It is a round canister hoses held on with fuel line clamps. It's not going towards hot at all. When replacing the thermostat use Indian Head gasket seal to hold the new thermostat in place so it does not shift and fits snugly in the housing…. There is a metal tubing in the middle of that top hose that leads to the thermostat housing. Faulty Frontier thermostats stick open or closed and cause serious problems.
The thermostat also ensure the coolant system pressurizes enough to draw the heat out of the coolant. We see way too many stories about brand-new thermostats from Pep Boys or Auto Zone that don't work the way they should. These systems do not have a cap and rotor. All are easily accessible and easy to replace The blower motor resistor card is located under the glove box. Unscrew them both and pull the wires and card out.
Remove housing, clean, insert new thermostat, add silicone to housing and install everything back. Once the belt is out, remove the idler pulley bracket, by removing the two bolt on the right side and one nut on the left side Yellow arrows Once the bracket is out remove the radiator hose bolt and then the 3 bolts holding the thermostat housing. I understand that's a biggie! I have gotten many parts from them, always the correct ones with normally 2-4 choices of brand, type, oem or not, and warranty. Or you can remove the radiator fan and separate the thermostat housing from the lower radiator hose. Both can be easily removed with a small screwdriver. It should unbolt out or have fasteners. Remove the thermostat and clean all surfaces.
Typically, you'll see cooler temperatures while out on the highway, because that's when the radiator gets a lot of air forced through it. If you have the right tool it might be easier. You need to remove that bolt and slightly and carefully bend the metal dipstick tube away from the thermostat housing so that you have some play to allow the housing to come off and over the thermostat the sits within the housing. Remove the 3 screws holding the motor to the housing. There must be some reason why you have asked this question.
Changing the thermostat was the final step in solving my problem with the flaring temperature gauge. If they go to a cylinder then that's the cap. Then the temp sensor might need to be looked over frayed wire, corroded contact etc. The excess heat is used to run the heater in the passenger compartment of the Frontier. If your heater isn't working, your truck's running warm or you notice unnatural noises such as gurgles and rumbles, wear or corrosion have probably ruined your thermostat. Install housing and retaining bolts.
That is usually easy enough in most cars. I just went for the local convenience. And if you're a bigger person like myself its… I have a 2001 Frontier 2wd and it is located underneath the blower fan and motor. I had to remove the plastic around the back of the radiator, then remove the fan to have access to the bolts on the engine block that hold the metal thermostat housing on. The first key is to make sure you get a thorough removal of any residual gasket maker material from the prior housing installation using a razor blade or whatever other straight edge you prefer. From there, you remove the shim, measure it.
Check for radiator leaks if you notice coolant leaks or smoking under the hood. The first thing you will see is the blower motor itself. If they are noisy, you might try changing the oil and filter and using an oil additive designed for addressing high mileage motors with noisy lifters. I had to pry a bit to get the housing loose because the housing was sealed to the mating surface with gasket sealer. Also, the working space to reassemble is a bit cramped with the radiator fan and dipstick tube somewhat in your way. So you have a choice. AutoZone carries the thermostat replacement for Nissan Frontier that saves you money, and trustworthy advice provided by helpful staff gets you on your way faster.
The resistor is in the ductwork on the passenger side. If it is too loose or too tight, you use your feeler gauges to find out what it would take to make a zero clearance situation. The radiator is a heat exchanger that receives warm coolant and passes it through a series of coils surrounded by fins. Purely out of caution I replaced the thermostat and of course used Nissan Coolant. Lift it out, remove all traces of gasket from the engine and the housing, then install the new thermostat and gasket. Once again, it doesn't go past normal towards hot, but it fluctuates from normal to cold.
A good thermostat would be partially closed under those conditions, because the radiator is pulling a lot of heat out of the coolant. It doesn't happen during idle but when car is driven. There are 3 bolts holding the thermostat housing in place, remove them. All Replacement brand items are backed by 1-year, unlimited-mileage warranty. The warm coolant is released by the thermostat at the appropriate temperature and then pumped back into the engine via the water pump. Then you apply the new gasket maker to the housing and seat the housing over the new thermostat and bolt down the housing.
The 4 Cly engine does not have adjustable valve clearances from the stand point of using a few wrenches, one to adjust and the other to lock the adjuster when the clearance is correct. Marvel Mystery oil actually works, but follow the instructions. Thanks so much for the info. Cycle the heater to full hot and let it run there for a couple of minutes. Founded in 1898, Stant manufactures world-class fuel, vapor and thermal management system parts for the automotive aftermarket.