn't brake cleaner dry the belt out and cause cracking and even more noise?

 

[wolfe]

Im often criticized when I advertise doing this......
I take a rag soaked in brake cleaner and hold it up to the ribbed side of the belt when the engine is running. Repeat on the other side next.
It will clean the belt and pulley surfaces and most likely eliminate the noise.

Flame suit on.

As long as you can do it without getting your hand in there. I wouldn't do it, but if you want to go for it.

 

[blck10th]

As long as you can do it without getting your hand in there. I wouldn't do it, but if you want to go for it.

This
I have almost lost 3 fingers due to work. Fuck that

 

[wolfe]

Yeah, I would do a rag on a stick or something. Or just switch a belt. My fingers are worth a lot more than a $40 belt. Maybe take the belt off and clean it and then put it back on.

OP-Do you have an adjustable tensioner?

 

[blck10th]

It's a 2.76 with an idler.
Wouldn't brake cleaner dry the belt out and cause cracking and even more noise?

Hmm I am not sure of the belt length. I just know with all 4 bf idelers i never had a issue

How tight is the belt to get on? I put quite a load on my hd belts and they squeak/chirp.

 

[Gibby_SVT]

I had same problem on the STOCK motor. I replaced the crappy stock belt and presto, squeak gone. I would try that first. I tried brake cleaner, belt conditioner, cleaned all the pulleys, nothing worked. Changed the belt and it's good.

 

[nytebyte]

How tight is the belt to get on? I put quite a load on my hd belts and they squeak/chirp.

I just have the stock tensioner. When I originally put the new belt on, it was tighter that a Catholic schoolgirl's snatch. I think it stretched out a little with use and isn't so bad now.

I used Gates 75.1 inch, part number K080751.

 

[TurboJuice]

I use the Napa / Gates belt and just change my belt like I change my oil...


I am not sure what the problem exactly is, but i swapped out everything this year. all new pulleys, new alternators, new alternator pulley, new supercharger pulley, new tensioner and tensioner pulley, new idler bracket. I tried it with a gates belt, gatorback and gates green belt. The gatorback makes a mess, so dont bother. The green belt still squeeks so it isnt worth the money. I prefer the cheaper gates belts. I have also concluded it is the smooth outer side of the belt. I agree with Zack, in that these belts just get dirt and squeek.

Nothing fixed the problem for good on mine except a new belt. The squeek still came back especially after hard driving. I think it puts an intense load on the belt in first and second gear when i loose traction and rev the shit out of the engine. So if you drive nice, your belt stays quiet longer. If you drive it how it is supposed to be driven, they squeek sooner.

 

[blck10th]

I have a new gates belt that # sitting here. I can't use it

 

[TCG Member 5219]

Gatorback will be nice and quiet for ya.

 

[Zack]

The outer portion of the belt will glaze over of there is any belt slip.
If the brake cleaner doesnt work, use 600 grit for a SHORT time.

 

[nytebyte]

Yeah, I was thinking about using sandpaper. I might give that a try.
I'm also buying that belt from NOTCH_U, just in case.

Also, I originally had a Gatorback on there and it sounded like 100 canarys under my hood. The unique rib design of the Gatorback interacted with the grooves on the non-slip pulley to make a chirping sound.

 

[Flyn]

Zack be careful with moving belt cleaning. I know you know what you are doing but skill at repeated tasks leads to half a second of inattention and that leads to chop, chop. Looking at the risk/reward, is it really worth risking fingers to save 10 mins. of your life?

I bet you could design a soaked cloth holding tool?

 

[Zack]

Zack be careful with moving belt cleaning. I know you know what you are doing but skill at repeated tasks leads to half a second of inattention and that leads to chop, chop. Looking at the risk/reward, is it really worth risking fingers to save 10 mins. of your life?

I bet you could design a soaked cloth holding tool?

I promise to change my ways ....seriously.

 

[bugsyc]

try using bee's wax.

 

[nytebyte]

Tried the sandpaper but it didn't have any effect.
My guess is that it's not the edges of the belt in this case.

Guess I'll have to change it.

 

[04cobrawhine]

get some valve laping compound (valve grinding compound if you will) and put a little bit on the back side of the belt in a couple spots. then start the car and watch the noise magicly go away. its only a temporary fix, but its much easier and cheaper then replacing belts.

make sure you use water mixed compound though. if you use the grease mixed stuff you just make a mess.

 

[nytebyte]

Interesting idea. I guess it could be the back-side of the belt.
I never considered that.