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Author Oil cap burst off!
sc0ott
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Registered: 16th Feb 09
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9th Apr 11 at 13:26   View User's Profile U2U Member Reply With Quote
Would dropping from 6th to 4th at motorway speeds cause high pressure within the engine?
It seems my oil filler cap burst off doing so.



Whats left of it



Splat



[Edited on 09-04-2011 by sc0ott]
Robo C20Let
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Registered: 22nd Feb 10
Location: Somewhere inside your mom !!!
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9th Apr 11 at 13:29   View User's Profile U2U Member Reply With Quote
vtec kicked in yo !!!!!!!
Steve
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Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
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9th Apr 11 at 13:29   View Garage View User's Profile U2U Member Reply With Quote
shouldnt do, breather blocked? could be worse if pressure is getting up there, valve seals etc



[Edited on 09-04-2011 by Steve]
Rob R
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Registered: 31st May 03
Location: Kent
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9th Apr 11 at 17:27   View User's Profile U2U Member Reply With Quote
NEVER seen that on a K20 before
jacko198
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Registered: 1st Mar 07
Location: Buckinghamshire
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9th Apr 11 at 17:39   View User's Profile U2U Member Reply With Quote
Happened on the corsa, emptied litterally everything. God knows why, loose cap, headgasket, blocked pipe? Who knows!
sc0ott
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Registered: 16th Feb 09
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9th Apr 11 at 17:42   View User's Profile U2U Member Reply With Quote
Only a pinch of oil was lost and i went about 10 miles before i checked.
Tried searching on google and i couldnt find anything. Weird.
richc
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Registered: 24th Mar 07
Location: Ilkeston
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10th Apr 11 at 08:46   View User's Profile U2U Member Reply With Quote
Might not have been on properly in the first place ?
Corsa_Sport21
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Registered: 13th Apr 08
Location: Leven, Fife. Drives : 205 GTi
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10th Apr 11 at 08:53   View User's Profile U2U Member Reply With Quote
It blew the top part clean off the threaded part richc.The threaded part was still in the cam cover.
Hes lucky it didn't work its way into the head.
sc0ott
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Registered: 16th Feb 09
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10th Apr 11 at 09:22   View User's Profile U2U Member Reply With Quote
It was tight on. I needed a hammer to get the thing loose last time i topped the oil up and i used the hammer to tighten it up again. Was definitely tight on.
Would a loose cap pop off though? If theres no pressure in the head then what difference would it make? Plus the only oil that was lost was a small drop where the cap burst off yet you would think there would be loads over the engine if there was pressure.
sc0ott
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Registered: 16th Feb 09
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10th Apr 11 at 09:23   View User's Profile U2U Member Reply With Quote
The 1st pic has whats left of the oil cap still intact.
2nd has it shown next to the hole.
Steve
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Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
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10th Apr 11 at 09:24   View Garage View User's Profile U2U Member Reply With Quote
it doesnt need to be tight like that !

most caps are designed to breathe a little anyway my guess is you damaged it tightening it up with a hammer

[Edited on 10-04-2011 by Steve]
sc0ott
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Registered: 16th Feb 09
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10th Apr 11 at 09:27   View User's Profile U2U Member Reply With Quote
By doing what? I didnt whack the thing shut. I would be surprised if i even marked the thing.
Corsa_Sport21
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Registered: 13th Apr 08
Location: Leven, Fife. Drives : 205 GTi
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10th Apr 11 at 09:28   View User's Profile U2U Member Reply With Quote
If you had to hammer it off.,then on,you have probably split the plastic where it has came away from the threaded part.Could have told you that yesterday if you had said.
sc0ott
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Registered: 16th Feb 09
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10th Apr 11 at 09:29   View User's Profile U2U Member Reply With Quote
Fingers were quite sore hence the hammer. I hand tightened it the time before that.

Like i say what difference would it make if theres no pressure.
Steve
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Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
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10th Apr 11 at 09:32   View Garage View User's Profile U2U Member Reply With Quote
there will be a small amount of pressure
Rob R
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Registered: 31st May 03
Location: Kent
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10th Apr 11 at 09:42   View User's Profile U2U Member Reply With Quote
The oil caps on them are a pig to get off, there's no comfortable way of gripping it to twist it.
sc0ott
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Registered: 16th Feb 09
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10th Apr 11 at 09:54   View User's Profile U2U Member Reply With Quote
Exactly so a few taps from a hammer isnt going to effect it, unless theres a specific way of tightening them using only the correct amount of fingers.
AK
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Registered: 5th Jul 00
Location: Aberdeen City
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10th Apr 11 at 10:29   View User's Profile U2U Member Reply With Quote
you hammered the oil cap tight

sc0ott
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Registered: 16th Feb 09
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10th Apr 11 at 11:13   View User's Profile U2U Member Reply With Quote
Was no tighter than what you can do with hand, but because the caps are shit to get a grip of i used a hammer.
SportBoy
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Registered: 5th Oct 01
Location: Retford, Nottinghamshire
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10th Apr 11 at 11:44   View User's Profile U2U Member Reply With Quote
lol plz make sure you do your oil cap to 300lbft.
sc0ott
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Registered: 16th Feb 09
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10th Apr 11 at 13:33   View User's Profile U2U Member Reply With Quote
Thats what i was thinking, Surely tightening it to the correct honda recommendations I would gain an extra 5 bhp

 
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