Question about 2000 Mazda 626
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Posted on Jan 02, 2017
Sure, but you have to be able to handle the contents of the coolant system (roughly 2 gallons) and be prepared to refill it with fresh coolant. To replace it, drain the cooling system first. Remove the top radiator hose from the thermostat housing at the top of the engine. Remove the bolts holding the housing to the engine and then pull the housing up. It may be stuck and you will need to pry it up gently. Do not use a screwdriver under the housing to pry it as you will gouge the metal and cause a leak later. Often a few soft taps from a rubber mallet will loosen it. Note how the thermostat spring is set in the housing as that is the way the new one will go. You will need to remove all of the old gasket material and avoid letting it get dropped into the engine opening. I stuff a shop towel in the opening before I start scraping with a plastic scraper -again this avoids damaging the soft aluminum. Once the old stuff is out, put in the new gasket, put the thermostat in (you will have already bought it and have it on hand) cinch down the bolts to be snug but not overly tight as they can strip easily. Replace the hose (maybe with a new one since you've done the hard part?) and then refill the cooling system and test run to look for leaks. You will need to get the engine up to normal temp to allow the thermostat to begin working. Might as well change all radiator hoses if they are more than 3 years old at this point. Otherwise you will be draining the coolant system again to do it later.
Have fun with it.
Posted on Feb 15, 2009
This happened twice to me.Just replace coolant overflow container,buy new one not used .Always keep an eye on container , will happen again.
Posted on Apr 24, 2009
The problem is with the Blower regulator. It is a voltage divider to control the blower speed. when it is bad, it causes the circuit open, not deliver a current to the blower, so blower is not working.
Posted on Oct 28, 2009
shift cable or linkage is broke or poped off
Posted on Nov 17, 2009
Testimonial: "Finally had my very busy mechanic friend take a look last night and indeed that was the problem. Thanks so much!"
The transmission range sensor aka neutral safety switch is located underneath the air filter on top of the transaxle and very easy to access. Replace this part (around $50) and it will solve your problem.
What happens is this, when your tranny warms up, it disperses heat to the sensor switch and if its faulty or worn out, will send faulty relays to the transmissiom computer module (TCM) and makes the transmission shift irratically (OD to 3rd and back while driving at freeway speeds). You tranny is not overheating like most people believe, its the switch. Mechanics are telling alot of people that their tranny needs replaced. Watch Out For These People!! They only want your money!!
Posted on Feb 13, 2010
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