[T2] Diagnosing bad fuel pump

[Ned Savoie]

Hey Kevin,

Symptoms sound to me like crap in the tank and/or filter. Have you tried
taking out the filter and breaking it open to see what's inside? I had the
same problems and it was flakes of rust.

Good luck.


Ned

--

Ned Savoie
Creative Director

Harbour Light Strategic Marketing
Savvy Software, Inc.
621A Islington Street
Portsmouth, NH 03801

[Telephone] 603.427.2821
[Facsimile] 603.427.0938
[Mobile] 603.828.2400


On Thu, Oct 10, 2013 at 10:17 PM, Kevin Guarnotta <kguarnotta at usa.net>wrote:

> Here is an update…
>
>
>
> I checked the fuel pump, and compared it to a new pump, and new “short
> rod”.
> The rod I had was definitely longer by about ¼” inch. Also the bottom of
> the
> existing fuel pump did not have something sticking out of it, like the new
> fuel pump. So I was thinking – aha, I found the problem, incorrect rod
> length. Not sure how long I’ve driven like that, but I’d say in the
> thousands of miles. Which seems weird to me…
>
>
>
> So I changed the pump, and rod (replaced the gaskets too). It then started
> right up. I then let it idle for a bit. Drove around the block. Came home.
> Tried it again, and it worked fine. So I thought I had solved it. It seemed
> a little hesitant around the block, but I was thinking maybe timing, or
> there is some air in the fuel lines?
>
>
>
> I then shut it down, let it sit for a bit longer, than tried the re-start,
> and it was tough, but it started. I’m not sure if I cured the problem or
> not.
>
>
>
> I have a fuel filter between the pump and the carb. This seems like it
> always has fuel in it? Which now makes me think it is the float problem as
> suggested.
>
>
>
> I’m going to try the carb again, and look at the “float & needle”.
>
>
>
> One question – and this may  have been causing the problems all along….I
> installed a fuel reserve tap on my bus, as I thought it would be an easy
> way
> to shut off fuel to the engine when pulling it out. I also thought it would
> be kind of cool to hook up a reserve fuel tank switch. I still have not
> installed the switch. I recall that these repro reserve switches are made
> backwards from original. So when looking in the Bentley  Section K4, pg.5 I
> see the reserve lever in position A is open, B is closed and C is reserve.
> If the new ones are reversed, does that mean A is reserve, B is still
> closed, and C is Open? I had mine in position A, not sure if that would
> make
> a difference or not. I have since switched it to C.
>
>
>
> I’ll try to make a couple test drives tomorrow. Hopefully the problem has
> gone away – I’m planning on a trip in it this weekend.
>
>
>
> One more question about vapor lock/non-venting cap, this should not be the
> problem, as it often occurs after fueling up, so the tank would presumably
> have plenty of air at that point, right??
>
>
>
> Oh yeah, I also added a pint of Sea Foam engine cleaner stuff, hoping that
> would help clean my carb-if that is the problem.
>
>
>
> Thanks for your help…
>
>
>
> -Kevin Guarnotta
>
> Jamaica Plain, MA
>
>
>
> ’78 Westy
>
> '69 Singlecab
>
> '65 Ez-camper
>
>
>
>
>
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