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Author Topic: glow plugs  (Read 5645 times)

October 04, 2005, 04:29:23 pm

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glow plugs
« on: October 04, 2005, 04:29:23 pm »
my rabbit takes forever to start when its cold but when its warm it cranks on the first hit.  I think I need glow plugs how do I know if I have fast or slow ones.  Its a 81 rabbit non turbo diesel...
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Reply #1October 11, 2005, 05:50:58 pm

vanagondiesel

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glow plugs
« Reply #1 on: October 11, 2005, 05:50:58 pm »
Try using a bypass switch which forces the plugs to stay on longer.  Make sure the glows are not burned out.  Make sure the fuse on the firewall is not burned out.

Bump the timing up a bit.
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82 Vanagon L diesel, 89 Jetta diesel, 82 Caddy Diesel, and 16 various other A-1's, A-2, and Passat gas powered.
Reply #2October 12, 2005, 02:58:35 am

fatmobile

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glow plugs
« Reply #2 on: October 12, 2005, 02:58:35 am »
Fast have golden tops, slows have silver tops.
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Tornado red, '91 Golf 4 door, with M-TDI 12mm pump, south bend clutch, VNT-15 turbo, 02A trany
MK4s: 2000 TDI jetta, 2003 TDI wagon, 2000 golf 2.0 gasser.
'84 Rabbit with 1.7TD KY block pistons bored to 80mm, VNT-15
'84 GTI with stock 1.6TD starion intercooler.
Reply #3October 12, 2005, 06:26:05 am

BlackTieTD

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glow plugs
« Reply #3 on: October 12, 2005, 06:26:05 am »
my 1982 NA had slows before i changed over to the fast system. if i were to guess i'd say your car is slow glows.

check the fusable link on the firewall first...you'd be surprised it might just be that (which you can hard wire in a pinch to get the car started).

if you suspect faulty relay, wiring, or something other than the glow plugs themselves, grab some wire, a fuse (60amp i think) and jump power to the glows direct from the battery. give them power for what you think is the same amount of time as the relay would, and crank. if it starts better now then maybe its not the glows themselves, but the electrical system supporting them.

i just replaced the 2nd-cylinder plug on the weekend with the hardlines/pump still installed. i hate getting at that one! ..but it can be done.
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