ill fast

I'm having trouble getting my belt to hold the tension. I can get the belt tight but once I start the car it loosens. So my question is how can I check to see if the tensionir is bad. Btw the motor is a gsr and has new timing belt

cibao2ner

once belt is tight at tdc loosen the belt tensioner 1/2 a turn the spin engine 3 teeth of the camgears and then retorque tensioner to 40lbs....

ill fast

That's the method I used

mouab18c1

iTrader: (5)

Stock motor? Is everything at TDC when you tighten the tensioner?

ill fast

Forgot to mention, motor has buddy club spec 3+ cams and supertech dual valve springs. Other than that it's stock

mouab18c1

iTrader: (5)

I'm running bc3+ cams and crower vt. Redo it again.

ill fast

I did it several times. What know is can I check to see if my tensionir is bad

Disco

Ive seen several cases where the tensioner bolt itself stretches to the point where it will hold the tensioner in place until the car starts and puts pressure on the belt. Try another washer on the bolt or shorten a bit. A washer is a quick easy way to test the theory.

ill fast

Got the tensioning solved. it was 850disco said. I guess the bolt had streched to the point it wouldnt hold tension and the tensioning spring also wasnt putting enough force to tightening the belt. Now the belt is to tight but no big deal ill just loosen it lol

cibao2ner

also when u using a valvetrain like that it helps to pull on it with a coat hanger...i did mines like 20 times and never got the right tension until i used a coat hanger with the supertech valvetrain

mouab18c1

iTrader: (5)

I have never used the coat hanger method with aftermarket valvetrain.

cibao2ner

i had never used it at all...but with the supertech and bc4 cams it was a pita..until i tried it..all i did was pull on the bottom of the spring while i torqued the bolt...and it hasnt given me a problem yet..also not too tight...timing belts usualy whine when their too tight..

anothersickhatch

I used the coat hanger trick as well. After a certain amount of testing and driving, you should get an idea of how tight it should be. I believe the Helm's manual gives you a measurement of how far the belt should bend when you push on it from the front of the motor.

Disco

Glad I could help