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 battybat
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| posted on May 2nd, 2005 at 10:25 PM |
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lot of oil in number 3 cylinder - any ideas
Hi
just took the head of 3 and 4 and found a fair bit of oil in number 3, plus a lot of burnt deposits that side - 1 and 2 were much better.
can understand the deposits cos of the oil, but seeing as it hasn't had any oil in the motor for a few months was a bit bemused by there being wet
oil in there - I have turned it over with a spanner a few times recently, but it hasn't been run for about 8 months now
I assume that if there's oil in the barrels it's getting past the rings, burning off and leaving the nasty black stuff in the head - yes?
or is it some weird and wonderful beetle thing that I haven't discovered yet!!
it's a 1600 single port btw - I was trying to get away without taking the barrells off, but it looks like I'm gonna have to...
any advice appreciated - before I have to take it apart even further
cheers
Terry
http://www.dtsband.com - Rock and Roll is NOT dead
My other car is a scooter, and it's in even more bits than my beetle. One day they will both be back together.......
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Chewy
Fahrvergnugen
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| posted on May 2nd, 2005 at 10:34 PM |
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Leaky valve stem seals??
Do a leak test on em.
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VWCOOL
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| posted on May 3rd, 2005 at 01:29 PM |
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It's leaked past the #3 rings while in storage. Oh, DO NOT turn the engine over while in storage, it wipes the oil from the bearings...
Pay your debts, CxxT
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Menangler
A.k.a.: Dave Becker
Custom Title Time!
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| posted on May 3rd, 2005 at 06:04 PM |
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| Quote: | Originally
posted by VWCOOL
It's leaked past the #3 rings while in storage. Oh, DO NOT turn the engine over while in storage, it wipes the oil from the bearings...
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I've not heard that one before???
FAHRVERGNUGEN;
Description of a pleasurable sensation,
Experienced when a car and it's driver are in mutual harmony, A unique driving experience, Pleasure, Satisfaction,
A feeling experienced by Volkswagen Drivers.
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VWCOOL
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| posted on May 3rd, 2005 at 06:23 PM |
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| Quote: | Originally
posted by Dave Becker
| Quote: | Originally
posted by VWCOOL
It's leaked past the #3 rings while in storage. Oh, DO NOT turn the engine over while in storage, it wipes the oil from the bearings...
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I've not heard that one before???
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You have now... I used to 'turn' my stored engines, too... Makes sense when you think about it
Pay your debts, CxxT
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battybat
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| posted on May 3rd, 2005 at 06:29 PM |
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happier with that idea, cos it means I don't have to do the stem seals - but it really doesn't explain the amount of burnt oil and carbon deposits
in the head
maybe I should do the stem seals seals anyway while it's apart, though it wasn't smoking when it was running, and maybe I should take the barrells
of too and have a look at the state of them, and the rings.
http://www.dtsband.com - Rock and Roll is NOT dead
My other car is a scooter, and it's in even more bits than my beetle. One day they will both be back together.......
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manxed69
A.k.a.: Steven Vanes
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| posted on May 3rd, 2005 at 11:52 PM |
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Maybe I'm showing my ignorance hear (but I'm not going to remove my rocker covers to check), but I don't think that I have valve stem seals in my
1600TP. I didn't think that the VW engine needed them as the valves were horizontal???
By valve stem seals I mean an umbrella shaped seal that sits under the valve springs. I have changed them in other cars before.
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battybat
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| posted on May 4th, 2005 at 08:39 AM |
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according to the haynes manual they do! they'd have to really, even horizontal oil would sneak down them and end up in the combustion chamber
http://www.dtsband.com - Rock and Roll is NOT dead
My other car is a scooter, and it's in even more bits than my beetle. One day they will both be back together.......
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type3lover
A.k.a.: The Smashed Repairer
Insano Dub Head
in the garage...
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| posted on May 4th, 2005 at 06:03 PM |
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I've also been told not to use the valve stem seals supplied in rebuild kits etc. The engine doesn't need 'em if your valve guides are good. They
just break down over time and cause more trouble than they're worth. Can anyone verify this?
Cheers!
Toby
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Menangler
A.k.a.: Dave Becker
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| posted on May 4th, 2005 at 06:31 PM |
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Yes ,
You usually find them in the oil strainer after the 1st or 2nd oil change, waist of time fitting them.
FAHRVERGNUGEN;
Description of a pleasurable sensation,
Experienced when a car and it's driver are in mutual harmony, A unique driving experience, Pleasure, Satisfaction,
A feeling experienced by Volkswagen Drivers.
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manxed69
A.k.a.: Steven Vanes
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| posted on May 5th, 2005 at 09:50 PM |
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I also suppose that a little bit of oil on the guides can only lenghten their life because of the extra lubrication. I don't use excessive oil or
blow smoke so the rubbers don't seem to be required.
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Kombi_Rescue
Wolfsburg Wizard
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| posted on May 5th, 2005 at 10:03 PM |
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the oil deposits that you see are a result of fuel grade and engine tune..ie poor grade fuel and an over advanced engine will cause the oil that
normally runs in the bore to be burnt..therefore deposits usually no3 is the heaviest deposit...the rings on the engine will most likely be
fine..check the compression ratio fuel grade[std unleaded i have found causes this deposit] and your ignition timing...best of luck..did you hear your
engine ping under load as this may point to the ubove explaination.have you noticed oil consumption?. hope this explaination makes sense..cheers DSK
member Steve
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