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timing belt issues

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jdmawd

Banned Member
3,318
0
Mar 20, 2002
GreenBelt,
Got the car back from the shop today with the following work done. New head and hks 272 cams. the head has been line bored to accept the cams perfectly. With the rockers out and the cam cap torque is 15 lb's the cams spin like butter.

The timing belt has been replaced along with the tensoner pulley and belt tensioner. All this work was performed by the shop.once I got the car home I cranked the car made some fuel and idle adjustments and the car idled dead nuts and 750 rpms with -15" of vacuum.

Once I blipped the throttle it began to tick and the egts began to rise. The tick became louder and louder at this point the car died. I attempted to re fire the motor and heard at loud pop and once again the car would not fire and the intake cam appeared to be about 3 teeth off with the crank at top dead center.

I pulled a few cam caps to check for starvation and the cams were well lubed with no signs of friction related damage. Its apparent that something is not being done correctly, Any help would be great.
 
Originally posted by 91 NT Eclipse
Take it back to the shop and kick them in the nuts. Make them fix it.

taking it back goes without saying. im just curious why this happend again. this is exactly what happend when i did the belt myself
 
I had the same problem...I figured the tensioner was bad. Turns out when I tried to replace the tensioner the oil pump was very hard to turn by hand. So now I have to spend $200 on the pump and assembly to get the car running again.
I wish we had timing chains!
 
Originally posted by Nos~4G63
I had the same problem...I figured the tensioner was bad. Turns out when I tried to replace the tensioner the oil pump was very hard to turn by hand. So now I have to spend $200 on the pump and assembly to get the car running again.
I wish we had timing chains!

If I had to guess there is not enough preload on the tensioner pulley prior to removing the tensioner pin. I would do it myself but im so frustrated with this car I might torch it if it does not work on the first try:mad:
 
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