Posted: Sat Dec 18, 2010 9:41 pm Post subject: Engine temp ?
This past summer , I replaced the water pump on my 2000 LS . Yes , I also replaced the ( stupid ) plastic elbows and thermostat . I bled the system at the thermostat housing bleeder . My problem is the engine temperature ( according to the dash gauge ) seldom gets high enough to even move the gauge needle slightly . The only exception was one time in the late fall ( outside temp around 80 degrees ) and I got caught in a freeway traffic jam ( took one hour to go two miles ) . During this , the gauge moved up to almost mid scale . As soon as we cleared the traffic jam , it went back to it's usual place . When the heater is turned on , hot air comes out of the vents but it doesn't feel as hot as I think it should be . It also seems that the engine is very slow in getting up to it's usual temperature . Could the engine temp sensor have any effect on this or could the new thermostat be defective ? Also , the temp gauge was doing this prior to putting the new thermostat in ( one reason I replaced it ) . Any thoughts or prior experience with a similar situation ? Any and all help will be truly appreciated !
I have a 2000 LS - i've had a similiar experience as you describe and it was a defective thermostat . The lukewarm heat confirms the excess cooling caused by a stuck open t-stat. When I replaced the t-stat, the temp gauge read nornal operating temps and the heat from the vents got hot within a couple of miles.
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