Please help with heat problem
I have a 1989 b2200 pickup thats been a great vehicle, but recently the heat stopped working, and it's sooo cold here. A couple weeks ago my top rad hose blew. So I changed both hoses and the thermostat. Everything was fine for a few drives, but then I noticed the heat output was getting really low and now it only blows ice cold air. All cables and switches are working properly, and I ran a garden hose through my heater core and the water went through it alright. My temp gauge stays in the middle when the truck is warmed up and it never overheats. One of my heater hoses gets warm(ds) the other stays cold(ps).
Today while my engine was running and warmed up, I took the heater hoses off one at a time, and there was no fluid moving through, jst steam. So now I think there is a restriction in my engine block. Please note, when I changed my hoses and thermostat I just drained the rad, not the block. Can someone please help, I have an hour drive to work everyday and it's really cold. |
RE: Please help with heat problem
clogged heater /radiator / inside car
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RE: Please help with heat problem
Could be an airlock?
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RE: Please help with heat problem
I my car it was a dirt
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RE: Please help with heat problem
what hose was there no flow the on into the heater core or the one comming out?
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RE: Please help with heat problem
First of all be sure that you properly mixed your coolant, most climates call for a 50/50 mix if to much antifreeze is in the mix then you you do not
get the correct heat transfer into you heater core. Secondly you'll want to make sure you bleed the cooling system of any air pockets, by first starting with a cool engine ,then start it with the radiator cap off this wayyou can monitor the coolant level and flow, make sure you keep an eye on the temp gauge and be ready to shut it off if it gets too hot. By looking down into the radiator when the thermostat opens you should see coolant flowing past the open radiator cap. Also make sure you have your heat set on high while bleeding the system, blower on high and mode set on face or vent, this way you can get a good feel to the temp coming out of the vents. A decent temp from the vents will be between 120-140 deg feh. |
RE: Please help with heat problem
try flushing your heater core!
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