> -----Original Message-----
> From: stevef1@altavista.com [SMTP:stevef1@altavista.com]
> Sent: Sunday, June 18, 2000 1:55 AM
> To:   vanagon@gerry.vanagon.com
> Subject:      Re: FW: Diesel No Start?
>
>
> Fellow Dieselers,
>
>       There is a coolant temperature sensor in the water
> outlet
> (inlet?) on the transmission end of the cylinder head
> that tells the glow plug relay whether or not to activate the glow plugs
> when the ignition is first turned on.  In my experience ('82 Jetta D), it
> is a
> fault with that systen that causes the problem you
> describe.  Either the sensor is defective or the relay itself is.  Swap in
> a friend's relay and see
> if that clears it up.
>
>       There are probably two sensors on the water outlet,
> to determine which is associated with the preglow system,
> disconnect them one at a time and turn on the ignition.
> When the correct one is disconnected, the glow plugs
> will remain on for a very long preglow cycle.
>
>       Leaving the wire disconnected, by the way, provides a  temporary
> workaround to the problem.  However, glow
> plug life may be shortened due to the long heat cycle
> in a hot engine.
>
>       Good luck,
>
>       -Steve
>
> 90 Westie Syncro (to someday be a TDI)
> 82 Jetta Diesel (updated to 84 GLI specs except drivetrain and Audi 4000
> rear brakes)
>
>      -Steve
>      90 Syncro Westy