Could be the thermostat not opening
The primary cause of a thermostat malfunction is corrosion. It prevents the thermostat from opening and closing as it normally would.
the temp gauge will run ot then cool that is when the thermostat is opening again
The thermostat is not opening up enough,
The raditator fan temperature sensor has a lower set point than what the thermostat is opening at, if this is something new then suspect thermostat is opening late.
either faulty thermostat not opening soon enuff, or wrong temperature thermostat still not opening soon enuff
The top radiator hose is above the thermostat. If the top radiator hose is hot, the thermostat is opening. The thermostat is not the problem. Perhaps the radiator is clogged up or the water pump is bad. Look elsewhere.
if you take the thermostat out of houseing and the opening temp should be on it , around 88 degrees opening
Yesy - if the sealant got into the mechanism of the thermostat Yesy - if the sealant got into the mechanism of the thermostat Yesy - if the sealant got into the mechanism of the thermostat
According to the Gates Thermostat book, it's 92 degrees. Matt.
Thermostat may not be opening to allow coolant to flow through heater box. Thermostat may be opening too soon allowing cold coolant to flow through heater box. Either way thermostat needs replacing
The temperature gauge on a car fluctuates because the car's thermostat is opening and closing. The gauge goes up when the thermostat closes and the gauge goes down when the thermostat opens.
No it should fit into the housing along with the thermostat. Try putting the rubber in first, then the thermostat. remember the rubber is malliable so it will conform to the opening, then insert the thermostat
discovery 2 td5 thermostat starts opening at 82 deg c and is fully open at 96
not really. the only thing i would change though is the thermostat. Try to get a lower opening temperature thermostat.
Park the truck so the front end is raised or jack it up, to get the radiator opening higher than the heater core. Then bleed the system normally by filling and running, heat on high, until thermostat opens. Then refill and top off.
FOLLOW THE TOP RADIATOR HOSE FROM THE RADIATOR TO THE INTAKE, TAKE APART AT THE INTAKE OR NECK, THERMOSTAT IS UNDER HOSE OPENING
Insufficient amount of coolant or thermostat not opening
It doesn't matter. A thermostat is a non-serviceable item. If it is bad, you replace it. That probably isn't your problem though.
because your thermostat is opening and closing as the engine temp. fluctuates
water pump inoperative or thermostat not opening
The thermostat is located where the upper hose from the radiator attaches to the engine block. The two bolts or screws holding it, are through the flange of the thermostat. Since it also fits upside down, observe how the thermostat is located in the block opening before replacing it with the new one.
Cooling fan not working? Thermostat not opening? Plugged radiator? Water pump not working? Defective radiator cap? you have to bleed the thermostat
Low coolant? Thermostat not opening?
Your thermostat is probably not opening.