Can Over Filling Transmissioncause Damage ?

[Scott Gordon]

Hi just had my transmission flushed and new toyota type 4 added to my 1998 sc300. I notice when I checked the dip stick when cold that the fill level was about two inches over the fill mark for hot tranny fluid.

My question can over filling tranny cause damage?

thanks scott

[VicSC300]

Hi just had my transmission flushed and new toyota type 4 added to my 1998 sc300. I notice when I checked the dip stick when cold that the fill level was about two inches over the fill mark for hot tranny fluid.

My question can over filling tranny cause damage?

thanks scott

http://www.procarcare.com/icarumba/resourc..._autotrans3.asp

--"..Be extremely careful not to overfill it. Overfilling may cause slippage, seal damage and overheating.."

I'm gonna guess this means yes but I'm no expert.

[jzz30]

you did look at the dipstick with the engine running right?

[Scott Gordon]

turns out it was over filled by 1 quart mechanic drained off 1.5 quarts then refilled the 1/2 quart with a universal tranny product?I was a bit gun shy allowing this given it was filled with the toyota type 4. but figured what could mixing 1/2 quart of a universal fluid do. so far nothing adverse. car runs smother for sure, almost seamless going through gears.

[sc300tt]

yes it can