Where to put the thermostat on a Nissan Quest V6?
Clean all mating surfaces thoroughly, be careful not to gouge or score the aluminum. Insert the thermostat in the engine with the top of the thermostat facing out and the “jiggle valve” at the 12 o’clock position.
Why is the engine thermostat in the closed position?
The flow of coolant does not cycle through the radiator unless it is hot and needs to be cooled. When an engine is cold, the radiator fluid is cold, so the thermostat is in the closed position. When the engine starts up, and the coolant warms.
How do you change the thermostat on a radiator?
Here’s how: Place a bucket (or some sort of container) underneath your radiator. You’ll have somewhere between 4 to 8 cups of fluid pouring out, so don’t skimp on the size of your container. At the bottom of the radiator, there should be a draining screw or cap (technically, it’s a radiator drain cock). Twist this to the left, opening it up.
What to do if your thermostat is sticking on your car?
Turn off the engine and feel the two thermostat hoses that connect the fluid tank with the engine. Check the top and bottom hoses. The lower radiator hose should be hotter than the top. If somehow the top one is hot then there could be blockage issue.
Where does the thermostat housing meet the radiator?
The thermostat housing is right where the radiator hose meets the engine housing. It looks like half of a metal baseball. When the thermostat becomes stuck, it is reasonable to simply replace it. Also, when the thermostat housing is removed, the housing gasket should be replaced even if you’re just checking it.
Clean all mating surfaces thoroughly, be careful not to gouge or score the aluminum. Insert the thermostat in the engine with the top of the thermostat facing out and the “jiggle valve” at the 12 o’clock position.
How can I tell if my thermostat is set correctly?
Check your box’s location, since placement in direct sunlight or in front of drafty windows and doors can greatly affect correct temperature regulation. Determine if the anticipator is set correctly. If you have a mechanical thermostat, check for a little metal tab that is mounted to a round dial on the inside.
What happens if your car thermostat is stuck closed?
Learn more… Your vehicle’s thermostat opens to allow coolant to flow through the radiator and cool the engine down. However, if the thermostat gets stuck in the closed position, the coolant can’t flow through the radiator and can make your engine overheat.
How do you replace a Nissan thermostat housing?
Remove the two bolts holding the thermostat housing in place using a socket wrench. Remove the bolts and then pull the housing off. Remove the old gasket. You may need to use a paint scraper to remove all of the old gasket from the surface of the housing.
Where is the Jiggle valve on a Nissan Quest?
Insert the thermostat in the engine with the top of the thermostat facing out and the “jiggle valve” at the 12 o’clock position. The jiggle valve allows any air trapped in the system to bleed through and is vital to the success of this repair, so don’t mess this part up!
How do you remove a thermostat from a car?
Jiggle valve on the right. With the housing off, it can be removed with the mating surface down and the hose opening facing the rear of the vehicle. This is tricky and took several moments to achieve, but can be done. The thermostat will likely remain in the engine and can easily be removed separate from the housing.
What should I use to replace the thermostat on my Nissan Quest?
The jiggle valve allows any air trapped in the system to bleed through and is vital to the success of this repair, so don’t mess this part up! Apply a conservative amount of the proper silicone based RVT sealer to the thermostat housing. I use ultra-grey high temp.
What should I do if my Nissan thermostat is still hot?
Remove the air cleaner to give yourself easier access to the thermostat housing. Never disconnect any part of the car’s cooling system while the engine is still hot. The coolant inside will be under pressure and can cause serious injuries or burns if released from the system.
Insert the thermostat in the engine with the top of the thermostat facing out and the “jiggle valve” at the 12 o’clock position. The jiggle valve allows any air trapped in the system to bleed through and is vital to the success of this repair, so don’t mess this part up!
Jiggle valve on the right. With the housing off, it can be removed with the mating surface down and the hose opening facing the rear of the vehicle. This is tricky and took several moments to achieve, but can be done. The thermostat will likely remain in the engine and can easily be removed separate from the housing.
What to do if your thermostat is faulty?
If you are undertaking this procedure, I trust that you have diagnosed the thermostat as faulty. Start this repair with the vehicle cold. Remove the negative battery cable. You will lose radio presets and other vehicle memory settings, so if these are important, take note and jot them down or take some pics. Remove the radiator cap.
If you are undertaking this procedure, I trust that you have diagnosed the thermostat as faulty. Start this repair with the vehicle cold. Remove the negative battery cable. You will lose radio presets and other vehicle memory settings, so if these are important, take note and jot them down or take some pics. Remove the radiator cap.
How do you change the thermostat on a Nissan?
With the engine cool, place a bucket under the draincock of the radiator (located on the driver’s side of the radiator) and open the drain. Allow the radiator to drain for 10 minutes (you do not have to drain all of the fluid).
With the engine cool, place a bucket under the draincock of the radiator (located on the driver’s side of the radiator) and open the drain. Allow the radiator to drain for 10 minutes (you do not have to drain all of the fluid).