[T3] Blue Coil

[James Lingenfelter]

Thanks, I can't wait to check this out and see what I find. Might be  
a couple days before I can get to it due to work/family.

You mentioned a kit for 70-73..... this car is a '68, do have a kit  
for them?

On Jan 29, 2011, at 11:13 PM, Jim Adney wrote:

> On 29 Jan 2011 at 19:15, James Lingenfelter wrote:
>
>>      2. I THOUGHT it was ignition related since the worst running
>> I've witnessed occurred on a nasty rainy day. That was the ONE time I
>> could barely get it started.
>
> Rainy day may be the key here.
>
> Under your RF fender you can feel the gas filler pipe. Just behind it
> is a molded rubber hose that runs to the high point of the gas tank,
> allowing you to the fill the tank completely. These hoses never
> lasted more than a few years, so I replaced many of them while they
> were available from VW, but they have been NLA for many years now.
>
> That hose got dubbed the "overflow" hose, even though that's not
> actually its function. They develop tiny cracks that allow gas to run
> out under the RF fender when you top up the tank and spill gas out
> when you make hard left turns even if the tank isn't full. People
> will often stop filling the tank fully and take more moderate turns
> to try to avoid spilling gas, but the real problem occurs when water
> and dirt get IN the tank, rather than when gas gets out.
>
> If you drive in the rain with a cracked hose, you can accumulate as
> much as a half gallon of water in your tank in a 45 minute drive.
> This is just due to the wheelspray inside the fender when you're
> driving on wet pavement. The wheelspray will also contain dirt. The
> dirt and water will cause headaches exactly like what you're having.
>
> So, top up your tank and look to see if there's now gas running down
> the inside fender wall and onto the ground. Don't bother to look for
> cracks, as they are often too small to notice. Yours is either
> cracked or it isn't; in fact, you've either repaired it yourself, or
> its cracked, because none of them lasted more than a few years before
> needing replacement.
>
> A few years ago, faced with the prospect of NLA parts and a total
> lack of alternative solutions, I came up with a kit to repair this
> hose. My solution isn't beautiful, but it's in a place no one will
> ever see, and I think it's actually rather elegant, since it repairs
> both early and late cars (VW supplied 2 different parts) and it
> should last much longer than the OE part.
>
> The kit for 70-3 cars costs $30 (or $31 if you pay by PayPal)
> including postage. That includes the overflow hose parts, a second
> kit to repair the tank vent system, and all instructions. You need to
> repair the vent system at the same time because the steel lines used
> there have all rusted shut inside by now, so the cracks in your
> overflow hose have been your vent for the past decade or so.
>
> If you have a '71, check the vent line that runs across the top edge
> at the rear of the trunk. If that's steel, I'll need to send you some
> extra tubing to replace that also.
>
> -- 
> *******************************
> Jim Adney, jadney at vwtype3.org
> Madison, Wisconsin, USA
> *******************************
>
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