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a thermostat is not an expencive part.....but if your asking you are likely very cold right now and changing it is going to be cold job if you are up north.if your motor is the vg30e its not so hard.its in between the 3 fan belt .just above the water pump you will have to drain off the water in the system first then remove the unbolt the mounted angle water neck.replace the therm & gasket reconnect every thing to the same as it was and refill the system..not so bad down here in Florida..all the best......................buddy mack.........".if up north." is a trick to make this a little more pleasent of a job.........remove rad cap and run the motor for 10 minutes .....this will warm up the motor and the water..with out putting pressure on the system....PS note the dirrection of the thermostat..make sure istallation looks the same.

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โˆ™ 2008-01-04 15:50:44
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Q: How do you replace a thermostat in a 1990 Nissan maxima and how much does it cost to do so?
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Where is your thermostat located in 1990 Nissan Maxima?

Usually in a removable housing at the engine end of the upper radiator hose

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It is at the lower end of the top radiator hose within the water outlet. I hope this helps you. Mark In the engine end of the upper rad hose.

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