Check out my article on TigersUninted:
http://www.tigersunited.com/techtips/BrennanGauge/rt-BrennanGauge1.asp
Just out of curiosity, does your fuel gauge also read high? It could be
a failed panel voltage regulator, which would drive both high. Ways to
test it are in my article. It might be as simple as a poor ground on
the PVR, rendering it useless. It's grounded through its mounting
screw. Simply remove, clean the metal under it, and reinstall.
Also, if you have an ohmmeter, you can check the sensor, watching it's
resistance change as the engine warms up. When my sender failed, the
temp reading was low rather than high, but YMMV.
Chances are the gauge itself is ok, DO NOT try to adjust it's
calibration yourself.
I hope this helps.
Stu Brennan
-----Original Message-----
From: tigers-bounces+stubrennan=comcast.net@autox.team.net
[mailto:tigers-bounces+stubrennan=comcast.net@autox.team.net] On Behalf
Of Bill Waite
Sent: Tuesday, July 29, 2008 1:58 PM
To: tigers@autox.team.net
Subject: [Tigers] Water Temp Gauge Reading High
I have determined with a fair amount of certainty that my water temp
gauge (Mark II original gauge, not sure if exactly same as earlier
Tigers?) is reading too high. It shows a constant 205-210 when at full
temperature. But, it never "boils over" (13# cap on overflow tank) and
does not otherwise "act" hot in any way.
This morning, we used a good quality laser/infra-red temp gauge and it
shows 190 degrees at the base of the thermostat housing (with the dash
gauge at about 210). Checks at other spots like the radiator etc all
showed temps a fair amount lower than the 190 seen at the thermostat
housing (e.g. in 180 range). I believe I am running a 185 degree
thermostat (brain fade).
I do not believe that the temp sender on the manifold is the original
sender. In any event, assuming that I can confirm with a second test
(temporary install of another good sender/gauge) that the original gauge
is reading 20+ degrees too high, is the original gauge "adjustable?"
Or, should I be looking for a different (original style) sender?
Any tips would be appreciated.
Bill Waite
Grand Rapids, MI
Tigers@autox.team.net
http://autox.team.net/mailman/listinfo/tigers
http://www.team.net/archive
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