928ntslow

I am normally very good about making things work that don't work and I am very patient and methodical when I work on cars.. That may not be the case here. This 82 Euro is giving me a real work out mentally. It's late at night and I am frustrated, so bear with my whining please.

I think I figured out the issue with the hard start and the poor engine power. The plunger in the fuel distributor was frozen in place. I found this out when I rebuilt the distributor.

Did this over a week ago and I still don't have the thing running. It's been one little nightmare after another...I will spare you the story and details since I took the disty apart.

Straight up, the fuel disty keeps leaking gas. I have removed it 3 times already to fix it and I STILL can't get it to stop leaking. I used the Permatex Indian Shellac each time and it doesn't seal worth a damn. I first tried the thin layer as Rich A described in his write up. Leaked like a strainer. I even torqued the T bolts to 48in-lbs in a pattern working from the center out. The next time I took it all apart and used thicker coats of sealant on ALL surfaces (top half, lower half and even dressed the diaphragm plate on both sides) for a perfect seal. Now it leaks out of the TOREX bolt holes at the top of the disty.(which is the bottom of the bolts as they are upside down when installed) I was going to pull the T-bolts and dress them, but I don't think I have the mental capacity to endure another leak session if this try doesn't work.

For those that haven't worked on CIS, it is a royal PITA every time you have to remove and reattach the many fuel lines. It is something you have to experience to appreciate for a lack of better way to say it. IT SUCKS!!!!!!!!!!!! I would think you other CIS guys would be inclined to agree if you were in my shoes.

Has ANYONE with success in rebuilding their FD and made it NOT LEAK please speak up and share the knowledge??? I am about to shoot my F**king car!!!!

I am a patient mechanic, but as I said, this is kicking my ***! I think i made up some new foul language today too!

largecar379

No Keith, I haven't rebuilt mine, but the more you take your lines apart (and reattach them), the more the ferrals and holes become deformed......

As you probably know, be careful how "tight" you tighten the lines.......

You can do one of my fuel line tune ups the next time you have this stuff apart, it's pretty easy and makes a difference in getting the cylinders to perform equally.

First, I suggest cleaning up the line ends (ferral) with emory cloth (or similar) to remove ridges from the seating surfaces.

Then, using a small drill bit and working up to larger ones, drill out the line openings to where all of them are the same size. You can also do this for the lines to the WUR and cold start injector. Be careful to use a slow speed drill for this, making sure you don't get the bit jammed in the line or punch through a line wall......

You'd be surprised at how many CIS folks have no clue about servicing their fuel lines......

I know it's off topic, but I thought it might help while you're sorting out your distributor worries.....

--Russ

Mrmerlin

Kieth are there copper sealing washers, on this assembly? If so try heating them with a torch they might be work hardened. If not then try another type of sealant , locktite makes a PTFE thread sealant its white use a little bit on all of the bolts that go into the FD, also try getting some 600 grit paper and dressing the fuel lines or use a small dressing stone if it will fit, to remove any burs on the fuel lines, i know its tedious but thats the fun of eh JK

IcemanG17

Keith
That sucks......I remember someone saying "I rebuilt the CIS once, I'll never do it again! Just buy a rebuilt one" It seems to ring true for you too.....bummer.....the good news is once its "done" it should last a very long time....longer than an LH + all the sensors anyway!!

928ntslow

Thanks Russ, but the fuel lines are fine with no leaks. Yea, it doesn't get any easier screwing and unscrewing these things, its just a lot to do to get that darn fuel distributor in and out JUST to see if it works properly.

So back to topic!

ADDED: Thanks guys but forget about the fuel lines and fittings...they are all fine. It is the fuel disty itself. There are no copper rings inside of it.

I certainly don't remember seeing any sealant when I took it apart....strange that I would have to use it when I put it back together.

largecar379

Keith,

I do remember someone here saying they sealed their dist with some kind of aftermarket sealer, but can't recall exactly what it was....

"search" maybe.......(Geeezzz, I hate to suggest that.)

--Russ

928ntslow

Yea, I have everything in line with where it needs to be. There is no real trick as far as I can tell with these, it's just the leaking. Now that you mention it, I may just try it dry as all mating parts appear to be machined immaculately. Hmmmmm.... I think Rich got much of his info from the Bosch CIS manual, so I just went with the advice.

Mrmerlin

can you use a stone on the mating parts to check for burs or was a half possibly dropped and thus deformed?

LT Texan

Keith,

For this, I think you have to either search the 928 mail list archives. Or sign up and ask Jay.

Dan

LT Texan

please elaborate

John Veninger

I have. Use Permatex Aviation Form-A-Gasket
http://www.permatex.com/documents/td...rial/80019.pdf

Dennis Wilson

Keith,

May want to check my response(s) on your last post. PM me if you want more details. BTW you have beat JK as he broke down and bought a rebuilt after two attempts.

Dennis

Chuck Schreiber

Hey Dennis, Keith,

Can't find the file that Rich Andrade sent me, but it is a PDF on the how to's of rebuilding a CIS fuel Dizzy. Rich attempted to rebuild it and ended up having a guy out of Georgia do it. I talked to that guy on the phone and had about an hour long conversation with him on it. He said that most people could not rebuild a fuel dist if they wanted to. This guy has been rebuilding them since the 70's and talked about tricking them out to deliver more fuel, working properly without leaks, yada, yada, yada. Seemed to be a CIS guru. I'll try to dig up his name and #.

BTW, if Jay Kemph cant rebuild a fuel distributor, I doubt that anyone else here on the list can!!!

John Veninger

see #12

Chuck Schreiber

Ok Found it.

Try calling this guy Keith. Larry Fletcher 251-929-3771. He is in GA. somewhere and knows his $##T about all things CIS and Fuel Distr Heads.

Good luck!!