[MrSurly]

Maybe it's trying to kick-start me to go next-level?
Yesterday I drove it a bit, to the office, out and about the town later. Stopped by my daughter's (she bought a house about a block from mine) for a bit and when I went to leave, It cranked as normal and started out the drive and in forty feet it stumbled and died. Hit the key, it cranks but does not light up; a No Start condition. Exactly as if it lost either fuel or ignition. I simply let it roll back into the driveway and then walked home, content to look at it later.
Of course the last thing done to the car was installing the fuel hat and two DW 300 pumps. So I suspect it is likely to be related; wire disconnected, fuse blown, something installed incorrectly... Note that there is no gas leaking under the car, no smells, no noises when cranking or when it quit. I did not listen for the pumps at the time.
I have not hooked up HPT to look at pressures or done any other diagnostics yet. Before I get home this afternoon and start looking, anyone want to offer a guess (or troubleshooting tips)?

 

[Blades1_99]

Maybe it's trying to kick-start me to go next-level?
Yesterday I drove it a bit, to the office, out and about the town later. Stopped by my daughter's (she bought a house about a block from mine) for a bit and when I went to leave, It cranked as normal and started out the drive and in forty feet it stumbled and died. Hit the key, it cranks but does not light up; a No Start condition. Exactly as if it lost either fuel or ignition. I simply let it roll back into the driveway and then walked home, content to look at it later.
Of course the last thing done to the car was installing the fuel hat and two DW 300 pumps. So I suspect it is likely to be related; wire disconnected, fuse blown, something installed incorrectly... Note that there is no gas leaking under the car, no smells, no noises when cranking or when it quit. I did not listen for the pumps at the time.
I have not hooked up HPT to look at pressures or done any other diagnostics yet. Before I get home this afternoon and start looking, anyone want to offer a guess (or troubleshooting tips)?

This sounds a lot what happened with me. I had the stock pumps fail.

So since I had to get new pumps, I went truly Bigger-Better.

Got the ALM hat put in along with new DWS 300s. Ran....then stopped. Turned out the internal hose blew out. Went to a stronger hose and no issues since.

The pumps were running, but nothing coming out.

Check hose in the hat.

 

[random84]

Yes, if the pumps are running with key-on, then the hose blew. I think there was a questionable batch of PTFE-compatible hoses that Adam got last year where there are sporadic failures, more so in higher temperatures. He has moved on to a higher quality source from what I understand, so reach out once you confirm and he'll take care of you.

@adam112

 

[Bluecoupe]

Fuel pumps were the last place you changed something...

 

[MrSurly]

Turned out the internal hose blew out. Went to a stronger hose

Be specific, please


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[MrSurly]

pumps run for two seconds at key ‘on’, no gas at rail at all.
So yeah, must have popped the line.
I’m going to hit the local parts house to see if they have the stuff generically.
I had bought the kit of those odd clamps along with their tool... I likely over-clamped it. I sort of expect to find it cut at (by) the clamp.
I have meaty mitts and (I’ve been told) a healthy grip. Sometimes I over-do it.


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[MrSurly]

Quick stop at the nearest parts house was a waste. Will try a couple others.
I know i’ve bought similar from the HD dealer for some FI mods but I suspect it was smaller ID and had a stupid Harley price.
I’m fairly expecting it separated at the clamp, so I might be able to just re-install the same hose... but I don’t want to open it up at my daughter’s house and not have a full hose at hand when I do. I need to locate a local source whether it’s Caddy or Caterpillar.


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[random84]

Those clamps are hard to over do it - it's possible the clamps are fine and the hose itself ruptured.

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[MrSurly]

Those clamps are hard to over do it - it's possible the clamps are fine and the hose itself ruptured.

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I agree. That’s why I want to have a replacement on hand before I tear into it.
All the local auto stores are useless.
As if they’ve never even heard of this type of hose.
I’ll get something going on it even if it’s the Harley shop or Amazon.
The Caddy dealer will get a call in the morning as well.


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[07GTS]

if this is in tank make sure the hose is to suit submersible as it has to be designed for it, all the external hoses the outer wont cope inside the tank and fail over time

 

[Blades1_99]

I'm

Be specific, please


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I tagged you in my post.

 

[MrSurly]

Super, thanks for that!


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[MrSurly]

I have have chatted w Adam, he can ship the upgrade hose but of course I’m hoping for something quicker and then (facepalm) I finally recall that indeed I bought a hose when gathering parts for the planned hat repair (per the write up).
I located those pieces on the shelf and the hose I bought, sent him the pics and details; it looks to be essentially the same as Adam’s upgrade hose.
it is much stiffer and no doubt a bigger pain to install...
This is the one I have

so i will plan to do this this evening.


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[Bluecoupe]

MrSurly:

This is what resides in my tank now--hope it's not the failure prone tubing:

 

[MrSurly]

MrSurly:

This is what resides in my tank now--hope it's not the failure prone tubing:

Looks like the same stuff.
(To be fair, I have not yet actually verified that's what wrong with mine)
It will be interesting to see what mine looks like. IF mine is burst in the same fashion as Blades' it will also be a commonality of DW300 pumps in use (not an excuse for low-quality hose)

What pumps do you run?

 

[Bluecoupe]

Stockers for now. When I change them, I'll be replacing that piece of hose...

 

[jcs003]

I have dw300 with Adam's hat

 

[MeanMike]

Looks like the same stuff.
(To be fair, I have not yet actually verified that's what wrong with mine)
It will be interesting to see what mine looks like. IF mine is burst in the same fashion as Blades' it will also be a commonality of DW300 pumps in use (not an excuse for low-quality hose)

What pumps do you run?

Did you put the new pressure regulator in that came with the dw pumps?

 

[MrSurly]

Did you put the new pressure regulator in that came with the dw pumps?

Yes.


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[MrSurly]

For those wondering what the Surly Coupe’s ALM-supplied hose looks like, here it is:

Over pressured?
or Chemically attacked?
I don’t know.

It was installed a few days ago and has been submerged in 91 Octane Non-Ethanol gasoline since install.


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