Question about 1986 Volkswagen Golf

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HOW TO SET THERMOSTAT TIMING OR CHECK THE FAN IS COMING ON, ON TIME?

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Kenneth Ella

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To testy a thermostat remove it and put it in boiling water it should open.

The golfs have a very comon problem of building up air and then they over heat, make sure the little pipe on the left top side of the radiator isnt blocked, and do the same where the little pipe goes into the water bottle if these are blocked it will build up air and over heat.

Posted on Feb 10, 2011

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3 Answers

Overheating! The van has new radiator, fluid, cap, heavy duty water pump, tsat, fan clutch. BTW the heads were redone not to long ago.


Did you change the thermostat? If not opening properly or far enough, that could be the cause of your overheating.

Use heater full blast with windows open to add additional cooling till you locate the source of the problem.

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2002 Honda Civic...The car is overheating randomly. Replaced the thermostat,and fan relays. Car runs fine and then randomly overheats with gauge going way up and then sometimes coming down.Overheating and...


RADIATOR COOLING FAN NOT RUNNING COULD BE BAD ENGINE.COOLANT TEMPERATURE SENSOR IS FAULTY IF COOLING FAN IS NOT TURNING ON AT SET TEMPERATURE OF 196 TO 203 DEGRESS.CHECK SEE COOLING FAN RUNNING WHEN ENGINE RUNNING HOT.IF YES FLUSH RADIATOR , FLUSH ENGINE BLOCK, HEATER CORE,REPLACE RADIATOR CAP.MAKE SURE YOU HAVE 50/50 ANTIFREEZE AND WATER IN THE COOLANT SYSTEM.CHECK WATER PUMP WEEP HOLE IF LEAKING REPLACE WATER PUMP. IF COOLANT FAN DONT TURN ON 196 TO 203 DEGREES, YOU HAVE FAULTY COOLING FAN,SHORT IN FAN WIRING OR ENGINE COOLANT TEMPERATURE SENSOR FAULTY.IGNITION TIMING WILL CAUSE ENGINE TO OVER HEAT.

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Ford Focus just had timing belt replaced now garage can't find a solution to car overheating when goes above 20 miles per hour


You may have an air pocket in the cooling system. Im not trying to bad mouth your garage but did they put all the hoses in the proper location? Did the change the wtr pump and thermostat when they did the timing belt?

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My car is run hot the fan don't be on when the car on it come on when I turn the car off and I just change my water pump and time belt


Please check the timing belt settings, possible it is set a little OFF and resulting in heating due to bad timing.
Secondly check the fan thermostat- thermistor sensor. This can be faulty as the fan is not coming ON. Check the fan relay and voltage from the relay.

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2 Answers

The car is running hot..we went to change the thermostat, but discovered it didn't have one in the line. What could be causing it to run hot??


check electric fans to see if they are coming on. and also make sure there is enough anti freeze in system. if fans do not work proper, check the fan relay if relay is ok. then the problem is either a bad wire or the fans itself are bad. to check fans-- take wire connector off of fans, then run a wire from positive on battery to positive on fan, ground other wire if need be. if fans do not run then thats your problem.

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My plymouth voyager is overheating and it has antifreeze and water in it? What could be wrong?


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1 Answer

My 03 honda ex is overheating. It does not do it all of the time. I have changed the radiator cap, thermostat, and bottom radiator hose. I check the amount of radiator fluid daily. Sometimes I have to put...


you did not state whether or not your electric fan is coming on all the time, check to see if your fan is operating properly , check all fan switches and temp sensors that are in the fan circiut... also check to see if your bottom hose is not collasping, and one more thing also since you have had the system open, some systems operate in reverse flow and need to be bleed of air pockets, look for a bleeder screw around the thermostat housing or pump housing... please rate my help , thanks

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Loosing water from my overflow bottle in my lantra 1995 - N reg and the car is overheating. Don't know where the leak is coming from - anyone any ideas?? Please


First, is the radiator fan coming on? If not, you will need to check fuse,sensor, relay and fan motor. Need to check thermostat for proper operation. If all is good, you will need to have radiator flush. Keep me informed and I can guide you so more.

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How do you know if your engine is overheating? the coolant says 210 degrees wut do i do


When your engine is operating normally, the temp on the gauge should be between 190 and 225. The thermostat is set to open at 190 and this controls minimum engine temp. If you sit in traffic the temp will climb to 225 and then the cooling fan will begin to operate to make sure that you don't overheat.You know that water boils at 212 but you have to add 10 degrees for every pound of pressure the rad cap is set to. Also your coolant has antifreeze in it which raises the boiling point even more. A normal overheat condition of your engine would be 300 or more. Does this help?

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