[Shop-talk] Auto xmission fluid change

[John T. Blair]

At 10:32 PM 4/12/2012, BJNoSHOV8 wrote:

 >I've always wondered why manufacturers don't put drain plugs in transmission
 >pans.

Agreed!!!!

 >About 10 years ago I got a Taurus SHO and the online owners group had a
 >different procedure for changing the fluid.  Working from memory 
here... they
 >would pull the cooler line hose off of the cooler just behind the 
bumper, let the
 >engine run with fluid being pumped out of this line until the flow 
slowed down...

That's the same proceedure I've heard.  But I'm affraid of that.  It 
wouldn't take
long to trash the xmission pumps if they run dry.

 >I think there are lots of people that never change transmission 
fluid over the life
 >of the car.  I have seen some cars with 100k miles or more that would start
 >slipping, probably never had the fluid changed before, and after 
putting in a
 >new filter they worked fine again.

Well, the Chrysler mini van has people with over 200K mi on their 
xmission.  Unfortunately, I've not had that type of luck:

89 Voyager 3 spd - replaced xmission at 135K mi.
95 Taurus            - replaced xmission at  75K mi and at about 170K mi
95 Voyager 4 spd - replaced xmission at  140K mi

I know waiting too long to do it, doesn't do much good.  So at about 30K mi
I don't know.  I'm thinking that the milage is low enough that the xmission
doesn't have a lot of crap built up and a flush would increase the life of the
xmission.

Glad to hear the input from the group, especially on high milage xmissions.

John

John T. Blair  WA4OHZ     email:  jblair1948 at cox.net
Va. Beach, Va                  Phone:  (757) 495-8229

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