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I purchased my 96 CE with LT1 and auto trans in July. It had 62,000 on it. I had the Trans serviced and Rad hoses changed at that time. I now have 64,000 on it. Today I was just checking Oil, water, Ect. When checking Auto trans at idle/in park I couldn't determine the level due to foam on the dipstick. I know that I have a small trans leak. I was told by mechanic that checked car that it was a fitting and was very small.
I removed almost 2 quarts troubleshooting trying to determine if it was overserviced. Still could not get accurate read on level. To be safe I installed removed oil to orginial condition. My trans Temp stays around 200- 215F on average.
Questions:
1) Is this an indication of overservicing.
2) Where should the trans level be cold and not running.
3) Has anybody else had this problem.
Use the digital trans temp readout on the LCD speedometer display and check trans fluid level when the trans is only about 80 F in temperature, i.e. cold. If its overfilled it should not have heat-expanded enough yet to foam @ 80 F, but may show way over the cold zone on the dipstick. Dipstick should have a cold zone on the bottom, i think its marked for 80 F can't remember. I know the hot zone on the stick is marked for 190 F on my '95. For most accurate reading, place the shifter into 1, then 2, then D, then OD, then R for about 10 seconds each, then put it in Park and check the dispstick. I usually have to wipe and dip a few times for best accuracy.
If its above the cold zone you could then remove enough to bring it into the cold zone, then go out and drive it up to operating temp, (190 +) and then check it hot to see where it is.
Mighty Vac is your friend...
Last edited by Lone Ranger; Oct 21, 2006 at 06:13 PM.
From: Good health is merely the slowest possible rate at which one can die
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When you get the level to normal or determine that it is, if it still foams the filter may not be installed correctly. It could be sucking air around the O-ring. Sometimes people will pull the old filter out and not notice that the O-ring stayed in the hole. Then they put the new O-ring on the new filter and install it.
Sometimes people will pull the old filter out and not notice that the O-ring stayed in the hole. Then they put the new O-ring on the new filter and install it.
Although not on a transmission, I once did that exact thing with the oil filter during an oil change on my wife's car years ago... old gasket stuck to the filter housing. Blew oil out onto the driveway as I backed it up. Good God what an Unholy mess it made, a motor oil stripe down the driveway. Like to never got the driveway cleaned up.