mk10
Tea Maker
Posts: 112
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Post by mk10 on Dec 17, 2014 19:47:19 GMT 1
Hi
Just done a engine swop due to knackered bottom end.
put back together and no start. checked timing as i replaced the cambelt on the replacement engine all good. did compression test 20.65 BAR on all cylinders is this good and would this confirm that valves are ok?. swopped the crank sensor and cam sensor with the old engine. got fuel to the rail. the only thing i found was a poor spark. any help welcome as my diagnostics are a bit hit and miss. i checked spark by pulling no 1 plug and lead and firing up is this the right method?. regards Jeremy
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Post by Karl on Dec 17, 2014 19:59:57 GMT 1
Ford built a few focus a year might help
As a basic check for ignition spark then yes, is the coil being triggered?
Where the engine numbers the same on the replacement engine ?
20 bar is quite high , can you recheck with another compression gauge?
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mk10
Tea Maker
Posts: 112
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Post by mk10 on Dec 17, 2014 20:09:53 GMT 1
Sorry forgot to put year 54reg mk1 bare engine the same engine out of an auto so swoped various bits over. I used a digital tester and its the only one ive got. Would the compression test confirm valve damage as car just turns over or am i going inwrong direction?.
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Post by Karl on Dec 17, 2014 20:17:26 GMT 1
Sorry forgot to put year 54reg mk1 bare engine the same engine out of an auto so swoped various bits over. I used a digital tester and its the only one ive got. Would the compression test confirm valve damage as car just turns over or am i going inwrong direction?. Yes but did the engine numbers match ? Wonder if the ckp housing is different on an auto in comparison to manual |
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mk10
Tea Maker
Posts: 112
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Post by mk10 on Dec 17, 2014 20:23:10 GMT 1
Hi that would make sence so what you are saying is that if the housing is different then the crank sensor would not see marks on flywheel and not tell coil pack to fire?
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mk10
Tea Maker
Posts: 112
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Post by mk10 on Dec 17, 2014 20:39:47 GMT 1
Karl you are a star just checked old new engines and the crank sensor is slightly in a different position. I never would have thought of this so thank you very much. Off with the box tomorrow!.
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mk10
Tea Maker
Posts: 112
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Post by mk10 on Dec 18, 2014 14:51:52 GMT 1
fixed and running was crank sensor housing i dont think i would have worked it out on my own so a big thank you to Karl B.  |
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Post by rhyds on Dec 18, 2014 15:17:12 GMT 1
You learn something every day!
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Deleted
Deleted Member
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Post by Deleted on Dec 18, 2014 15:35:22 GMT 1
They just bolt in a hole in the block facing the flywheel ?
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mk10
Tea Maker
Posts: 112
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Post by mk10 on Dec 18, 2014 16:48:46 GMT 1
yes unbolt from behind flywheel one 8mm bolt and tap out.
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Post by Karl on Dec 18, 2014 19:55:27 GMT 1
Well done
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Post by studabear on Dec 18, 2014 20:49:44 GMT 1
Always nice when the person who asks for help, then comes back to say thanks.
Bet the op is well chuffed and well done Karl
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Deleted
Deleted Member
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Post by Deleted on Dec 18, 2014 22:39:23 GMT 1
yes unbolt from behind flywheel one 8mm bolt and tap out. ahh sorry ! didnt read your post properly, yea they are different to accomodate the torque convertor bolts in the flex plate, good job Karl's on here !! |
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