Transmission fluid check when cold
CF Veteran
Joined: Aug 2010
Posts: 8,357
Likes: 103
From: Canton, MI
Year: 1999
Model: Cherokee
Engine: 4.0
I am using Dexron III/Mercon.
So when the fluid is cold it should be at the MAX mark. As soon as the engine is started (still cold) it should be at the ADD mark. And at operating temperature it should be between the top hole and the MAX mark. The closer to the MAX mark, the better?
^^ Yes.
And if it is below the top hole at operating temperature, it needs fluid?
^^ Yes.
And what about the OK mark? What is its range?
Disregard the OK.
So when the fluid is cold it should be at the MAX mark. As soon as the engine is started (still cold) it should be at the ADD mark. And at operating temperature it should be between the top hole and the MAX mark. The closer to the MAX mark, the better?
^^ Yes.
And if it is below the top hole at operating temperature, it needs fluid?
^^ Yes.
And what about the OK mark? What is its range?
Disregard the OK.
