Cant find TDC !!!!

[flmont]

Oh I understand,..Romad....like I said I should have started it myself.....But I dont have that kind of money,... plus the more I learn the more I can share....FM

[guru944]

Hope these pix help.
later...

[guru944]

Opps, These pics are from my 16V engine, However you should see that Cyl 1 and 4 are at the very top of the crank shaft stroke. and cyl 2 and 3 are at the very bottom of their stoke as well...

Later.

[flmont]

Yes,....Thanks I did finally find it,...I used the bottem notch....and when I ck'd top side there it was in the window,...does not take much to miss it...Thanks Frank

[rick13]

i am rebuilding my '88 944 turbo. so far the plan is going as follows...Get it close. O.K. after putting #1 at tdc (by way of straight edge, the engine is out of car and on stand), i began assembling the rest of the motor and kinda got sloppy. So i figured "no worries. after i put the flywheel and bell housing back on; tdc will be no problem." so, again. i got everything close...using the dowel this time, lining up the timing marks etc., eventually i will adjust a "tooth" or two. and voila! well hopefully. anyways...It's only confidence that keeps me going. maybe this will give another guy some confidence

[arttrout]

I'm in a similar situation, when I put the head back one #1 was at or about TDC (I had moved the crank 180 to clean out the piston bores on 2 and 3 from some gasket shavings). When I went to put the timing belt back on, it was off a tooth from the marks I made on it and the timing belt sprocket . Now I don't think the belt slipped a tooth as someone held it tight when I rotated the crank. When I look at both the tranny window and the slot at the bottom of the motor I cannot find the reference marks. I know that at TDC, there is play of a few degrees at the crank where the pistons don't seem to move, could this account for the one tooth off? It's an automatic and the previous owner had the flex plate replaced at one time. Does the auto have the same marks? Could the flex plate be installed in a position x degrees off? Yeah, I'm a dumb a@#, I should have looked for the marks before I put the head back on!

[IB RearWheelin]

dude make sure you've got this right, and double check it. I made a huge mistake with this when I changed my head gasket. Put the head back on and couldn't find TDC. Started it up...bent every exhaust valve. Luckily I got a new head.

[arttrout]

Found it, right where it should have been. I would have been a tooth off! Stronger flashlight helped!