[T3] Blue Coil

Sat Jan 29 17:21:25 PST 2011

Oh, you think maybe fuel issues now?  ;-)

On Sat, Jan 29, 2011 at 7:15 PM, James Lingenfelter
<jimmyandcher at yahoo.com> wrote:
>  I could see something like this being the problem. Is there an "easy" way
> to diagnose a carb problem of that sort, or does it mean a mandatory tearing
> apart of the carb? One of the many symptoms of this problem was backfiring
> through the passenger side carb.... does that make any sense?
>
> Here's a recap of what I know (or rather DON'T know) so far.
>    1. The problem can be very intermittent, with more than a month of
> perfect running between the first two episodes (the car being driven daily).
> Now it no longer seems to be intermittent; it's here to stay apparently.
>    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.
>   3. Until the last two episodes, it appeared to be totally random, and not
> temperature related in any way. It could occur after driving many miles, or
> it could be nearly impossible to start and run horrible from the get-go. Now
> the last couple of drives, I made it the exact same distance before running
> into trouble.
>   4. I'm ASSUMING that I'm not experiencing more than one unrelated problems
> at the same time. I've had this car 7 years, and it's been a daily driver
> that whole time, and maintained in a way that I could hop in it and take a
> 2,000 mile trip at any time if need be..... in other words, this isn't
> something I just pulled out of a shed after 20 years of sitting, trying to
> work the bugs out.
>
> After the drive today, something is telling me fuel issue. I've had so many
> instances over the years of getting rust-clogged fuel filters, and today,
> for the first time, that's what it felt like.
>
> On Jan 29, 2011, at 4:33 PM, Keith Park wrote:
>
>> Float sticking on one side? Or maybe the needle isn't seating properly?
>> If your overflow hose on the tank is bad and water is getting into the
>> tank
>> it could clog up your filters or carbs just as it would the FI system.
>>
>> Keith
>>
>>
>> Top Notch Restorations
>> topnotch at nycap.rr.com
>> http://www.a383ina68.addr.com/radiorest/main.htm
>> 71 Squareback "Hothe"
>> 65 Notchback "El Baja Rojo"
>> 65 Squareback "Eggcrate"
>> 87 golf "Winterat"
>> 93 RX7 "Redstur"
>>
>>
>> -----Original Message-----
>> From: type3-vwtype3.org-bounces at lists.vwtype3.org
>> [mailto:type3-vwtype3.org-bounces at lists.vwtype3.org] On Behalf Of James
>> Lingenfelter
>> Sent: Saturday, January 29, 2011 9:28 PM
>> To: type3 at vwtype3.org
>> Subject: Re: [T3] Blue Coil
>>
>> This car is Weber 34 ICT's, no FI.
>>
>> Everything in the ignition system has now been checked and is ok,
>> except possibly the distributor itself? It's a vacuum advance. I had
>> one go bad years ago, but I don't recall what problems it caused.
>>
>> If I have time, the next thing I'll look into is the fuel pump. If
>> that's the problem, I've never had one behave quite like this.
>> They've always left me stranded with no warning in the past.
>>
>> On Jan 29, 2011, at 4:08 PM, Keith Park wrote:
>>
>>> Well, by replacing parts you may have introduced another problem
>>> that is
>>> masking the original, or perhaps adding to it.
>>>
>>> If you can work the points with a screwdriver (shock hazard, hold
>>> with an
>>> isolated handle) and you get consistant strong spark then check the
>>> inline
>>> resistors, OK?  Run it at night... no light show?  Then your
>>> ignition is
>>> probably fine.
>>>
>>> Stick a fuel pressure gauge on it, that will eliminate that
>>> possibility if
>>> that's good.  Carefully wiggle connectors,  have you cleaned the
>>> trigger
>>> points?  Once warm try swapping out the head temp sensor with a 100
>>> ohm
>>> resistor but I doubt that's it.  It's a matter of isolating things
>>> down to
>>> what is working and what is not.
>>>
>>> Do you have my FI FAQ?
>>>
>>> Keith
>>>
>>>
>>>  Results of latest test drive: Once again, I let the car idle in the
>>> driveway about 15 minutes, then drove about 1 mile before problems
>>> began; but this time the results were totally different than the last
>>> test drive. THIS time, instead of 2 cylinders suddenly shutting down
>>> and then returning 10 seconds later, I began to feel a gradual miss
>>> which slowly developed into violent bucking under throttle; but idle
>>> remained fine, whereas it wouldn't idle at all last time..... EXACTLY
>>> as if the car is not getting fuel. Fuel filters are brand new and
>>> clear; Fuel pump (electric) is nearly new and hasn't shown any signs
>>> of failure.... but from my experience with fuel pumps, it is still
>>> suspect.
>>>   I am back at square one. Diagnosis between the pre-coil and post-
>>> coil drives are 100% different. Unfortunately at this point, I may
>>> have to dump the car off at a shop and let them isolate it. It's a
>>> daily driver, and my wife and I are short one vehicle while I
>>> frantically replace parts and follow various rabbit trails.
>>>
>>> On Jan 29, 2011, at 10:23 AM, Keith Park wrote:
>>>
>>>> Yep, same company that makes the auto trannies too.
>>>> The coil and condenser (capacitor) are a matched pair, as is the
>>>> coil and
>>>> the ballast resistor if it has one.  Ill be the stock T3 condensor
>>>> is not
>>>> the match for the Borg warner coil and hence the problem.  The coil
>>>> itself
>>>> is probably fine.
>>>>
>>>> Keith
>>>>
>>>>
>>>> Top Notch Restorations
>>>> topnotch at nycap.rr.com
>>>> http://www.a383ina68.addr.com/radiorest/main.htm
>>>> 71 Squareback "Hothe"
>>>> 65 Notchback "El Baja Rojo"
>>>> 65 Squareback "Eggcrate"
>>>> 87 golf "Winterat"
>>>> 93 RX7 "Redstur"
>>>>
>>>>
>>>> -----Original Message-----
>>>> From: type3-vwtype3.org-bounces at lists.vwtype3.org
>>>> [mailto:type3-vwtype3.org-bounces at lists.vwtype3.org] On Behalf Of
>>>> Mark
>>>> Fuhriman
>>>> Sent: Saturday, January 29, 2011 1:37 AM
>>>> To: type3 at vwtype3.org
>>>> Subject: Re: [T3] Blue Coil
>>>>
>>>> On Friday, January 28, 2011, Jim Adney <jadney at vwtype3.org> wrote:
>>>>>
>>>>> On 27 Jan 2011 at 18:06, James Lingenfelter wrote:
>>>>>
>>>>>> OK, I just removed the now notorious "scummy black coil" from the
>>>>>> squareback. Some scrubbing on the side revealed it is a "Borg
>>>>>> Warner"
>>>>>> coil. Don't know much about these, I'm thinking maybe they were
>>>>>> OEM on
>>>>>> some American cars? Any way, there is a Bosch coil on the car
>>>>>> now  and
>>>>>> it is running as I write this.
>>>>>
>>>>> I don't know anything about B-W coils. If I remember, I'll try to
>>>>> ask
>>>>> someone tomorrow who might know something about them.
>>>>>
>>>>> Well, I asked him today, and he never heard of B-W making coils. We
>>>>> agreed that they were probably made by someone else and marketed
>>>>> with
>>>>> the B-W name and we'd never seen one. Quality unknown....
>>>>
>>>> I have an old Borg Warner coil that I pulled off a junkyard Type 3 a
>>>> number of years back.  I keep it around as a spare for my car.
>>>>
>>>> I wonder if this is the same Borg Warner that made radio sets in the
>>>> early 1900s.  Anybody know (Keith)?  I have an old B-W radio here
>>>> that
>>>> I want to get working.
>>>>
>>>> Mark
>>>> '69 Fastback
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>>>
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>>
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>
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