[Vwdiesel] FW: tdi heat

[Gerry Wolfe]

Not sure about the 14F issue to start the coolant glowplug, at least on my
'97 Jetta TDI, it rarely gets that cold on Vancouver Island.  However, I get
lots of interior heat within a minute or so of starting up, long before the
temp gauge even starts to move, at temps well above freezing.

Side issue: temp gauge rarely got above 1/4 level, only hit 1/2 way when
under big load.  Had the thermostat replaced this fall with antifreeze
change, and now it quickly goes to 1/2 way and doesn't budge, come hell or
high mountains.  I am assuming that being stuck open (and always running
thru the rad) negated whatever the coolant glowplugs were doing.

rgds, g.

-----Original Message-----
From: vwdiesel-bounces at vwfans.com [mailto:vwdiesel-bounces at vwfans.com] On
Behalf Of Chris Geiser
Sent: January-05-12 4:10 PM
To: Vwdiesel
Subject: Re: [Vwdiesel] tdi heat

So after the responses here, I've been reading more about the coolant glow
plugs - sounds like they may not be working (04 Jetta BEW - manual
tranny).  The next time it gets cold, I'll check if there's current to the
plugs - from what I read, coolant glow plug system only comes on when below
14 F (and we're in a heat wave now with +40 predicted for tomorrow).

Also - If I put an Ohmmeter on the positive post and on the block, what
should the resistance be if plugs are good / bad?  Seems to me I remember
that being a legitimate way to check them if not powered by a common bar,
or if I disconnect the bar?

TIA again!!

CG
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