[T3] Puff of smoke

[Bryon Garvin]

If the cold start device is working when it shouldn't, is that because the
thermo switch is malfunctioning ?

 - Bryon, '71 Fastback

On Fri, Apr 22, 2011 at 2:51 PM, Bryon Garvin <spinningrooves at gmail.com>wrote:

> Yes, it's FI/MT
>
>
> On Fri, Apr 22, 2011 at 2:47 PM, Dave Hall <dave at hallvw.clara.co.uk>wrote:
>
>> Over years of owning aircooled VWs, I've had this happen occasionally.
>>  The
>> brief puff of (oil?) smoke can happen at each cold start over a few
>> months,
>> then just as suddenly stop happening.  It may be aggravated by being
>> parked
>> on a side slope.
>>
>> In an attempt to rationalise this, here is my theory:-
>>
>> The rings rotate in their grooves, even though we take care to space them
>> evenly when assembling!
>>
>> Inevitahly, the ring gaps will occasionally line up at the bottom of a
>> cylinder and allow a small amount of oil into the combustion chamber,
>> which
>> burns off when the engine next starts.
>>
>> It has occurred over such a long period without anything worse happening,
>> so
>> I don't think it's anything to be worried about.  You can keep an eye on
>> the
>> oil level to check it's not burning a significant amount.  If not, no
>> worries.
>>
>> If it is actually white smoke, that suggests excess fuel - maybe your cold
>> start device is operating when it shouldn't (FI engine?).
>>
>> Dave.
>> UK VW Type 3&4 Club
>> ===================
>>
>> -----Original Message-----
>> From: type3-vwtype3.org-bounces at lists.vwtype3.org
>> [mailto:type3-vwtype3.org-bounces at lists.vwtype3.org] On Behalf Of Bryon
>> Garvin
>> Sent: 22 April 2011 19:33
>> To: type3 at vwtype3.org
>> Subject: [T3] Puff of smoke
>>
>> Hi all -
>>
>> Sometimes, and I mean like maybe 1 out of 25 starts, I'll get a puff of
>> white smoke out of the tailpipe.  I never have continuous white smoke
>> after
>> that initial start.  Is this something to be concerned about ?
>>
>> I blasted two guys sitting at a sidewalk cafe the other day :(
>>
>>  - Bryon, '71 Fastback
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