1989 mazda pickup b200 over heating, Help

cartrouble · 10-18-2009, 05:06 PM

I have a 1989 mazda pickup b200 and it started over heating. I flushed the system and put a new thermostat. still over heats. what else could it be? Thanks

bradrhale · 10-18-2009, 05:24 PM

bad water pump. did you flush the whole system or just part of it?? did you install the thermostat the right direction?? i have done that once before.

Crmzendrgone · 10-18-2009, 10:37 PM

Agreed with Brad or maybe your Rad. is clogged. Are your fans working(electric or clutch??)

duey · 10-21-2009, 05:03 PM

I had that same problem with my 93 dakota. I flushed the system and it still got hot so I sent it to a shop and they said the rad was stopped up at the bottom. It ran fine after they boiled it out. But its doing it again so I think I'll just buy another rad. Have no idea whats stopping it up. I have seen a couple of peices of gasket maker in the top before and guess that it came from back when I put a new waterpump on it. Thats the only thing I've ever done to the engine so it pretty much had to be. I don't understand how the water can go through like it did when I flushed it and it be stopped up. that didn't make much sense to me.

10-18-2009, 05:06 PM	#1
cartrouble Junior Member Join Date: Oct 2009 Posts: 1	1989 mazda pickup b200 over heating, Help I have a 1989 mazda pickup b200 and it started over heating. I flushed the system and put a new thermostat. still over heats. what else could it be? Thanks

10-18-2009, 10:37 PM	#3
Crmzendrgone Senior Member Join Date: Apr 2009 Location: Arizona Posts: 1,420	Agreed with Brad or maybe your Rad. is clogged. Are your fans working(electric or clutch??) __________________ ENGINES PRODUCE POWER. MOTORS RECEIVE POWER. https://lastroundbestround.com/Home_Page.html

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10-18-2009, 05:24 PM	#2
bradrhale Senior Moderator Join Date: Apr 2006 Location: Texas Posts: 8,024	bad water pump. did you flush the whole system or just part of it?? did you install the thermostat the right direction?? i have done that once before.

10-21-2009, 05:03 PM	#4
duey Junior Member Join Date: Oct 2009 Posts: 8	I had that same problem with my 93 dakota. I flushed the system and it still got hot so I sent it to a shop and they said the rad was stopped up at the bottom. It ran fine after they boiled it out. But its doing it again so I think I'll just buy another rad. Have no idea whats stopping it up. I have seen a couple of peices of gasket maker in the top before and guess that it came from back when I put a new waterpump on it. Thats the only thing I've ever done to the engine so it pretty much had to be. I don't understand how the water can go through like it did when I flushed it and it be stopped up. that didn't make much sense to me.