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Since i had to replace the top radiator hose, I want to replace all the other hoses. I know there is a lower radiator hose, but how many other hoses are there that I should replace.
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in almost all vehicles i know of.. it is in the lower radiator hose where it connects to the engine block. in my nissan pickup the two hoses where they attached to the engine block were one over the other. so it was easier to get to the lower hose by first taking off the top hose. take ur time and dont like most jobs dont rush. and please remeber to put coolant back into the radiator before you start the car. auto zone is very cool about about showing u where to look if u want a second opinion.
Anon, Could not find a lot of info. on this one. Check the attached links,instruction and guides, 1st link will show picture of PVC hose follow hose down to PVC valve which will be screwed into the lower part of intake or in a push in grommet/valve cover. Good luck
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nissan pathfinder thermostat is located on the bottom hose. where the coolant in from the radiator. make sure the coolant is cool enough before remove the hose.
This issue may be due to a restricted radiator. The engine heats up but can not flow through the radiator fast enough and pushes the coolant into the overflow until it runs over. Then the engine draws coolant back in showing a low condition.
My suggestion is to check the radiator with an electronic tool for checking temperature. If the temperature is 180 - 200 on the upper hose and 75 - 95 on the lower hose then the radiator needs to be replaced.
A faulty thermostat (stuck open) would not heat up.
A faulty thermostat (stuck closed) would not cool down, but would push coolant out of the overflow tank.
If the vehicle has white smoke (actually steam) coming from the tail pipe, then you most likely have a blown head gasket.
The thermostat is located on the top hose coming off the radiator. It's a 2-3 inch diameter hose, there should be two coming off the engine block into the radiator. If you look, it's almost always the top hose. You can see two or three bolts and a clamp around the hose going into the top of the thermostat. A new thermostat is around $30 - $60 depending on the car. You will need two quarts of antifreeze and I also suggest getting 'indian head' gaset sealer, put this only on the engine block side of the thermostat. Let me know how it works out and if you need more help.
Not always. If you have a KA24E (2.4L 4 cyl) engine, the thermostat is located where the lower hose connects to the engine. I have had to change mine. It's easiest to get to if you remove the power steering pump and set it to the side. The thermostat housing is directly below where the PS pump mounts.
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