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transmission oil replacement

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Old Oct 6, 2004 | 07:32 AM
  #1  
max hernandez's Avatar
max hernandez
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From: m.d
transmission oil replacement

i have a 1999 expedition, with 120000 miles is it a good idea to have the transmission oil replaced
 
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Old Oct 6, 2004 | 07:52 AM
  #2  
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Tranny "fluid" should be changed every 25-30k, being yours has so many miles and unknown if it had ever been changed, take it to a tranny spec. you trust and ask him what he says. Personally I would do it, torque converter and all. I recently just had mine changed and we found some metal on the mag pickup, probably a planetary gear going south, no problems yet but indicators. I have 340k on mine and have changed it regularly. Preventive maintenance is cheaper than repairs.
 
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Old Oct 6, 2004 | 08:06 AM
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I've been thinking of doing the "total system evacuation" (conveter n'all) & a filter change on my '98 4WD 5.4L Expy.

I'm assuming this cant be done in under the shade tree. So where's the best place to take it for this? Ford Dealer, Jiffy Lube, etc.???
 
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Old Oct 6, 2004 | 10:14 AM
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Ford dealer would be good. Trustworthy trans. shop (not AAMCO!!!) would be good. Jiffy-Lube would be B-A-D!!! I wouldn't even trust those knuckleheads to put air in my tires!!!
 
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Old Oct 6, 2004 | 10:37 AM
  #5  
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From: All over Texas
Originally Posted by 98SurplusExpy
I've been thinking of doing the "total system evacuation" (conveter n'all) & a filter change on my '98 4WD 5.4L Expy.

I'm assuming this cant be done in under the shade tree. So where's the best place to take it for this? Ford Dealer, Jiffy Lube, etc.???
You can get 95% of the old oil out just by draining the pan and converter. If you're really industrious, you can drain the lines as well.
 
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Old Oct 6, 2004 | 12:09 PM
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From: m.d
thanks for your reply, i can sleep better now
 
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