My 420 a 5 speed transmission makes a grinding rattle sound in the morning and when I push clutch in it goes away and when car is warmed up it is not bad but still noticeable. Sometimes it dont do it either im worried please help a fella thanks

Typically thats a worn throw out bearing from my experience.

I also say throw out bearing. Typical problem.

Also Throw Out Bearing (TOB) Normal wear and tear. Get an OEM TOB and also it is best to replace your clutch fork and pivot ball while you are in there.

Get it fixed and welcome!!

Thanks for the input guys.

When I push clutch in noise goes away and if I let clutch out Rev car up in nutrol noise comes back rattle grinding

Its been said already, the throw out bearing, get an oem mitsu one.

I thought throw out bearing goes when clutch is in and input shaft and gear move when clutch is out

TOB is always spinning, just under different loads.
www.youtube.com/watch?v=6BaECAbapRg

Now it's been in the 40 degree weather and my transmission don't grind rattle weird

so slow 420 said:

Now it's been in the 40 degree weather and my transmission don't grind rattle weird

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Could have shrunk the part slightly.

The part what's that mean

TOB or anything that is metal. It will come back though, still needs replacing. How warm was it when it was doing it?

It was grinding rattling in the minus 20 to plus 28 degrees n it's been in the 40 s n 50 s out so I can not here it now could I adjuste anything

Make sure the pedal is adjusted properly.

How do I do that when I got car and put used transmission in I never adjusted anything

so slow 420 said:

How do I do that when I got car and put used transmission in I never adjusted anything

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Lol that's probably your problem. Not to familiar with NT's but look for a bar that would go into the master cylinder from the pedal. see if you can adjust that.
www.youtube.com/watch?v=vYJxQyjIhUw

If I Rev the car up to about 2500 rpm I hear the grinding rattle sound