[Vwdiesel] glow cycle dysfuntion needing advice

[Bryan Belman]

I second Mark here.  Very common issue.
Just dis-connect the wire you will always get glow
cycle.
I could be timing.
My 92 1.6TD starts fine when just "warm" and when
"just" warm I do get a short glow cycle.
I account this to the different type of sensor.  Whem
I build up my 1.9TD for van, I am going to use these
sensors.
https://www.autohausaz.com/search/product.aspx?sid=dmi1h245o2pyyj55my3h3a55&makeid=800026@VW&modelid=1283486@JETTA%20GL%20TDI%20&year=1992&cid=16@Cooling%20System&gid=2204@Thermostat%20Housing/Water%20Outlet

Then use one of these as they seem to work better for
the GP circut.  Need to get the correct one for 91-92
diesel, these guys do not sell it but you can get them
for like $20.
https://www.autohausaz.com/search/product.aspx?sid=dmi1h245o2pyyj55my3h3a55&makeid=800026@VW&modelid=1283486@JETTA%20GL%20TDI%20&year=1992&cid=16@Cooling%20System&gid=4768@Radiator/Auxiliary%20Fan%20Switch

Bryan

--- mark shepherd <mark at shepher.fsnet.co.uk> wrote:

> As far as I'm concerned this problem is a 'normal'
> defect in the circuit 
> design. granny's GTD that I drove today did exactly
> this. Only because this 
> engine is in tiptop condition that it started. Once
> engine/coolant is at all 
> warm the elementry circuit does not fire up the
> glowplugs. Beter off 
> dismantling the coolant sensor andrelying on auto on
> everytimeignition is 
> switched on. Most circuits turn off as soon as car
> starts if not at starting 
> itself. I can leavethis car for 4 weeks and it will
> start in one rotation or 
> two of the crank with no smoke after 7 seconds of
> glowplug. Drive a mile, 
> drop the kids off chat for 20 minutes and car needs
> 3 or 4 seconds of 
> cranking...
> Mark(UK)
> ----- Original Message ----- 
> From: "raymond greeley" <rgreeley2 at hotmail.com>
> To: "Vwdiesel at vwfans.com" <vwdiesel at vwfans.com>
> Sent: Monday, March 10, 2008 7:01 PM
> Subject: [Vwdiesel] glow cycle dysfuntion needing
> advice
> 
> 
> 
> Hello all, the car is a 91 jetta 16v gasser that was
> converted to diesel by 
> th mech
> i purchased from, in may 07. It has a 1.9 with turbo
> and runs very well. It 
> has started well
> in this chicago winter though i only started it a
> dozen times as i was away 
> from chicago
> for most of the winter.  what it does is after being
> warmed up & shut down 
> for say 0 to 30 min.
> it will not go through a glow cycle and thus
> requires 10+seconds of cranking 
> to restart.
> I presume from bentley that the coolant sensor is
> reading warm and bypassing 
> the glow
> cycle. would a cold sensor show no continuity or an
> open circut.Am I correct 
> in believing it is the sensor on the motors back end
> closer to the firewall. 
> as i compare the wiring harness to the book it would
> appear to be color 
> coded correctly,say that fast. so....... I presume
> it is
> a sensor issue and wondered if could disconnect same
> until I am able to 
> purchase another.
> thanks, ray
> 
> 
>
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Bryan Belman, Pt Pleasant, NJ
04 Jetta Wagon TDI PD, 100hp, 5sp   -- running :)
82 Diesel Westy 1.9NA               -- running :)
92 Jetta 1.6 Eco-Turbo Diesel       -- running :)
90 Audi 200, 2.2L Turbo FWD         -- stripping for parts now :(
70 Type 1 stock Beetle              -- Not running well :(