Question about Mazda RX7
The light comes on mostly when it's cold then pops off as it warms up, I'm in L.A. so its not freezing
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Posted on Jan 02, 2017
you must drain air out of system
so when engine is warmed up, just unscrew slightly the thermo time switch which is the highest sensor and unit in cooling system besides the reservoir, until alittle air releases then when antifreeze starts coming out then retighten to specs. BE VERY CAREFUL !!!! LOOSEN VERY SLOWLY AND NOT COMPLETELY REMOVE FOR THIS CAN CAUSE BURNS. MIGHT WANT TO USE A RAG AROUND SENSOR. If this doesnt solve it then make sure you have the correct rad. cap. Also that the filling hose is not clogged as well as the little port on radiator.
Posted on Feb 19, 2009
Check the coolant top up reservoir. Low coolant sensor is usually in the overflow/reserve container.
Wash out and clean any dirt or corrosion from the sensor prong.
Refill to correct level with fresh coolant, then recheck alarm operation.
Posted on Jul 17, 2009
You're mixing coolant and oil. Probably lower
intake gasket leak if you're not running hot, otherwise could be head
gasket or other issue. Occasionally a cracked core in the radiator will do this too.
You need to have it taken care of, if you have oil in the coolant, you've also got coolant in your oil, the engine will begin to eat itself...
Posted on Oct 16, 2009
The problem is the low level sensor.It is just below the radiator fill neck.About 3 or 4 inches down on the passengers side.It is held in by a wire clip.The best way to replace it is to let the cooling system cool down so there is no pressure build up.There is an o-ring for a seal.What I do is lube the o-ring seal before installing the sensor so it goes in easier and the o-ring will not slide off.You can partially drain the coolant just below the sensor level or just remove the sensor and install the new one.You will loose a very slight amount of coolant if your quick enough.You should be able to get one at any part store and it should not cost to much.You can call ahead to the part stores and tell them your make and model number along with the engine size.I hope this helps and good luck.
Posted on May 29, 2010
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