belt skipped? timing question

[alain]

I have a Eagle Talon '95 with '91 motor

I changed my timing belt around two weeks ago, did everything by the book and replaced the timing, balancing belt for new ones and replaced the tensioner, all stock. The car ran great afterwards and drove around 20-30 miles. I drove it last night and it was running fine. This morning the motor was rattling and making loud noise.
I checked the belt and is still in new conditions but, when I put piston 1 and 4 in the top-most position, the camshaft wheels are moved 6 teeths from the mark. Before, it was aligned perfectly with the head cover.
If it is skipped that much, would there be valve damage? ...
Would is your suggestion?

HAve any one gone thru this?

I m now openning the car to see if the crankshaft jumped... but it looks obvious it did/

I would appreciatre any help... thanks

 

[oldman]

Turn the crank over one more rotation, basically there are two spots where both 1 and 4 are on the top.

 

[absolute_DSM]

This morning the motor was rattling and making loud noise.

Not a good sign. Sounds like it caught a couple valves. Pull that head back off and you will know.

Do you have any idea what went wrong? Is your tensioner bad? What did you do exactly when you put that in?

 

[alain]

thank you guys for the reply....

Can you clarify something... for it to be aligned on time... piston 1 and 4 should be in topmost position and the marks should coincide? correct?

I did the procedure for the timing belt change on the 1G... the timing was good for a few weeks.. it looks like it jumped out of nowhere.
The tensioner may be bad.. i m right now removing to see the timging... thanks guys
i willremove the head now

 

[oldman]

We have a 4 stroke engine, combustion, exhaust, intake and compression stroke. In a complete engine cycle (2 crank rotations), There are two postions where both 1 and 4 are both at the top of the piston travel. #1 TDC (beginning of combustion stroke) while #4 is at beginning of intake stroke or #4 TDC where #1 in at intake stroke. It is very possible that you're currently at #4 TDC not #1, turn the crank CW one more rotation and allow 1 and 4 to go down and come back up again to reach #1 TDC. If the marks still do not line up after that , you can then say in definitive terms that the timing is off.