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ss3011 · 06-10-2012, 01:20 PM

If you have a factory shallow car pan, then the full hot mark, on the dipstick is even with the pan gasket. The full hot mark on the factory deep truck pan is about 1 inch below the gasket. If you use a car dipstick, and tube, but have a truck deep pan, then effectively you are overfilling the trans, which leads to oil out the vent. The factory sets oil level, so that hot, the oil level will not reach the spinning parts in the barrel. If the oil gets up that high it will froath up , like a milk shake, which raises the level even further. The result is the breather system cannot handle the extra mist and will leak it out.

06-10-2012, 01:20 PM	#2
ss3011 Senior Member Join Date: Feb 2002 Location: Southeast Michigan Posts: 890 Likes: 64 Liked 226 Times in 105 Posts	Re: trans fluid level If you have a factory shallow car pan, then the full hot mark, on the dipstick is even with the pan gasket. The full hot mark on the factory deep truck pan is about 1 inch below the gasket. If you use a car dipstick, and tube, but have a truck deep pan, then effectively you are overfilling the trans, which leads to oil out the vent. The factory sets oil level, so that hot, the oil level will not reach the spinning parts in the barrel. If the oil gets up that high it will froath up , like a milk shake, which raises the level even further. The result is the breather system cannot handle the extra mist and will leak it out.