[Vwdiesel] Rabbit Glowplug gap explained.

[Roger Brown]

LBaird119 at aol.com wrote:
>
> > These  German style BOSCH plugs are not simple glowplugs like found in
> > American machines.
>
>   I don't see where you come up with that.  They're just small heating
> elements
> in a shell.  Like a big water heater element.
>
> >  Failing to get him to do it I shall contact bosch and get the information.(
> > Hagar is a an electro nerd). At issue is the internal "CONTROL ELEMENT"---
> > what exactly does it do ? and what is the function of the "GAP"
>
>   The control element, IMO is the heating element.  "Control" likely refers
> to "controlling the temperature."  Just a heating element. They're not
> terribly consistent.  I've seen them where the whole end gets orange, just
> the tip, a spot in the middle or a spot to the side.  The last two are
> usually
> close to failure, certainly the last one.  The GAP is simply the space
> between
> the housing and the heating unit.  The housing is soft and part of a taper
> seal.
> Tighten it too much and you'll close the gap.  Close it too much and you'll
> crush the body of the element which will destroy it.
>   Nothing fancy that I can see.  If it works, and you don't/haven't
> overtightened
> them, then they're good.

Good description of the features at the bottom of this page:
	http://www.importcarpartsofcolorado.com/bosch.htm

--
    Roger