Question about 1990 Nissan Maxima

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My heater valve broke on my 1990 Nissan Maxima and I dont need a heater where I live. I want to eliminate the heater valve via a bypass, can you walk me thru doing this? once again I do not need a heater... please help. Thanks!

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By doing this your car would allways run bad, Because your ECM will not know what your doing and will be continusly running that code. Could be alot chepper in the long run just replace.

Posted on Mar 23, 2011


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1990 nissan maxima. have replaced thermostat, but cant get any heat, or defrost. flushed out core.and replaced all fluids.

Check the hoses to the inside heater core for kinks. Check heater (not radiator) core for being plugged. Check heater valve to see if it lets coolant through when turned on.

Oct 16, 2014 | 1990 Nissan Maxima

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I am not getting heat all the time into my 1990 Maxima I flushed the system and replaced the engine themostate. Water flows threw the heater coil. What is next?

There are 2 thing is can think of right off the bat. Is the blower motor working? If your heater core and heater valve are working, is your duct valves working? They open and close using the car vacuum. When you shift your control to heat, you should hear the duct open or close. allowing only heat from the heater core. You may have a bad actuator valve or a leaking vacuum hose. That's all I can think of right now, hope this helps

Dec 29, 2010 | 1990 Nissan Maxima

1 Answer

How much will it cost to fix a broken heater in my 1990 Maxima?

it depends on why the heat is not working
it might be the thermostat
heater core
heater blower or heater control panel

Dec 05, 2010 | 1990 Nissan Maxima

1 Answer

1990 nissan maxima the reverse went out suddenly

internal problem with transmision. gasket broke inside of the valve body. too much money to rebuild. find you self a used trans if you can for this vintage model year. good luck.

Nov 17, 2010 | 1990 Nissan Maxima

1 Answer

My wipers dont move but the motor makes the noise

sounds like the the assembly that connects the wiper to the wiper motor came loss or broke re move wiper motor you my see what it is then

Mar 12, 2010 | 1990 Nissan Maxima

2 Answers

1990 nissan maxima oil dumping into cylinders it has a 3.0 v6 dont understand why its going in to more then 1 any ideas would be great

if its going into the cylinders it has to be smoking while running the only way oil can get in is through the valve seals,seals will have to be replaced.

Jan 26, 2010 | 1990 Nissan Maxima

1 Answer

Speakers dont work with new radio

Check you right instalation Nissan/PDF/647037

Good luck.

Jan 18, 2010 | 1990 Nissan Maxima

1 Answer

Need to set the timing on a 1990 maxima

im not sure about your car but some cars are interference engines,meaning if the timing belt breaks the valves will hit the pistons and it will bend the valves and the car will not run again just by putting a new belt on it,,hopefully thats not the case but alot of import cars are interference engines,,good luck

Oct 10, 2009 | 1990 Nissan Maxima

1 Answer

1990 maxima the rear windows

the cable broke that moves the window up and down i had the same problom in my maxima u have to change the motor to fex it

Oct 26, 2008 | 1990 Nissan Maxima

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