Aircooled VW South Africa

Ive noticed on my 1500 SP that there is an oil leak out of the crank pulley, at first I noticed oil on my vacuum advance canister which confused me for a while, all my searches state that this should never happen as the pulley actually sucks air into the crank case and therefore oil cannot escape.
Is this true? if so, how can my one be leaking?

thanks

Jaa,...but. I put a vent system in see attached and all clear,.......it's got to breath! Boet






Haans

It has a through back spiral on it and will only leak when standing with too much oil

OR

You have an undersized pulley.

Herman

it does push air into the case
if it is leaking, you have pressure problems, usually from worn rings

Thanks for the post, I actually noticed oil on my dizzy and also an oil stripe on the roof of my engine bay on the George trip.
The pulley is def throwing some oil around but its not dripping out.

Tony Z wrote: ↑Fri Feb 28, 2020 2:53 am it does push air into the case
if it is leaking, you have pressure problems, usually from worn rings

I tested compression on all cylinders and are all fine

retrovan wrote: ↑Thu Feb 27, 2020 10:16 pm

You have an undersized pulley.

Herman

looks stock to me, what should the size be?
oil level is personally checked by me and never too full

Haans wrote: ↑Thu Feb 27, 2020 5:36 pm Jaa,...but. I put a vent system in see attached and all clear,.......it's got to breath! Boet






Haans

your vent system is not clear from pics, elaborate please

Donovan D wrote: ↑Fri Feb 28, 2020 6:47 am Thanks for the post, I actually noticed oil on my dizzy and also an oil stripe on the roof of my engine bay on the George trip.
The pulley is def throwing some oil around but its not dripping out.

exactly my problem

Vents fitted to tappet cover,...see pic then pipe is relayed up to the EMPI collector box above the engine shroud also vent from altenator pedastal to box.
I think you need to check the little "baffle" in between the pedestal and the crank case,.....could be blocked.

I firmly believe in my contraption,....not expensive !

Talk to me if you need more clarity

Haans

See this


Haans

Haans wrote: ↑Fri Feb 28, 2020 1:17 pm See this


Haans

What size motor are you running, I just have a 1600 dual carbs...but oversized pulley.

John Alves wrote: ↑Fri Feb 28, 2020 12:23 pm

retrovan wrote: ↑Thu Feb 27, 2020 10:16 pm

You have an undersized pulley.

Herman

looks stock to me, what should the size be?
oil level is personally checked by me and never too full

You would have to take the pulley off and measure both, the manual gives a tolerance allowed.

Due to wear your pulley could be worn or an undersized after market pulley has been fitted.

Herman

Std sp 1600 engine,.....but I believe the case pressure buildup is too much to go via the std vent in the pedestal,..hence the breathing space via the tappet covers as well!
Traveled back from George in a "spirited" fashion with an anglia estate on my arse !......and the engine is bone dry!
Got it from FFR in CT

Check pulley sizing as per Herman,....if your issue started not long ago ,.......check the vent under pedestal as mentioned
Haans

could over heating also cause this?