Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

camshaft and sprocket problem please help!

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Old Mar 14, 2009 | 02:48 AM
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Icon3 camshaft and sprocket problem please help!

hi all. today i changed my camshaft to a crower stage 1. all was ok car started up ran fine for a while but wen i put the foot down i heard a knock and the car stopped and wouldent start. on closer inspection it turns out that the stud on the gear(sprocket) that slots into the grove in the camshaft broke off so the gear was spining but not the camshaft. so of corse i gota get a new sprocket but how can i match up timing again since its now f**ked up! any help would be great!

Last edited by robbys89; Mar 14, 2009 at 10:58 AM.
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Old Mar 14, 2009 | 10:47 AM
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Default Re: camshaft and gear problem please help!

bump
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Old Mar 14, 2009 | 12:42 PM
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Default Re: camshaft and sprocket problem please help!

anyone?
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Old Mar 14, 2009 | 02:45 PM
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Default Re: camshaft and sprocket problem please help!

once u get the new cam gear on put it at TDC and the crank pulley at TDC of #1 piston. u should be fine then. did u lash your valves for the new cam?
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Old Mar 14, 2009 | 03:39 PM
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Default Re: camshaft and sprocket problem please help!

Originally Posted by robbys89
hi all. today i changed my camshaft to a crower stage 1. all was ok car started up ran fine for a while but wen i put the foot down i heard a knock and the car stopped and wouldent start. on closer inspection it turns out that the stud on the gear(sprocket) that slots into the grove in the camshaft broke off so the gear was spining but not the camshaft. so of corse i gota get a new sprocket but how can i match up timing again since its now f**ked up! any help would be great!
i would check to make sure you still have any valves left. what you are saying is pretty much the same thing as snapping a timing belt.
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Old Mar 14, 2009 | 03:39 PM
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Default Re: camshaft and sprocket problem please help!

Originally Posted by 94civiccupew/b7
once u get the new cam gear on put it at TDC and the crank pulley at TDC of #1 piston. u should be fine then. did u lash your valves for the new cam?
ok cool thanks! i didnt lash the valves no. is it a must when upgrading to a stage 1? + if it is what shud i set them 2? this is the deepest iv gone into my engine before so bare with me im kinda behind! lol
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Old Mar 14, 2009 | 03:41 PM
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Default Re: camshaft and sprocket problem please help!

Originally Posted by Nichelson_Performance
i would check to make sure you still have any valves left. what you are saying is pretty much the same thing as snapping a timing belt.
good point!!
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Old Mar 14, 2009 | 03:44 PM
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Default Re: camshaft and sprocket problem please help!

Originally Posted by robbys89
on closer inspection it turns out that the stud on the gear(sprocket) that slots into the grove in the camshaft broke off so the gear was spining but not the camshaft.
wow...I have never seen that before. Were you referring to the woodruff key?
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Old Mar 14, 2009 | 03:44 PM
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Default Re: camshaft and sprocket problem please help!

Originally Posted by Nichelson_Performance
i would check to make sure you still have any valves left. what you are saying is pretty much the same thing as snapping a timing belt.
no the valves are fine and the timing belt! what happend was the sprocket on the camshaft pritty much rotated around the shaft instead of with it if you get me
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Old Mar 14, 2009 | 03:45 PM
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Default Re: camshaft and sprocket problem please help!

Originally Posted by robbys89
ok cool thanks! i didnt lash the valves no. is it a must when upgrading to a stage 1? + if it is what shud i set them 2? this is the deepest iv gone into my engine before so bare with me im kinda behind! lol
u lash your valves anytime u change cams dude!! you should pull your head and check your valves they could be f**ked!
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Old Mar 14, 2009 | 03:48 PM
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Default Re: camshaft and sprocket problem please help!

Originally Posted by NVturbo
wow...I have never seen that before. Were you referring to the woodruff key?
if thats what it is called then yes! i dont know how it happend myself! i ether over torqued it or not enuf?
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Old Mar 14, 2009 | 03:48 PM
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Default Re: camshaft and sprocket problem please help!

Originally Posted by robbys89
no the valves are fine and the timing belt! what happend was the sprocket on the camshaft pritty much rotated around the shaft instead of with it if you get me
yea i understand, but if the sprocket was rotating and the camshaft wasn't that usually means that a piston will come up and smack the valve usually bending the valve and shutting the engine off and will most likely not start again

its just a thought
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Old Mar 14, 2009 | 03:55 PM
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Default Re: camshaft and sprocket problem please help!

Originally Posted by 94civiccupew/b7
u lash your valves anytime u change cams dude!! you should pull your head and check your valves they could be f**ked!
okay will do thanks man!
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Old Mar 14, 2009 | 03:58 PM
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Default Re: camshaft and sprocket problem please help!

Originally Posted by Nichelson_Performance
yea i understand, but if the sprocket was rotating and the camshaft wasn't that usually means that a piston will come up and smack the valve usually bending the valve and shutting the engine off and will most likely not start again

its just a thought
damn good point. the engine stopped strate away with no nasty sounds but i did try to start it again so couldof done more damage doing that?
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Old Mar 14, 2009 | 04:04 PM
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Default Re: camshaft and sprocket problem please help!

Originally Posted by robbys89
damn good point. the engine stopped strate away with no nasty sounds but i did try to start it again so couldof done more damage doing that?
probably to the valve/s it smashed. its a good idea to probably start looking for a new head
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Old Mar 14, 2009 | 04:12 PM
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Default Re: camshaft and sprocket problem please help!

Originally Posted by Nichelson_Performance
probably to the valve/s it smashed. its a good idea to probably start looking for a new head
yeah true. well first of all i will check them and see what ther like. if they are gone well least i got a 93 del sol with a b16a engine so i mite drop that in. shouldent be to hard since their all obd1 connections. my car is a 94 ex d16a by the way! shud of said that earlyier! lol
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