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Its not a problem, glad we have the rotor angle problem out of the way, thank you very much guys.
The sprocket notch does indeed line up when the cam gear is at TDC, however the line doesn't match up on the flywheel, in fact... there is no "OT" at all. I went under the car and checked the opening near the starter. With the sprocket and cam gear lined up here is what I see. http://img.photobucket.com/albums/v4...t/P1010005.jpg http://img.photobucket.com/albums/v4...t/P1010002.jpg |
The sprockets still lining up is good.
For the flywheel, this is the notch i am referring to, look at the last picture on this page. http://www.clarks-garage.com/shop-manual/eng-13.htm |
I found the other hole right by the starter, unfortunately I cannot locate any sort of notch whatsoever with the sprockets and cam gear lined up.
I have never installed a flywheel before, and I don't mean to sound silly but.. Could it be aftermarket? or on wrong? What it looks like at TDC http://img.photobucket.com/albums/v4...P1010006-1.jpg A notch I found in it. http://img.photobucket.com/albums/v4...t/P1010008.jpg |
Hey, that is still not the correct spot to look for the notch. What you are looking through is the clutch inspection hole. I will upload a picture shortly of the spot i am talking about.
EDIT: I do not have any clear pictures, but these two should give you an idea as to where to look. One is from my 951 and one is from my old n/a.. the two pictures combined should be enough though. http://img.photobucket.com/albums/v1...ellhousing.jpg http://img.photobucket.com/albums/v1...llhousing2.jpg Basically that notch i pointed out in the bell housing will line up with the notch on the flywheel when the crankshaft is in the correct TDC position. You must verify the cam is still at TDC, because the crank rotates twice for one rotation of the cam gear, so you can have the markings lined up on the flywheel, but be 180 degrees off still. |
In one of the earlier posts in this thread, you found the OT mark in the window on the bellhousing - a straight line - | - . Find that first, then work from there.
If the cam gear doesn't line up when the crank is OT, then you have to re-time it. And like I said before, I'd use all new belts. |
Thank you a ton Mike and Techno.
I set everything up to TDC and found the inspection hole with the notch clearly visible. But... the line on top of the flywheel does not match up, I'm extremely stumped. I can't even find the OT whatsoever no matter how much I turn it. A poor picture, but the line is visible at TDC. http://img.photobucket.com/albums/v4...t/P1010011.jpg If the sprocket and cam gear line up shouldn't that mean its ok? Is it at all possible that the flywheel was replaced perhaps put on wrong? It doesn't make sense at all to me. This seems harder than it should be, but I'm not willing to drop pretty pennies on a new head. I had all the belts replaced less than two thousand miles ago, along with the cam chain tentioner redone too. |
You already found it here in your first photo. If you shine a light in the circled area, you should be able to see the OT mark.
http://forums.pelicanparts.com/uploa...1233965268.jpg This is the OT mark on my previous S2. http://forums.pelicanparts.com/uploa...1233965308.jpg |
Couple notes from the Porsche Factory manuals with regard to TDC.
If the cam sprocket/pulley was changed out and aftermarket used as replacement, there are NO TDC marks. Manual instructs the mechanic to make new reference mark with scribe, pencil, or whatever and use the placement of the timing chains as they orient the cams properly. So, the cam/valve cover needs to be removed to see this. Second, it appears from the Factory manuals that the S2 3.0L engine rotor setting is at 12:00 o'clock position. In other words, straight up. Then, look for OT mark on flywheel. Hope this helps. |
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