After removing th … e 2 screws the tail light assembly can be pulled slightly to the rear. After topped start engine and run for 10 seconds,turn off,refill again. If you have a bedliner, the two 1 Phillips screws are behind it. Now clean the old gasket off. Remove it and set it to the side. 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. The thermostat's job is to make sure your truck is running at optimal temperatures, which it does by allowing fluids to cool down the heat that builds up in the engine block.
Very easy to spot if it works well enough to click while you are looking. I don't know a lot about engines and this is a new venture for me, but it has been a lot of bloody knuckles. Good luck, and please remember to double check all parts you've removed to make sure you have everything back where they came from. You do this by loosening two hose clamps with a standard screw driver: one attached to the air filter housing and the other to the throttle body. This also applies to newer Frontiers as well. Loose the belt idler pulley bolt and then adjust the idler adjusting bolt to remove the belt.
It … takes longer to get access to the thermostat than it does to get it off. Next: clamp and slide down the clip holding the tube on the goose neck not the radiator and bend the tube to one side and out of the way if you could not drain some coolant from the system it will spill all over at this point. 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. It should take about 10 minutes total to remove the old and replace with a new one. They are made of aluminum and one of them is larger than the other. Remove those and the thermostat is under this piece. I suspect that as the vehicle gets older this plastic plug system will break.
Next: There is a line running from the water pump on the left side of the compartment and it wraps around under and in front of the goose neck, it has three hoses attached to it, two that run under the goose neck and one on the end of this line, you'll want to undo those hoses and loosen the one bolt on the line attached to the water pump, only enough to move the line out of the way do not bend this line!!!! I try to replace coolant with the rear of the car inclined down from the front. I presently have no heat in the car. I have replaced many on older cars but this one involves alot more work and time than needed. Make sure you have a gasket for the thermostat mine came with the part , install the new thermostat and re-assemble the many parts you have scattered across the floor, hood, engine compartment, tool box, etc. Does it connect to the lower radiator hose? 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. Re-fill coolant slowly to preven … t an airlock.
Repeat this until the bolt is out. You can access it from the driver side. It is can be found by looking at where the hose comes off the top right side of your rad and runs to the engine. This shield has four small bolts, they are on very tight because of all the heat and they may break off easily if you're not careful. Unbolt the housing You can keep the hose connect or you can disconnect it, your choice 4.
Follow the top radiator hose back to the engine. Do not skimp here get thermostat from Subaru dealer this will avoid throttling of the thermostat which often happens with some aftermarket thermostats. Romove the upper water heater coolant hose. Note: there are some electrical connections and other tubing attached to these, you can disconnect them and remove them, just make sure you put them back. I presently have no heat in the car.
After getting to the housin … g it is just like any other thermostat repair. You'll need the room to work though, so go ahead and do it. I could not remove it but could only sort of move it out of the way just enough to loosen the bolts on the goose neck. In the front of the engine you can follow the top hose from the radiator and it will lead you directly to the thermostat. There is a metal tubing in the middle of that top hose that leads to the thermostat housing. Try to use the Nissan speaker adapters plugs so you don't need to cut wires and mess up the electric system, you ca … n get those from eBay or amazon. It is best to keep an eye on it for about a week.
Also be sure one of the little cutouts in the O ring for gasket is lined up with the checkball weight in thermostat. I looked all over the internet trying to figure out the location of the thermostat because Nissan didn't provide me with any book explaining how to do anything change headlight, etc. Bring recovery tank to full mark. On the 2001 Nissan Xterra V6 engine you fo … llow the bottom radiator hose and that leads to the thermostat. Take it for a drive 4-5 miles and then check for leaks again.
Also, you don't necessarily have to loosen the tension on the serpentine belt, either; you should be able to work around it reasonably well. Be sure not to overtighten the bolts on the housing since its made out of aluminum, it cracks easily. I hope I could be of some help. Note how thermostat is installed. Is my thermostat located on the right side of my car? Start engine and look for leaks. If you don't do this the rust in the threads might seize the bolt and cause it to twist apart, leaving the head off and threads inside. It is in … the shape of a black trapezoid approx.