kevin2012

The vacuum cleaner hose like oil hose from the oil cap was leaking oil near the oil tank end. I am planning to replace this hose with a normal oil hose.
My concern is that this hose is routed inside the frame. I am not sure how I can route the new hose from the oil cap position to the oil tank.
May I ask if anyone had done this before? I really need some help. Before that , my 993 is grounded.
Cheers.

kevin2012

vincer77

Mine has started to leak also.

deekay911

You mean the collapsible funnel that fits inside the filler tube? Most people take those out and forget about them as they can disintegrate and bits find their way into the oil system...

nine9six

I thought the same thing, but the photo says no...

KNS

When you remove the old hose attach a (strong) string to the opposite end at the tank and pull it through. Once removed you should have a length of string running from the oil filler location to the tank. However you do it make sure the string is secure while both removing and replacing.

Attach the string to the new section of hose and draw it through the opening and to the tank.

Sort of like doing a clutch cable or throttle cable...

OverBoosted28

Be thankful, if it wasn't leaking somewhere, you'd have NO oil.

kevin2012

Thanks for the tips. Will try to source the appropriate replacement hose first.
Yes, i am lucky that I spotted the leak in my car park when I was doing cleaning in the wheel arch and not in the highway or somewhere far away from home.
Maybe it was because I tried to clean it and cracked it but it is old and weak anyway. And it is a PITA waiting to happen. Better change it ASAP.

I should drain the oil from the tank before changing this hose, shouldn't I?

Cheers.

bcameron59

Are you looking at the hose at position #21 in diagram below? If so, part # is 993 207 212 02.

If not, can you clarify which position #from the diagram?

kevin2012

Yes, the hose 21 is cracked and leaking oil near the oil tank end.

Thanks and Cheers

bcameron59

To answer your other question, yes, I would strongly recommend that you drain the oil tank before doing this repair. Otherwise when you take that hose off, you will have an Exxon Valdiz experience.

kevin2012

I am ordering the new parts from Pelican parts.

This is only my opinion being a 993 owner in less than 2 months. I am thinking that 993 is not a well designed car and I am quite disappointed. Hope this is only me. This hose from the oil cap to the oil tank is just one example ( I had to replace the fan belt and the alt belt 2days after I got the car), I am wondering
1. Why they had used such a vacuum cleaner like or the washing machine like hose to handle hot oil.it becomes brittle and easy to crack.
2. Why it is connected to the bottom of the oil tank and not top of the oil tank? If it is connected to the top of the oil tank, I will not loose much oil even it cracks and leaks.
3. Why it is routed inside the frame? It makes the replacement very difficult. If you are installing the new hose and just pull a bit harder the new one will tear and you need to buy another one again.

I am lucky that it was happened in my car park and not when I was driving on the highway. It could be a catastrophic failure when it happens on the highway because I can loose most of the oil in a short time of period.
Anyway, I had already brought this car and I have to live with it. I strongly suggest you gentlemen to check or replace this hose if it is still original.
Cheers.

KNS

I wonder if the part could be substituted with a quality rubber hose. Perhaps a rubber hose might kink inside the body cavity (and you wouldn't see it). The "vacuum cleaner" style hose probably keeps its shape without kinking.

I've owned three air cooled 911s and while the 993 is complex, it is a fantastic car. The problems you're encountering could be found on any 20 year old car.

Please let us know how your replacement of the hose goes. A bit of advice: not sure if it will help or not. Before installing the new hose remove the grommet first (No. 22) so you're not trying to squeeze the new hose through it. Once the hose is pulled through slip the grommet back around the hose and back into the body. Hopefully it;s not harder than it sounds. Unfortunately with the tank there you don't have a lot of room to work.

911F1

Found another post.

https://rennlist.com/forums/993-foru...placement.html

KNS

^^ Great find! Does not look like a fun job but at least it has been done before.