Weird cooling system issue
#1
Do Work
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Location: Richmond VA
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Weird cooling system issue
First, I have a 1988 turbo.
It has been overheating lately. The first time it did it I was out of town and towed it to a shop and they fixed a severly leaking hose. Picked it up drove it around, it worked fine. Drove it home (hour and a half down the highway) it was fine. Drive it the next day, it overheats again. Called the first shop they said get a diagnostic and get back to them.
I do so, and they say there are several leaking hoses. This shop is only like five miles from my house so I decide to try and get home and work on it myself. Pick it up, drive it and it works fine. Drive it the next day, fine.
Today I have time to look at it. And find that there is a leak somewhere in the system in the lower part of the engine, not worried about that yet, easy fix. But, once it starts getting up to temperature it starts spitting coolant out the valve near the thermostat. The thermostat is new, water pump is faily new. I can't think why it would do that. I am not the greatest mechanic so I need some ideas on this one.
It has been overheating lately. The first time it did it I was out of town and towed it to a shop and they fixed a severly leaking hose. Picked it up drove it around, it worked fine. Drove it home (hour and a half down the highway) it was fine. Drive it the next day, it overheats again. Called the first shop they said get a diagnostic and get back to them.
I do so, and they say there are several leaking hoses. This shop is only like five miles from my house so I decide to try and get home and work on it myself. Pick it up, drive it and it works fine. Drive it the next day, fine.
Today I have time to look at it. And find that there is a leak somewhere in the system in the lower part of the engine, not worried about that yet, easy fix. But, once it starts getting up to temperature it starts spitting coolant out the valve near the thermostat. The thermostat is new, water pump is faily new. I can't think why it would do that. I am not the greatest mechanic so I need some ideas on this one.
#5
I wanna go fast
Join Date: May 2006
Location: North Bend, WA
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wait.... valve by the thermostat? you mean the aux fan sensor or the weep hole in the water pump? have you checked your heater hoses?
AND ^ +1 get oem mazda thermostat, the aftermarket ones tend to get stuck resulting in a severely over heating motor or one that takes days to fully warm to operating temps.
AND ^ +1 get oem mazda thermostat, the aftermarket ones tend to get stuck resulting in a severely over heating motor or one that takes days to fully warm to operating temps.
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