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My 2002 Jeep Wrangler 4x4 Sahara lifted has black transmission fluid as if it has never been changed and now has 125,000 miles. Should we change it?

My mechanic discovered that the fluid was black when he changed out a hose that had a slight leaking. He says he is afraid to change the transmission fluid since the jeep has over 100,000 miles 125,000 to be exact. We bought this jeep for my son in April 2015, what should we do?

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2 Answers

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  • Jeep Master
  • 53,755 Answers

Black oil is burnt oil and indicates several things
1-- excessive loads being applied to transmission ( heavy work or trailer being towed
2--- excessive vehicle speeds
3-- transmission mechanical problems
4-- low pressures resulting in band and clutch slipping
5--- transmission not shifting ratios correctly
before you change the oil run the fault codes to see if there are any recorded faults concerning he transmission
to change the oil the pan has to be removed to clean the filter so have the internals checked and the bands and clutch packs adjusted at the same time
Have the work done by an accredited transmission specialist shop and get quotes before hand
oil should be changed around the 60000 miles mark or earlier depending on conditions of operation

Posted on Jan 25, 2016

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  • Jeep Master
  • 14,769 Answers

Have it changed.

Posted on Jan 25, 2016

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Posted on Jan 02, 2017

Anonymous

  • 9 Answers

SOURCE: 2002 Jeep Wrangler appears the

not hard to change out that oil pan gasket tip- just think of it as a simple job nothing can go wrong you can do this i promis-----its not the rear seal its the shocks and struts common tell tell signs-get new ones before its tooo late

Posted on Apr 05, 2009

Anonymous

  • 1 Answer

SOURCE: manual transmission fluid leak. Where do I find the fill hole

check passenger side of transmission - it is a 3/8 ext that will fit the bolt - does not really look like a regular fill hole -

Posted on Aug 01, 2009

Richard Scordino

  • 6982 Answers

SOURCE: how to change transmission fluid in 2005 jeep

Most have a drain plug on the pan. to do a simple change, just remove the plug and drain it, then re-fill. to do a filter change, you need to remove the pan and the filter inside, remove all the gasket material (or it will leak) and put everything back together. There is no provision for draining the converter so if you want to do a better more complete change, drain from plug, refill, drive a few miles to circulate new fluid, then do a complete change with filter. You won't get it all out but a considerably larger portion of the old fluid will be removed.

Posted on Oct 05, 2009

Anonymous

  • 15 Answers

SOURCE: 1994 Jeep Sahara Wrangler. I love it. A while

more than likely a broken belt in tire but you mite have a bad tie rod or tie rod end, if all that checks out ok than I would start looking at o/d in the trans

Posted on Oct 24, 2009

Anonymous

  • 7 Answers

SOURCE: 2002 Jeep Wrangler, had a slight tranmission leak,

There is air in the lines...start the jeep, pull the tranny dipstick and shift the jeep from D1, D2, D, N, R, P and back....assuming this is an automatic...and repeat until noise is gone. Don't forget to check the fluid level and replace the dipstick.

Posted on Feb 09, 2010

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Transmission fluid is almost black


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