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46rh trans fluid question

Old Jan 26, 2018 | 10:09 PM
  #1  
flowmaster318's Avatar
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Newbie
 
Joined: Dec 2017
Posts: 7
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From: British Columbia
Year: 1994
Model: Grand Cherokee(ZJ)
Engine: 318
Default 46rh trans fluid question

So my ZJ is almost ready to drive, I got it running, cleaned it, etc..., all I have to do is top up the fluid in the transmission (46rh). Problem is, I don't know what type of fluid is in there right now. It is probably ATF+4, but it could be Dex/Merc, since I have no idea who last filled it. Should I just top it up with ATF+4 and hope for the best, or is there some way to figure out what type of fluid is in there? The color of the current fluid is fine, the level is just low. I swear it looks lighter (more pink) than the Dexron in my Sierra's 4L80E.
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Old Jan 27, 2018 | 11:31 AM
  #2  
Nick-B's Avatar
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Joined: Jun 2011
Posts: 319
Likes: 3
From: Key Peninsula, WA
Year: 1997
Model: Grand Cherokee
Engine: 4.0
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The 46rh would be ATF+4.
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Old Jan 27, 2018 | 12:29 PM
  #3  
dave1123's Avatar
Old fart with a wrench
 
Joined: Nov 2010
Posts: 14,398
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From: Manlius, east of Syracuse, NY
Year: 2000 XJ Sport & WJ Laredo
Model: Grand Cherokee (WJ)
Engine: 4.0L
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Depending on the year, it could be ATF+3, but ATF+4 supersedes 3.
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