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type 3 oil cooler woes

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bugbrained Officially Full-On Dubber

368 posts · joined Apr 2006 ·

#506670
can anyone help me out just spent hrs replacing oil cooler seals on my type 3 wagon started it up and dang still leaking. mayb its not the seals its the oil cooler leaking . maybe the oil relieve valve , im installing the wrong seals , the red seals where there replaced them with the same type . any ideas with what could be wrong ?????:cry

LUFTMEISTER Veteran Volks Folk

2,041 posts · joined Jul 2005 ·

#506758
do not want to rain on your parade but......I would be checking for block cracks.usually around #3 cylinder. spray with degreaser, then wipe with clean rag, spray again and the cracks will show as fine lines. hope I am wrong. good luck.
Customer service is not dead in Australia.

Always after HAZET & MATRA & VW factory tools

Schmoburger Baywindow Mafia Godfather and Cement-Shoe Fitter

2,185 posts · joined Oct 2005 ·

#506798
And if this happens to indeed be the case.... you don't want to be running the engine anymore than is neccessary until the problem is fixed or the engine replaced... the cracks only get bigger, eventually resulting indirectly in a catastrophic loss of oil and hence oil pressure and a screwed engine. 🙁

case cracks are bad ju-ju indeedies! :puke
1976 Kombi Trakka camper, "Buttercup"... driver.
1976 Beluxe Microbus, "Saphir"... resto.
1974 Kombi panelvan, "George"... shed.
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bugbrained Officially Full-On Dubber

368 posts · joined Apr 2006 ·

#506832
okey thanks guys stripping it apart this morning having a good look this time . hope this isnt the case ( ahaahahaa no pun intended i can tell you :cry )

68AutoBug Beetle Restorer - Experience over 138\% - YIKES --

11,654 posts · joined Aug 2002 ·

#506833
Does Your type 3 oil cooler have an oil sender around the front of the engine?
My Beetle has a type 3 oil cooler [doghouse] and it has a sender around the front...
not sure where it would be on a tyre 3 engine, but when I first started My engine oil spewed from this oil sender as
it was leaking....
I just had a look, and the sender wasn't actually leaking, the sender screws,
into a solid square block, and a bolt goes thru the solid block, well the bolt did not have
a copper washer under its head, or between the solid block and the engine....
thats what fixed it....
Maybe this could be Your problem....
or You have a leaky oil cooler or oil cooler seals...
You must use the correct ones...
Red, green or ??

Lee

68AutoBug

[ Edited on 30-6-2006 by 68AutoBug ]

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- Helping keep Air Cooled VWs on the road - location: SCONE in the Upper Hunter Valley - Northern NSW 320 kms NNW of SYDNEY---

Volkswagenboy Staggers Automotive.

2,437 posts · joined Jul 2005 ·

#506842
If it turns out to be your cooler, I have one here. It used the green seals though.
-Staggers.
STAGGERS AUTOMOTIVE - Heavy Vehicle Diesel Specialist
JB CUSTOMS & CLASSICS - Car Builders
2/53 Tradelink Drive, Browns Plains

68AutoBug Beetle Restorer - Experience over 138\% - YIKES --

11,654 posts · joined Aug 2002 ·

#506867

Hi,
I have black, red and a pinky colour seals and they are all for the small holes....
I have green seals with the larger holes...

But on My engine I have the seals with small holes on one side and large holes on the other....

small holes on My 1500 engine block and large holes for the type 3 oil cooler...

You shouldn't do the oil cooler bolts up too tight either as the seals can compress in the centre
which can slow the oil flow down....

Lee
- Helping keep Air Cooled VWs on the road - location: SCONE in the Upper Hunter Valley - Northern NSW 320 kms NNW of SYDNEY---

1500S Custom Title Time!

1,418 posts · joined Mar 2005 ·

#506969
Have you put the correct aluminium spacer washers at bolt locations? If these aren't in place you will also compress the seals too much. If these spacers don't match the seals there will also be a leak.

DH

bugbrained Officially Full-On Dubber

368 posts · joined Apr 2006 ·

#506972
thanks for the input guys much appreciated . wellllll through process of elimination removed the tineware dellortos generator checked oil coiler again ( looks fine ) checked seals where seated properlly yup . degreased said block around 3 and 4 looking for cracks nope looked good there , bit of vibration grooves from tinware .
fitted oil cooler again being really bloody super carefull with seals so i didnt knock them out of place , left tin ware off this time fitted dellorto back onto head started her up and BINGO oil cooler leak yeahaaaa no cracked blocked. sorced oil coiler for a red back ( thanks for the offer staggers ) put her all back to-gether replaced the plugs degreaser the mtr completly , sweet as runs like a dream roars like a lion . just need a mate to tweek the twin dellortos for me 3 and 4 running just a little bit lean as thats the hot side so gotta be carefull there , and 1 and 2 running little to rich .
autobug i did notice there where no copper washers for said oil coiler so im taking tinware off again when i have a chance to get it powder coated will put copper washers in then . cheers for the advice guys i still smillin stoked in the way the 1835 goes 👍

68AutoBug Beetle Restorer - Experience over 138\% - YIKES --

11,654 posts · joined Aug 2002 ·

#507099
Hi,
Bugbrained,
The oil sender is painted Yellow...

the square block is green and the You can see the bolt that goes thru the block....
Its actually a hollow bolt and the oil flows thru it...
a very thin copper washer either side stopped it leaking.

Lee

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- Helping keep Air Cooled VWs on the road - location: SCONE in the Upper Hunter Valley - Northern NSW 320 kms NNW of SYDNEY---

bugbrained Officially Full-On Dubber

368 posts · joined Apr 2006 ·

#507183
thanks lee will check it out 👍