Tranny Fluid...
Thread Starter
6th Gear
Joined: Apr 2006
Posts: 6
Likes: 0
Tranny Fluid...
My '90's, auto tranny fluid is reading well over the "Fill" line on the dipstick, under proper checking conditions.
How much fluid does it take? Can serious damage result from running with too much fluid?
I plan to remove the pan and replace with the recommended amount.
Thank you in advance.
How much fluid does it take? Can serious damage result from running with too much fluid?
I plan to remove the pan and replace with the recommended amount.
Thank you in advance.
Race Director
Joined: Feb 2004
Posts: 12,518
Likes: 19
The biggest problem with overfilling, from a safety point of view, is the trans vents fluid out the top of the trans. It then dumps on the hot exhaust. A fire is possible. My friend just lost a $10,000 truck because of it.
The other problems are foaming, or aerated fluid. Clutchpacks don't like too much air in the fluid.
Long story short, remove the extra fluid. Slightly low is better than high.
The other problems are foaming, or aerated fluid. Clutchpacks don't like too much air in the fluid.
Long story short, remove the extra fluid. Slightly low is better than high.
Melting Slicks
Joined: Dec 2004
Posts: 2,954
Likes: 2
From: Obama=death for America
I know you wrote that your, "auto tranny fluid is reading well over the "Fill" line on the dipstick, under proper checking conditions", but because you are new to the Forum, I have no idea how much experience or knowledge you possess. Forgive me if the following is a stupid comment, so please do not be offended, but I do not know your level of expertise. Don't forget that when checking transmission fluid, you must check the vehicle with the car running and after it has gotten good and hot. If you check it any other way, you will get erroneous readings.
Race Director
Joined: Jun 2004
Posts: 13,957
Likes: 706
From: WI
Also if you don't know you don't need to drop the pan to remove fluid. You can use a tube pump down the fill tube or is equipped, disconnect the top transmission cooler tube at the top passenger side of the radiator. This is very easy to do, put a hose on and put it in a bucket. Run the car a few seconds, done. 
