Question about 1999 Mazda Protege

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Replace thermosts on mazda.

How do I replace the thermostat on a mazda proteze. it looks like its under distributor or some thing and I'm not sure if I should take all that stuff apart.

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The thermostats are usually underneath where the top radiator hose leaves the motor to go into the radiator hope this helps regards Jim

Posted on Apr 27, 2009


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Mazda etude familia not producing spark to the engine while the distributor has a spark

The rotor under the distributor may be bad, pulled the cap and turn the engine over look at the rotor and make sure its turning. If it doesn't turn the distributor gear maybe sheared, timing belt or timing chain may have come off.

Dec 18, 2013 | 2003 Mazda MPV

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Mitsubishi l300 thermostate where?

Follow your upper radiator hose to where it connects to your engine, your thermostat is right under that housing. Its right under the thing that looks like this:


It may have an extension, but this is the general looking thermostat holder/housing.

Dec 06, 2013 | Cars & Trucks

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Replace thermostat in 1996 mazda B2300

Follow the top hose from the radiator to the top of the engine. That point is where the Thermostat is located. Make sure the car is fully cooled. Remove the hose at the engine and catch the antifreeze that dumps out. You cant dump that down the drain. There will be a fixture under that hose that needs to be remove. two or three bolts. Under that fixture is the thermostat. Pull it out and replace. Put it back together and you are good to go. Refill the radiator, test and top off if need be and you are done. Keep in mind you may have to remove a couple of things like the air intake.

Dec 31, 2012 | 2007 Mazda B2300

2 Answers

2000 mazda mpv overheating with new water pump and hoses?


If you car is still overheating with new water pump and new hoses, there is still a few other things that can cause your over heating problem. Now, by you replacing water pump is good that you took care of one of the main things, however here is some other things to look at.

Number One, is your thermostat. Sometimes the thermostat gets worn out, and will not open and close properly, it is designed to open under a certain temp, but it could be stuck or warn out.

Number two, is check out your radiator, can put under pressure test, but best thing to do is a radiator flush, and see if flows proper. Sometimes the radiator core/coils get clogged.

Number Three. Check to see if your fans are coming on and proper speeds, normally as car gets to a certain temperature, they will kick into high speed.

Last thing, is make sure you have no head gasket leaks, as this could cause over heating, best way to check that, if its not obvious is, pressure test.

My opinion what I would first check, is the water thermostat and then radiator flush, if fan is working.

Thanks Mike.

Sep 08, 2011 | 2000 Mazda MPV

1 Answer

I need to know exactly where the location of the thermostate is in my 1994 mazda MPV. Can anyone help me? I am trying to change it.

Follow the lower coolant line from the radiator to the engine and the thermostat will be under that housing. Hope that helps you.

Aug 05, 2011 | Mazda MPV Cars & Trucks

1 Answer

Where is the thermostat located at on the Mazda Millenia 2000?

you didnt give the engine size this is the 2.5. you have to remove the air box assembly to access the thermostat. its under the distributor. when you replace it make sure the little jiggle valve on it is located towards the top when you replace it. this aids in air removal here a picture to help identify it. hope this helpsonetufshoppe_101.gif

Feb 02, 2011 | Mazda Millenia Cars & Trucks

1 Answer

Leack in the antifreez from thermostat

Replace the thermost, and make sure you seal it well (RTV)

Oct 08, 2010 | Mazda Protege Cars & Trucks

2 Answers


The first thing to check would be the coolant level, do this when engine is cool, if its full of coolant then my next step would be to make sure the fans are turning on, the most common thing would be a thermostant, you may want to start there and then see if it still overheats, if it does then take alook at the electric fans, if they are not turning on you may have a bad sensor that controls the fans to turn on at a certain temp,that part would be the coolant temp sensor, but start with the thermostant and checking the coolant level.

Aug 29, 2010 | 1999 Mazda 626

2 Answers


follow both hoses to the engine at the end of the correct hose you'll have a screw clamp take it off and take off the cone metal tube cover(it looks like a half bowl and a 2 to 3 inch tube on it) it should have 2 screws on on each side the Thermostate is in it.

Dec 22, 2009 | 1993 Mazda MX-6

3 Answers

Temperature gauge goes up and down while driving

Temperature sensor is in intake manifold.
Water is not flowing smoothly through the manifold.
2 immediate things to try........
1. Replace the thermostate (about 6 dollars). If you drive the car to an Autozone for the thermostate purchase, they will show you where it is located and how to replace it.

2. Flush (thoroughly) the cooling system. No shortcuts here, buy the flush and follow directions. Have the heater turned on HI.

After the flush, fill with 50-50 antifreeze-water.

Problem within engine are done. Other issue MAY be the sending unit (as your Autozone guy about that... it looks like a spark plug and takes about 3 minutes to replace.

Nov 28, 2009 | 1999 Chevrolet K1500

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