> -----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 |
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