Question about 2002 Mazda 626

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My 2000 mazda 626 has lost all coolant but has not overheated

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Loosing coolant may trick the water sensor(will not show temperature as is not merged in water.The apearence of loosing all coolant also may be tricky,the coolant will stay at a lower level,mistaken as no coolant,as long as more than 50% of the cilynder is merged in water it will allow to cool down as u dont force it.

Posted on Oct 22, 2013


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Posted on Jan 02, 2017


SOURCE: Mazda 626

Hi Janieanip01,
Again we need more imfo....Is the vehicle injection?....If it is you'll have to wait until the fuel rail is re-pressurised before it will start....Crank it for about ten seconds at a time so as not to burn out the starter motor....It may be that the vehicle didn't run out of fuel but instead the pump may have given in....and when did you last replace the fuel fiter?
Regards Johngee10

Posted on Aug 10, 2008

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SOURCE: 1995 mazda 626 overheating

this appears to be a common problem with 626s. Assuming you have done the normal things: checked the coolant & thermostat the big culprits are the electric fans not coming on & the radiator being too small to provide any leaway if it gets clogged. make sure there are no leaves etc blocking it but it probably is scale build up inside.

Also be sure to check the overflow tank for cracks - they do that a lot particularly if they over heat

Posted on Oct 24, 2008

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SOURCE: changing the tail light bulbs on a 2000 mazda 626

The Tail Lights Are Accessed From The Inside Of The Trunk There Will Either Be A Panel Immediately Behind Where The Light Is Or Carpet. Remove It And It Will Give You Access To The Rear Of The Bolts Just Grab Twist And Pull And The Light Will Come Out.

Posted on Jan 26, 2009

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SOURCE: 98 Mazda 626 overheating. Blew off hose and was

Yes, this is most likely a thermostat problem.

As a basic explanation, the thermostat is the device which separates the hot coolant in the engine block from the cool coolant in your radiator. If it gets stuck closed, your radiator coolant will remain at near room temperature, while the coolant in your block (which is what your gauge reads) does not circulate and will skyrocket in temperature.

Posted on Aug 13, 2009

Testimonial: "Very helpful. Discription makes sense/logical explanation of symptoms."

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SOURCE: what is the oil capacity of a mazda 626 LX

2.0L - 3.7 quarts.
2.5L - 4.2 quarts.

Posted on Nov 28, 2009

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My 2002 mazda 626 was overheating. Replaced the radiator (cracked) and coolant tank (leaking). Still overheating. Its the thermostat or the water pump right? Which should I check first? Where how and what...

I would check the thermostat. It should be in the housing that the upper radiator hose connects to. I would take the thermostat and put it in a pan of water on a stove, if the thermostat doesn't start to open before the water begins a rolling boil, the thermostat is probably stuck closed.

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