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Technical Timing Problem?

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Technical Timing Problem?

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Caplin

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My 2000 mk2 8v Punto broke down yesterday whilst on a dual carraigeway. It lost power and as I pulled onto the side street it cut out. When I tried to start it it sounded as though only the starter was spinning and no compression. RAC were called who told me that it had a spark and fuel and that they thought it was a timing issue. After being towed home I took the timing belt cover off and found that the timing was way out. The belt is fairly new and there was no damage to it.

I have now replaced the belt and timed it up I think correctly however when I try to start it, although it sounds much better, after a couple of turns it stops dead and then starts turning again repeating the cycle and will not fire up?

Any ideas gratefully recieved. I will try jumping the car from another battery tommorrow in case it is something simple but dont thinik so.

Cheers
 
Check the timing sensor on the cam/pulley is plugged in. My bro in laws wasn't plugged in and gave the same symptoms. Also where you have replaced the belt if yours has the crank pulley sensor check the pulley is on correctly by lining up the little nipple with the hole on it.
 

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As said make sure alternator pulley is lined with the nipple, use the flywheel markings, much more accurate.

To line up the camshaft leave the spark plugs in and when you turn the engine by hand it 'jumps' in stages and should line it up for you. To check this I use one of them gauges used for checking spark plug gaps (can't remember the name of them) anything straight will work just to see if the white line lines up with the notch.

Remember to compensate for the tension being applied by the tensioner. It will move the shafts slightly. (y)
 
bredsticz said:
As said make sure alternator pulley is lined with the nipple, use the flywheel markings, much more accurate.

To line up the camshaft leave the spark plugs in and when you turn the engine by hand it 'jumps' in stages and should line it up for you. To check this I use one of them gauges used for checking spark plug gaps (can't remember the name of them) anything straight will work just to see if the white line lines up with the notch.

Remember to compensate for the tension being applied by the tensioner. It will move the shafts slightly. (y)
Click to expand...

sorry i don't know if it's just me being tired but i can't get my head around what your saying :eek: what do the spark plugs and checking them with a feeler guage have to do with the timing? :eek: bikes are more my thing ;)

i've got the rubber bung off on the flywheel but it's mighty akward to see in and i'm not 100% on what i'm looking for, only ever done 3 head gaskets on mates cars, none of which were puntos lol
 
Alex-R said:
sorry i don't know if it's just me being tired but i can't get my head around what your saying :eek: what do the spark plugs and checking them with a feeler guage have to do with the timing? :eek: bikes are more my thing ;)

i've got the rubber bung off on the flywheel but it's mighty akward to see in and i'm not 100% on what i'm looking for, only ever done 3 head gaskets on mates cars, none of which were puntos lol
Click to expand...

Sorry, usually people remove the spark plugs while timing it so the camshaft turns easier but leave them in and the camshaft 'jumps' rather than turns freely.
I use the feeler gauge (if that's what they are called) just to check if the camshaft marking alines with the notch it's supposed to. Since the notch is behind the camshaft sprocket and hard to judge by eye. A ruler or anything straight you can get into the gap will work (y)
Hope that's easier to understand, if not and you are in manchester I could always come take a look.
Also use a mirror to see the flywheel markings. You are looking for a line on it, there are 2 180 degrees either side
 
bredsticz said:
Sorry, usually people remove the spark plugs while timing it so the camshaft turns easier but leave them in and the camshaft 'jumps' rather than turns freely.
I use the feeler gauge (if that's what they are called) just to check if the camshaft marking alines with the notch it's supposed to. Since the notch is behind the camshaft sprocket and hard to judge by eye. A ruler or anything straight you can get into the gap will work (y)
Hope that's easier to understand, if not and you are in manchester I could always come take a look.
Also use a mirror to see the flywheel markings. You are looking for a line on it, there are 2 180 degrees either side
Click to expand...

aha i've got you now mate! i was trying to work out if you were suggesting gapping the plugs with a feeler guage would determine if the timing was ok lol :eek:

it's running anyway, mostly back together, timing needs another looking at as it doesn't have much 'go' under 3.5k revs, but i found the mark on the flywheel no probs.

as for timing it with the plugs in, i've always found it easier tbh, with the added bonus of putting the plugs in before putting the head back on for easy access.

cheers for the help mate! i'm off on the drink to watch the match, the car will get some more attention tommorow :D
 
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