How to Diagnose and Replace faulty Glow Plugs on your TDI Diesel Volkswagen. This tutorial was created with Keynote 09, iMovie 11 and photographs taken with …
Volkswagen TDI Glow Plug Tutorial
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Thanks now i wil check my vw 1.9 tdi Golf.
Auto ranging multimeter, thats probably POINT461 or 0.461 ohms. :)
461 is VERY high for a glow plug resistance – they are usually under 1 ohm,
0.2-0.3 being normal. At 461 ohms, using P=I²/R that comes out as just over
a third of a watt per glow plug, or a current flow of 20 milliamps. They
tend to run around 10A/120W each! The tips of glow plugs on a VW TDI PD
engine such as in the video enter the combustion chamber just next to the
injector tip and provide a hot spot to aid initial combustion on a cold
engine. The don’t come on above about 4C coolant temp.
@antidescent A glowplug heats up part of the engine block (pre-chamber?) to
facilitate combustion in case of cold weather starts. More about this in
wikipedia.
I need to do this job on my passat 5B so this was very helpfull. Do you
know what the standard resistance is on these babies. Just in case they are
all bad and all have the same reading. One might come to the wrong
conclusion if only trusting the equal readings.
Isn’t that bad that the tip is missing? could it have bent a valve etc?
@carpediem1956 – I’m not sure what the nominal resistance is for the glow
plugs. I’ve learned from several others that this varies between part
number and vehicle application. I wish I could be more helpful. Just as a
side note, I took the readings off a 2005 BEW engine in a Golf.
I have a T-Reg 1.9TDI Mk4 Golf. When i start it first time its fine. But
say i pop to the shops, then try to start it again it wont turn over. I
notice there is the yellow coil light missing on the dash when this
happens. There is a switch installed to heat up the glow plugs/ or tell a
sensor sumwhere tht they are hot……This is due to a diesel pump problem
as far as iv been told. The car runs absolutely fine apart from this
starting problem. Any ideas? Nice vid btw!! Thanks. Benny
Definitely not good.
Really well presented, step by step instructions… Lovely
hi there. nice vid but i have a question. what is glow plug for? sorry