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Old 05-09-2013, 12:32 PM   #1
l88m22vette
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Join Date: Mar 2007
Default 2001 SOHC timed after headgaskets, cannot turn over

So I'm in the home stretch for my Forester headgasket/timing belt job, at this point I have the heads on, and have timed the cam and crank sprockets using the three OEM timing marks. Everything is in place, and I've done the timing belt before. I attempt to turn the engine over clockwise at the crank using a ratchet, and get to 3-4 o'clock and meet resistance. Its not valve spring resistance, its a definite stop.

My question, what could be wrong? Could a cyl head or the crank be off? Where do I start troubleshooting? I'd REALLY like to avoid pulling the heads again...would a start be:

- pull plugs
- remove belt and set DS cyl head to safe position (90* counter-clockwise from timing mark)
- find TDC

Thanks for help all
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Old 05-09-2013, 08:20 PM   #2
MikeC5
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definitely remove the plugs so you can turn it easily and get a better feel. If it really is interfering then it has to be timing or is it possible you left something behind in a cylinder? Did you remove the engine to do this work? If so and it is an automatic, some people have had an issue with torque converter not seating properly and causing trans oil pump breakage when engine is bolted back up which, I think, could stop engine rotation. If you didn't remove engine I'd say double check timing.
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Old 05-09-2013, 09:09 PM   #3
l88m22vette
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What I did was loosen things like the mounts and flexplate bolts, and use a hoist to raise the engine (to remove the DS cyl head). The crank was rotated independently of the trans, but it is lined up properly because I marked it on the flexplate. I even put the DS cyl head to the safe position and turned the crank 360* but I still get the same feel/interference. I had loosened the plugs as well when troubleshooting...
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Old 05-09-2013, 10:52 PM   #4
Elbert Bass
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If you have timed it correctly then you are just feeling engine compression. If you are unsure, then remove the spark plugs and turn the crank to verify you aren't hitting anything.
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Old 05-11-2013, 12:49 PM   #5
l88m22vette
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Ok, so I got it figured out - it turns out that the DS cyl head had been timed according to the arrow on the sprocket instead of the timing mark for the belt (read it somewhere, was doing the timing when tired, what are the arrows for?). I took off the belt, put that cyl head in the safe timing position, rotated the crank a full 360*, retimed the belt, and everything is ok. It was not compression or springs, those are much different than the solid stop feel I had encountered, but thankfully I got the engine correct. Who else is ready to not deal with the goddamn headgaskets again? (raises hand)
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