Oil change preferences
Lead Driver
Joined: Feb 2000
Posts: 5,374
Likes: 46
From: Palm Bay, Florida
Drain your trans pan, lower pan, clean pan, change filter, drain converter (MY '99 HAS a drain on converter) re-fill with Mercon V fluid-brand really makes no difference.
I personally have never been a fan of trans flushing, but to each their own.
Lead Driver
Joined: Feb 2000
Posts: 5,374
Likes: 46
From: Palm Bay, Florida
IMO there isn't enough fluid left in the coolers and lines to worry about.
Lead Driver
Joined: Dec 2006
Posts: 7,092
Likes: 145
From: San Diego, CA
Mine does not have a drain for the converter.
New User
Joined: Feb 2018
Posts: 9
Likes: 0
From: Culpeper, VA
T4 Rotella 15W40 for oil, except for this last time- got a deal on Rotella's T5 semi-synthetic this last time, same price as the T4, so I went with it. I haven't done a trans flush, but it just hit 40k miles since last trans-flush from just before I bought it, so need to do that, the transfer case and both diff's as the truck just hit 300K.
@ Wesley, i had the same thing happen a couple weeks ago and ended up stabbing the side of the filter with a screw driver just under the internal threads and using it for leverage as my rubber strap wrench just kept slipping. Found it pretty ridiculous at the time that it took me an 2 hours to change the oil b/c I spent an hour forty-five fighting the freakin filter.
@ Wesley, i had the same thing happen a couple weeks ago and ended up stabbing the side of the filter with a screw driver just under the internal threads and using it for leverage as my rubber strap wrench just kept slipping. Found it pretty ridiculous at the time that it took me an 2 hours to change the oil b/c I spent an hour forty-five fighting the freakin filter.
Fleet Mechanic
Joined: Jul 2011
Posts: 1,667
Likes: 5
In my mind dropping the return line in drain pan & adding oil as level drops is different than some of the dealer flushes,Which I would avoid due to unknown skill level,Mark's procedure is just a more thorough oil change which may help clean a poorly maintained transmission,also Mark's procedure eliminates the need to drain the torque converter.
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