vibration after replacing water pump and belts

[jerry944]

I just replaced the water pump and tighten the belts with the special tool and also replaced orings on oil cooler what a pain that was. I put it all back together and it starts up fine with no problem like it did before,but when i hit the gas and the revs go up there is a vibration on the car ,I have no clue what it could be ,even in the shifter it vibrates, please need some info.by the way it is a 84 944 na,love the car.

[Magnus_944]

The cause could be a balance shaft misalignmen.
http://porsche-944-garage.tripod.com/shop-manual/eng-08.html

/Magnus

[Mrmerlin]

[QUOTE]Originally posted by jerry944:

Hi Jerry well you have to take it all apart again you have mis indexed one of the balance shafts to pulley, the one on the left should have an O visible and this will line up with the woodruff key the one on the pass side will line up with an U or it will not have nothing that is on the face of the pulley..... for further info go to the Porsche 944 garage and look up the tech page it will tell you exactly what to do.........also make shure that you have the indexes for the belts in the correct position.........Stan

[jerry944]

thanks for the info I will check and hope thats the problem ,I will let you know!

[Lawrence Coppari]

Sounds like balance shaft to me. I made the same mistake once myself.

[jerry944]

yeah my balance was of ,I did not lined the notches up to the back cover at tdc.now i fixed the problem and its all better ,just like driving a new car. what a difference..thanks
porsche all the way!!!!!!