Transmission service

No power flush?

Guess I'm an old school guy. Trans oil gets changed every 30k regardless. Overkill? Perhaps.

The manual for my '04 excursion said 100,000 miles. I changed the oil and filter at about 110,000. 190,000 now with no trouble. Don't do a power flush on an old transmission.

:) Hi, remove pan, drain torque converter, blow out cooler lines, and replace filter every 30,000 miles. Never do a flush.

^This is the way to do it.
OP, just don’t let anyone talk you into a power flush on an older trans

time2roll wrote:
Serviced? never. Drain the pan and torque converter myself at 30k intervals.
Refill with Mobil 1 synthetic.

x2... I drain the pan, then add 5 quarts. Then disconnect the output cooler line and put in 5 quart container...( This way I can keep track of what i'm pumping out. Start truck. As fluid comes out I add it back through dipstick tube. When starts pumping pink'er ( or get to the 12 quart mark) I stop. Reconnect and top off.

Thats my own flush..Changes 90% of the fluid I would think...

Mobile 1 for sure..

Yup - what Scott said. Follow the severe service schedule in your owners manual and you simply can't go wrong!

Cheers!

Mike

Serviced? never. Drain the pan and torque converter myself at 30k intervals.
Refill with Mobil 1 synthetic.

Do you have a drain plug in the trans pan? If not when you have them drop the pan and change the filter have them put a pan with a plug in it.

This way you can drop 3 or 4 quarts at your leisure if you know you been running hot..

I change the filter every 30k according to chevy.

Your owners manual will give you guidelines for severe duty, go by that.