I did this on my old bunker-burning-bunny - V1978.  There was 
a "fast glow plug kit" that VW sold at one time.  
There is MORE to change than the plugs.  The
other required part(s) involved at least a new relay 
(probably time delay with a different value).

- Frank

 >>From P.J.Kenny
 >&&Well, I haven't a *clue* what a glow plug looks like - or where
 >&&the lil' critters reside in the engine bay.  My friend said
 >&&that a plug costs around fifteen pounds apiece and that I may
 >&&have to replace only the faulty ones.
 >
 >I paid approx. us$13 for each of the "fast" plugs--see, there are fast & 
 >slow, recognizable by the color of the ring--this can be seen from the 
 >outside, it's right where the "glow plug bus bar" connects to the glow 
 >plug.  (Bentley sez:  replace 'em at 60K (mi))Fast=silver; Slow=brass.
 >The FLAPS/FLARS said no price diff, so I bought fast ones.
 >(Then I discovered that my glow plug in-line fuse was the 
 >problem--located underneath a little plastic cover; directly in-line 
 >with the large red wire which gives power to "glow plug bus bar").
 >
 >The glow plug slightly resembles a spark plug from the outside; the 
 >inside part is a small (2-3cm) carbon tip, which when power is applied, 
 >glows.  
 >
 >You'll find your glow plugs directly underneath the injectors, which you 
 >(or the mechanic) must remove to access them.  (Bentley sez:  get new 
 >injector heat shields when removing/reinstalling injectors)  
 >
 >I temporarily obviated the problem by plugging in my block heater; yet 
 >after spending $50+ and realizing I only needed to spend $0.70...sheesh! 
 >(at least I now have 'em!)
 >
 >John K. Hopp
 >University of New Mexico
 >'70 Kombi
 >'92 Jetta EcoDiesel
 >

-------------------------------------------------
Frank Terhaar-Yonkers		fty@vislab.epa.gov
Martin Marietta Technical Services/U.S. EPA
P.O. Box 14365,	 Mail Stop 4201-2,  RTP,  NC  27709
voice - (919)541-2297		fax - (919)541-3967

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