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major probs with cambelt installation and timing marks 200 1989

posted by  240GLT on  Sat Apr 2 08:32 CST 2005
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Hi again
just wanted to say thankyou to all you guys who offered your help. following your advice i've had the cambelt off again to line the belt marks as suggested. cheers Aye Roll. i understand what you mean about wrapping the belt round to get the 2 lines matched on the crank sprocket guide as well. crazy! i couldn't see the significance of those lines at all!!! suffice to say i also checked that the intermediate pulley guide pin was ok and that something hadnt gone tits up in that area, cheers for that suggestion greg_mustang. i did think about the rotor being put on wrong but it seems to have a guide notch inside it to prevent it from being placed on the dizzy wrong.

so, following the good avdice from you guys it seemed as though i was gonna have to pull the dizzy and rotate it 180 as having lined the intermediate pulley bang on the timing mark (at 2'o'clock as Aye Roll suggested) the rotor was indeed pointing at number 4. bugger.......
so, to recap i now have cam at TDC on 1, crank at TDC on 1 (well, and 4 obviously!) & intermediate pulley on timing mark - everything lined up correctly.
before flipping the dizzy i decided to swap the leads round and try it like that. suffice to say, crank, BANG! and no firing up
so, pulled the dizzy out and flipped it 180. now have all pulleys lined up and a rotor pointing to 1. crank, BANG! again...............

doh! so, i'm shit out of ideas now. i guess its looking like maybe i had some valve damage afterall. and it really did look like all was ok as well. if the head isn't bolloxed then i really can't see what the prob is. i mean, if the problem is all timing related (ignition timing as opposed to cam which i'm pretty sure is correct) then surely it would make an effort to fire and run like shit instead off backfiring when cranking it over?!

sorry to ramble on everyone. i'm new to volvos and have never done any work on one before although i do appreciate and agree with you alberto, that they are relatively pleasurable to work on cos of all the space. always a bonus! plus there is a nice flat area in front of the rad to put my beers on while im working!! sweeeet

so, i was really just wondering if anybody maybe had any more ideas as to what they think the prob could be
i appreciate everyone giving up their time to help me out
thanks everyone
James






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