Trying to help a friend with his 740 no start issue, I isolated the problem to his fuel pump (Regina - main pump inside tank). Unfortunately, while trying to disconnect the gas lines, he broke a fitting. It's the one that has a 90 degree turn in it, that attaches to the middle fitting of the three, as you can see in this picture:



It's a plastic tube that comes out of the sender. It widens into about a half-inch wide cylinder at the end, and then the broken 90 degree fitting you see pointing to about 1 o'clock rotates within this widened cylinder.

Does anyone know:

a) if this 90 degree piece is removable?
b) can it be purchased separately?
c) which function each of the three tubes provide? (ie. send, return, ventilation)


--
David Armstrong - '86 240(350k km?), '93 940T(270k km), '89 240(parts source for others) near Toronto

Hi David,
I broke the same plastic el on my 94 940 regina. I recall (it's been 2 years) that it is a fuel line and I MacGuyvered my own solution with a short fuel line and a fitting I had lying around. I doesn't look great, but who will see it? I believe it is removable and will leave a metal tube stub to work from. I think there is a sleeve that slides down (toward the tank) and allows the fitting to be removed without damage. In this case, as with mine, I wasn't worried about damage and slid the sleeve in trying to pry the broken part off.
Hope this helps,
Palmer
--
1994 944na, 1980 265 V8, 1989 244, 1987 745ti

Thanks for the input, Palmer.

Do you remember if it was the fuel return line? (I wouldn't think that a fitting that rotates would be tight enough for a line under pressure from the fuel pump).

Can you explain what did you meant by "slid the sleeve in trying to pry the broken part off"?

David
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David Armstrong - '86 240(350k km?), '93 940T(270k km), '89 240(parts source for others) near Toronto

David,
I am really not sure which line it was, I do remember being concerned if my MacGuyver fix was going to hold or not. This makes me think it was the pressurized line. The "sleeve" I believe is the outside part of the remaining fitting in your picture. It looks like it is one solid piece, but again as my memory serves, it slid down toward the tank with a pop. It seemed to snap onto the body of the elbow and had some kind of a seal (o-ring) that gripped the tube stub that came out of the tank sender. I would carefully pry on it to see where it subtly moves to see where the pieces seperate.
Palmer
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1994 944na, 1980 265 V8, 1989 244, 1987 745ti

After much thought, the "sleeve" may have slid up or away from the tank, maybe you could find a gentle way to grab and pull the outside ring. Yeah, I'm in my 40's and don't remember as well as I used to. Before you more seasoned guys chime in, I KNOW, IT GETS WORSE!!
Palmer
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1994 944na, 1980 265 V8, 1989 244, 1987 745ti

Hi David,

First my disclaimer. This does not come from any specific experience with Regina pump. I'm just grateful to finally glimpse what you've been describing in your other posts.

The photo is so good, I feel like I can work on it myself right from the screen. You'd never attain that with those size-limited gallery files. It sure appears to me the little plastic elbow provides connection to the vapor recovery or vent system; that normally no liquid flows there. Don't know that, but that's what it looks like. You could certainly do some gymnastics and follow the little tube.

It also looks to me like the elbow is solvent welded to a nipple coming straight from the cap assembly. My first instinct would be to use a sharp angle pick to probe the area where that solvent weld would start, underneath the elbow fitting, to verify that is how it was assembled. Then I'd try to split it off the nipple with the help of a sharp knife, to see if what is left would mate to the hose. Then, I'm sure, the challenge would be to form or make that hose bend without kinking to reconnect it, providing it is indeed just vapor hose. Probably in the back of my mind is that "Help" brand parts collection you find in the chain auto parts stores, for a source of what might aid in reconnecting the vent.

Or, find someone with a 740 parts list, like a dealer's parts guy. Or visit the boneyard.
--
Art Benstein near Baltimore

Q. What do bulletproof vests, fire escapes, windshield wipers, and laser printers all have in common?

A. All invented by WOMEN!

Art:

Thanks for the response. I was afraid it would run the gauntlet again without notice.

This is actually a friend's car. Unfortunately, I was out of town, and didn't have time to get involved deeply. The friend had commuted with me for some time, and heard many a repair tale on how you can do your own maintenance on these cars. However it's one thing to dive in on your car and screw it up; it's a bit different if it's someone else's!

Anyway, you may well be right about the broken fitting being a vent. The broken piece (whose opening you can see pointing up at about 1 o'clock) actually rotates in the end of the widened tube. One would suppose this would mean that it's unlikely to be the outlet line (under pressure); and presumably a fitting that rotates may not even be a sound return line, although of course that wouldn't be under pressure, and I suppose gravity might even allow that to work OK. My friend said he followed that line, and it apparently attaches to a metal tube. That makes me think that it may not be a vent line, but I certainly don't know for sure.

The dealer looked at the same photo, and responded that a complete sender would be needed (surprise, surprise), @ about $700 CDN (surprise again!). I gave my friend the name of an independent, who quoted him about 2 hours of labour to R&R. The original fault was an intermittent fuel pump, so I recommended that whatever he finds inside (ie. loose wire), it may be advisable to replace the pump anyway ($105 at FCP). Hopefully this guy can jury rig the broken fitting, so it doesn't get too expensive.


--
David Armstrong - '86 240(350k km?), '93 940T(270k km), '89 240(parts source for others) near Toronto