changing transfer case fluid
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Elder User
Joined: Nov 2005
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From: Cottage Grove, Minnesota
changing transfer case fluid
I was wondering if I should bother changing the transfer case fluid on my 97 F150 4.6 4x4 w. 186100 miles. I don't know if it has ever been done. I believe it has been done the drain plug area seems to have some grease and dirt built up around it. If I change should I put sinthetic fluid in or follow the owners manual and put in Mercon ATF.
New User
Joined: Mar 2012
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I just recently bought a used 1997 F150 XL manual tranmission, 4x4 with 82000 miles. Well, I was going down the hi-way and I heard a grinding as if i were not in gear, then a clunk, then it sounded fine again. It has done this a couple times now, and i cant afford to take it in! I'm hoping all I need to do is change the transfer case fluid! Any thoughts or suggestions will be appreciated...oh and the 4x4 light comes on and off around this time, but usually stays on...
Hotshot
Joined: Jul 2005
Posts: 11,931
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new oil normally dont help a "chunk"... but it cant hurt. If the 4 x 4 light comes on, its probably more of a small mechanical problem inside.. Im betting you will find a bigger problem a few weeks/ month down the road.
Fleet Mechanic
Joined: Aug 2008
Posts: 1,446
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From: NE Iowa JD Country
agreed +1
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Junior User
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Junior User
Joined: Feb 2007
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From: Becker MN
Sorry about the last post. That was about the clunk that happens once in a while. And about the transfer case. Its a good thing to change . But look at the owners manual in the glove box. My truck a 2003 takes Mercon V in the trans.. But the transfer case takes just the Mercon. And there is a difference.
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