My car started making noises after it reached about 180 degrees and then it would stop then start even when the car isnt moving. all fluids are fine. mechanic said all belts look like they are moving fine and we would have to wait until something broke after driving away the charging system light came on
sounds like powersteering or tensioner kinda smells like hot glue like a belt is burning
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have the battery checked out with a carbon pile discharge tester , this will test the battery under load , then test the alternator to see if is charging ok, make sure the battery terminals and posts are shiny clean, check the back up light fuse and switch, and check air con fuse . if the battery is below 10 volts the engine may crank but it wont start.
If the engine is not reaching optimum operating temperature it will indeed give you a "check engine light",the code will lean you in that direction as well.The noise your hearing more than likely is coming from the "clutch fan",they are very common on the TrailBlazers to make noise and fail.The oil light... you certainly need to have the oil pressure checked with a mechanical gage.
fully charge battery and make sure everything switched off i.e rear window demist etc and take it for a run to get it up to tempature then park up rev engine at fast idle approx 2750 rpm for 180 seconds then take foot off throttle and allow to idle for 30 seconds this will clear your catalyst and get it up to the 600 degrees needed for it to operate properly this should remove the engine warning light
I think the first thing I would do is take the thermostat out and run the engine without it. If the engine stops running hot, try a 180 degree instead of the 195. As for the low coolant light, can you unplug the sensor and make the light go off ?
Check fan belt tension and/or coolant thermostat. When the engine is cold, no coolant flows through the engine. Once the engine reaches its operating temperature (generally about 180-200 degrees), the thermostat opens. By letting the engine warm up as quickly as possible, the thermostat reduces engine wear, deposits and emissions.
Honda's rarely overheat even when the coolant levels are low. Start by checking the coolant level in the radiator. The most effective procedure to check for leaks is to pressure test the radiator cap and the entire system. Also make sure the fans are working properly. One fan will kick on when the coolant temperature reaches a set degree and the other will only kick on when the a/c compressor is on. This type of system actually will cool the engine down better with the a/c on. Start the car cold and turn on the a/c. One fan should engage. As the engine warms up near 190 to 200 degrees the other fan should engage. While it is warming up, monitor the upper radiator hose. The thermostat should open around 180 - 190 degrees and you will be able to tell when the hose feels solid and very warm if you carefully grab it momentarily. If no problem is found, check for coolant in the oil and/or oil in the coolant as well as white smoke from the exhaust pipe which are signs of a bad head gasket.
High moisture with cheap belts would be a start. 2nd possibility is you have a bearing in an accesory drying out. Check water pump pully first with the screwdriver methode. Do not place on a moving part!!!