[T3] Question on fuel leak today .

[William Jahn]

I replaced the fuel hose from the right side rail to the cold start valve.
Got an r9 fi rated hose had a thicker wall than the good German fi hose. I
used the same fi clamps,  even when tight I could still turn the hose on
the barbs yet saw no leaks. I used 5/16" Id hose think the German hose was
7.3 mm id. The bolt plug I had in was really tight and difficult to get
out. I need to run it and see if the new hose remains leak free . Also
pulled the battery to check level been a year it was fine.
On Jul 14, 2018 10:57 AM, "William Jahn" <willjahn975 at gmail.com> wrote:

> Since my cold start valve does not leak I'll just get another hose and
> connect it back up. Since my car was getting such lousy MPG I was told
> forget by whom to remove the line and plug it . I know some use that line
> for a gauge connect and I couldn't get at the clamp on the cold start valve
> so I just cut it which was my mistake. I can't say I trust R7 grade fuel
> hose in the engine compartment yet I think auto zone has ethanol rated
> hose. I don't check the fuel pressure at all other than a few times since I
> got this car and last time was after replacing the fuel pump to a 2 port
> one. It didn't change and I didn't expect it to, the pump has nothing to do
> with it directly.
>
>  Yes I was lucky I was in a parking lot . even then I was not sure right
> away what the no start issue was until I saw the fuel dripping . Beside
> that it being so hot and humid here standing out in the blazing sun was no
> picnic or was the idiot with his 5000 watt car stereo system cranked up to
> 10 .
>
> On Sat, Jul 14, 2018 at 5:03 AM, Jim Adney <jadney at vwtype3.org> wrote:
>
>> On 13 Jul 2018 at 12:44, William Jahn wrote:
>>
>> > Turns out it was a 5/16" 2" long bolt I used to plug the fuel line from
>> > the line that fed the cold start valve . I long ago cut that line and
>> > left enough to fit the fuel pressure gauge it's about 1 foot long . I
>> > have 2 clamps on that line to clamp the bolt/plug FI clamps and found
>> > the plug on the ground . I did this because I thought perhaps the cold
>> > start valve might leak ,it didn't . I also use that hose with the plug
>> > to connect the fuel pressure gauge rather than the port on the left
>> > rail .
>>
>> The best way to disable the cold start valve is to simply disconnect the
>> electrical plug. I don't recall ever seeing a CSV leaking, but I suppose
>> it
>> might happen. I don't know of a better way to plug an unused hose, but
>> leaving the end of the hose free to vibrate around probably made the bolt
>> more likely to be shaken loose. If you really want to continue doing
>> this, you
>> should find a way to stabilize the end of the hose.
>>
>> You're lucky this happened in the parking lot where it was easy to find
>> the
>> bolt.
>>
>> I've never found periodical checking of the fuel pressure to be necessary
>> or
>> useful. Keith is the only one I've ever heard of who has had problems
>> with
>> his pressure regulator; mine have all been "set and forget" adjustments.
>>
>> For Keith, I wonder if an occasional dose of Seafoam gas additive would
>> be
>> useful. It will clean accumulated gum out of the fuel system. I don't
>> know if
>> that's been his problem, but maybe so. $10 will buy 2 doses. It's worth a
>> try.
>>
>> --
>> *******************************
>> Jim Adney, jadney at vwtype3.org
>> Madison, Wisconsin, USA
>> *******************************
>>
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>
>
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