You have to tap into the heater hoses.
Under hood, center, upper engine area, mounted in intake manifold.I have the same truck. Follow the hose on the left hand side that is on the engine cap that goes to the back of the "carb" disconnect the hose and there it is.. I had the same problem
If this is a fuel-injected car, the pump is in the tank. I believe in 1987 they went from Carb to fuel-injected. If it is a carb, it is on the lower right side of the engine.
sounds like you are ready for anew carb.,go to webber carb. direct and order a webber 32/36 carb. u will be a happy Nissan man.
how to set the valve timming on a nissan 1400
If carburetor model,then get rid of it and get a32/36 weber carb,get it from weber carb. direct .com,you cant find them no cheaper,must get carb.,kit,it will change your vacuum lines,but they don't give you the diagram,but I have it,not many Nissan truck owners know how to do it ,just go to you tube and look up 85 Nissan 720 and you will see some nissans with the weber carb. and they are seeking carb. idle problem solutions,but the mechanics at the Nissan dealer here told me when I took my 85 Nissan to them with carb. problems that the stock carb. cant be rebuilt cause its a 2 part carb. and its problemsome,i had 3 different businesses try to rebuild it and couldn't,this was one time i should have went to Nissan first,my weber is so bad,it also sounds good,if you need one,i have a extra one.if interested,post another ad here and we will exchange numbers,cool.
no they are not due to carb emissions.
on my 85 4x4 2.4l, I replaced it with a 32/36 webber,Nissan mechanic told me the original carb. cant be rebuilt,cause its a2 part carb. and 1 part u cant get to,i took it to 3 different rebuilders and the last place i went to was the Nissan dealer ,trust me get awebber
On the back of the motor if it has a carb.
below the right side of carb.
If you have an edelbrock carb, remove the top of the carb, flip it over and there you have em! 2 floats! should be about 5/16 from the top of the carb i believe
get awebber 32/36 carb.
below the carb. on the driver side