What do you think? My 92 has 125,xxx on it and the trans is starting to slip a little going from 2nd to 3rd.. I've been planning on flushing the tranny fluid for 5,000 miles already because I'm really not sure if it has ever been done. I drive my car <2000 miles a year but now but now i'm thinking about it more....

Do you guys think it'd be a good idea to flush at 125,xxx when it possibly hasn't been flushed before and slips a little in 2nd? (Automatic) Thanks!

 

If the tranny has never been flushed before its not recommended to flush the old fluid out, because it could kill it, here's an article about it from the web:
"If your vehicle has high mileage (> 80,000 miles) and the transmission has not been maintained, I would not recommend replacing the fluid and filter. The fluid that has been in the transmission all this time has become dirty and gritty. This gritty fluid is actually providing needed friction for the worn internal parts of the transmission. Changing the fluid and replacing the filter would remove this friction that the internal transmission parts have become dependent on. If you have not been regularly maintaining the transmission throughout the life of the car, you might actually be doing more harm than good if you replace the transmission fluid at this point"

 

well as a quick fix, NOT A PERMANENT you could put some brake fluid about 1 shot glass worth of it will stop the slipping but a rebuilt will be needed eventually. for what I understand what it does is swell the internals and stop the problem but eventually it will eat the gaskets and leak (if too much is added) this is a pretty common practice people use to get rid of cars with issues or in the taxi cab industry because the fix will last a couple of months and allows you to milk the car longer.

before people start NO I dont sell cars or done it to someone, just a quick fix when money is short for a rebuilt.

good luck!

 

As mentioned, flushing it will only make it worse - the old fluid has tiny bits of gunk in there that are acting as a friction modifier - you drain those contaminants out now and I'll be surprised if it moves at all. Time for a rebuild!

 

Sounds good guys. Thats exactly what I was thinking, that at this point its too far gone. but I really wanted a few other opinions. Thanks!

 

Install Corvette Servo for under $20 and flush.

 

Can you give me any insight on them junkcltr? I'm not sure how hard that would be to throw in and do you think it'd really hold the life longer?

 

http://700r4l60e.com/forum/viewtopic...corvette+servo

It would help, but without knowing the history of the trans it is hard to estimate how much wear is in it and how long it would last. For $20 it is worth a try and can also be used later on when the rebuild is done.

 

"If your vehicle has high mileage (> 80,000 miles) and the transmission has not been maintained, I would not recommend replacing the fluid and filter. The fluid that has been in the transmission all this time has become dirty and gritty. This gritty fluid is actually providing needed friction for the worn internal parts of the transmission. Changing the fluid and replacing the filter would remove this friction that the internal transmission parts have become dependent on. If you have not been regularly maintaining the transmission throughout the life of the car, you might actually be doing more harm than good if you replace the transmission fluid at this point" This is nonsense!!!

"well as a quick fix, NOT A PERMANENT you could put some brake fluid about 1 shot glass worth of it will stop the slipping but a rebuilt will be needed eventually. for what I understand what it does is swell the internals and stop the problem but eventually it will eat the gaskets and leak (if too much is added) this is a pretty common practice people use to get rid of cars with issues or in the taxi cab industry because the fix will last a couple of months and allows you to milk the car longer". This might have worked in the past supposedly, but I would not do it.

Install the Corvette Servo and change the oil, if the oil looks and smells slightly burnt. You can do the oil change yourself for a lot less than the transmission shop will charge. You will need the filter, Duraprene pan gasket, and 2 more quarts of oil the the total capacity of the unit. Use a non synthetic transmission oil here. Make sure that the TV cable is tight at WOT.