2004 dodge 2500 slt qhad cab 5.7l hemi,takes a while for heater to blow hot,i just had coolant flushed ,
temp gauge allmost red lines with heat then goes back down to unde normal temp
blowing cold ,then starts to heat normaly,i noticed when i step on the gas it produces
well of course...that coolant takes some time to heat up to where the thermostat opens up and the heater core is circulated with coolant...perhaps your t-stat is stuck open...that'd do it~
or just stuck~
should not go so hot before opening~
you could check the temperature at the inlet...in the middle and a the exit to see if the radiator is doing it's job...replace the clogged radiator~
hey thanx, makes cense to me ,i didnt have thermostate replaced ,ill replace it and tell ya how it whent ,cheers
you know I've bought one of these themo-spot guns...and not only does it tell the temperature...it's backlight with a blue LED...hasn't got an OFF button...kinda bothers me, but my kitty cats chase it like it's cocaine~
Sounds like the thermostat is sticking. My '93 Caprice was doing the same thing right after I had the cooling system serviced. I had been unlucky and got a defective thermostat. Replaced the thermostat a second time and all was well again. HTH. -Jim
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