[DeTomaso] erratic water temp gauge

[Peter Kovacs]

In other cars, I have experienced similar problems when the water level was low. Some cars when dry read very low on the guage because there is no water flowing across the sender. When the hot water works its way around, the guage rises refelct the heat of the water that passed over the sender. Be sure your water level is full and there is no air in the cooling system.......otherwise your warm fuzzy feeling of low temps on the guage will be replaced by the anxiety of funding a rebuild.
 
Peter Kovacs
Property Equity & Mortgage Mgmt
209 345-6708 
209 523-4919 fx




________________________________
From: Tom Di Iulio <tomdiiulio at gmail.com>
To: pantera list <detomaso at realbig.com>
Sent: Thursday, April 16, 2009 10:08:39 AM
Subject: [DeTomaso] erratic water temp gauge

hey all,
the past few years i've experienced an erratic performance of my water temp
gauge. the gauge will register expected temps and then drop to zero, then
back up again. sometimes it's fine for quite a while and sometimes it won't
register at all.
i know the engine is hot when the twin sucker fans come on, no worries
there.
i've replaced the temp sending unit (twice) and the condition continues. i
suspect a loose or faulty wire somewhere along the route from the sender to
the gauge OR a faulty gauge.
my question is......can i just run new wires direct from the sender to the
gauge as a troubleshooting method? it seems if the gauge stays steady, i
know it's the old wire.
if the gauge continues to perform erratically, then my focus would be on the
gauge.
and if the new wire fixes the issue, then i'd probably just leave them
connected.
your thoughts?
tom di iulio
denver, co
"bound for big bend next week"
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