Re: cooling system is being a pain. Info would help please

["cdmcali" <cdmcali@xxxx>]

how do I verify the gauge is correct?

--- In dmcnews@xxxxxxxxxxxxxxx, "content22207" <brobertson@xxxx> 
wrote:
> Stick in a new thermostat. If you get good readings on the second
> thermostat, chances are gauge is correct.
> 
> Car comes with two bleed lines: at high points of radiator and block
> (via heater core supply). These purge air continuously. Is a bleeder
> valve at high point of whole system (under thermostat), but is not a
> continuous purge. What many owners do is replace that valve with a
> hose barb and run one more bleed line to a tee inserted where block
> bleed empties into coolant expansion bottle. With all high points 
thus
> covered, all you have to do is fill (remember: 50/50 mixture cools
> better than pure antifreeze) and run the engine. System will bleed 
itself.
> 
> While you're working on cooling system, don't overlook what may be
> factory original hoses and seals, especially in hidden or hard to
> reach places.
> 
> John Hervey (www.specialtauto.com) sells otterstats with variety of
> temperature ratings.
> 
> PRV runs surprisingly warm. Long after engine shut down you're still
> burning your fingers. After you've verified gauge reading correct 
(and
> cooling system purged of air) rely on it, not radiant heat from the 
block.
> 
> Bill Robertson
> #5939
> 
<snip -- excess quoted material trimmed>