Re: [DML] RE: Frequency valve hose
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Re: [DML] RE: Frequency valve hose





I fixed the hose from the frequency valve and now I have the dreaded no start problem. The engine cranks but does not fire. The last time it started, though ran very rough, was when the hose to the WOR was leaking.  The only thing I did since then was replaced that hose and fix the hose from the frequency valve by shortening it, that's it.

I charged up the battery, checked for blown fuses and did the cold start valve on the cardboard check (yes there is fuel). Where do I go from here?

Steve



On Monday, December 2, 2013 6:37 AM, Martin Gutkowski <martin@xxxxxxxxxxxxxx> wrote:
 
It's true that a flexible line can cause an oscillation in pressure in the six injector lines where pressure is used to control flow and which varies by very fine amounts. However it is safe to replace all the others with standard rubber hose as long as it'll take 5 bar pressure.

My hose set is made from a semi-rigid thermoplastic, except for the one in question which is low pressure and I use standard fuel hose and an o clip for ease of install.

Best Wishes,

Martin
Sent from my BlackBerry®

From: "Tom" <dmctom@xxxxxxxxx>
Sender: dmcnews@xxxxxxxxxxxxxxx
Date: Mon, 2 Dec 2013 12:58:20 +0100
To: <dmcnews@xxxxxxxxxxxxxxx>
ReplyTo: dmcnews@xxxxxxxxxxxxxxx
Subject: Re: [DML] RE: Frequency valve hose

Yeah, some people have and that created strange fuel delivery problems that were extremely difficult to diagnose.
The fuel lines in case of the K-Jet need to be hard and they cannot stretch under pressure. Any rubber or similar fuel hose will not work. If you look at the inner construction of our hoses you will notice that there is a hard plastic line inside. The rest, all that black rubbery stuff is there to protect the inner hose.
Stick with high quality fuel lines meant for the DeLorean. Fuel lines like brakes are two areas of the car where you should not try to save any money on. It’s a safety issue.

Greetings from Poland!
Tom Niemczewski
Vin 6149 plus 2418, 3633, 5030, 16473, 17086
Google earth: 52°25'17.66"N, 21° 1'58.40"E
www.deloreana.com
 
 
Sent: Monday, December 02, 2013 2:41 AM
Subject: Re: [DML] RE: Frequency valve hose
 


Thanks Harold. I should have figured out that it was a hose barb since all the banjo bolts are hose barbed. Which brings up another question. Has anyone replaced their fuel line with hose purchase from their local auto parts store?

Steve



On Sunday, December 1, 2013 7:42 AM, "hmcelraft@xxxxxxx" <hmcelraft@xxxxxxx> wrote:
 
Contact ---- Martin Gutkowski [martin@xxxxxxxxxxxxxx] ---- for a new hose. His part number 102395A . It has everything you need.
 
It is barb type.
 
Harold McElraft - 3354


---In dmcnews@xxxxxxxxxxxxxxx, <jaegerstephen@...> wrote:

Happy Thanksgiving everyone. I believe I am on the last hurtle to getting my car back on the road. I had to remove the fuel distribution system to get at the clutch slave cylinder which is in and bleed and ready to go. I reinstalled the fuel distribution system and found a leak in the hose going to the WOR. Got a new hose, installed it and then found a leak in the hose from the frequency valve ( the shorter hose). I guess the 30 yr old hoses didn't like the jostling around.

I can't determine how this hose is connected to the valve. It is not a banjo or any kind of threaded connection and there is no clamp on it. Could it just be a hose barb? I want to be sure before I try and disconnect it. I don't want to damage the frequency valve, have you seen what those things cost?

Thanks for any help or suggestions.
Steve






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