RE: OT: 626 overheating and blowing coolant

From: knox.james@sympatico.ca
Date: Mon May 31 2010 - 23:36:41 EDT


Thermostat stuck in closed position
 
Jim : 91 Dak
 

> To: dakota-truck-moderator@bent.twistedbits.net
> From: rob@schultzfamily.ca
> Subject: DML: OT: 626 overheating and blowing coolant
> Date: Mon, 31 May 2010 09:47:13 -0400
>
>
> Guys:
>
> Looking for opinions on an issue with my wife's 2000 Mazda 626, 2.5L V6
> 5spd.
>
> Last year it started to overheat occasionally. Since there's no idiot
> warning for the temp, and the temp gauge is hidden by the steering wheel
> rim, we'd stalled it right out once due to the temp.
>
> Thinking it was a leaking hard gasket we swapped engines with a unit
> with about 2/3 the mileage.
>
> 6 months later, the car starts doing the same thing. It's overheated to
> stalling once and frequently when my wife backs into the garage it will
> leave a trail of coolant from the overflow reservoir. The reservoir
> appears to be full (it was actually over full for a few weeks there).
> I've never noticed it leaking coolant when I drive it (of course! ;-).
> Only when it's backed into the garage at home.
>
> So, is there anything it could be besides the engine? Rad cap? (you know
> that would piss me off eh?)
>
> Water pump is new (changed when the engine was installed), rad is
> original AFAIK (bought car used at 3 yrs/124,000 km/60,000 miles).
>
> Rob S.
>



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