when to change t-case fluid?
Anyone know when you should change the fluid in the transfer case? I have 35,000 miles on my truck and just had the auto transmission flushed along with the front and rear differential fluid changed. I never even thought about the transfer case.
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Believe it or not, Ford's normal recommended change interval for the t-case is 150,000 miles. If the truck is used primarily off road or for trailer tow, that is reduced to 60,000 miles.
Personally, I would change it more often than those recommendations. It's easy and really cheap since the case only holds 1.25 quarts. |
I change mine every 30,000 miles, along with transmission fluid and differential lube
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Originally Posted by rwenzing
Believe it or not, Ford's normal recommended change interval for the t-case is 150,000 miles. If the truck is used primarily off road or for trailer tow, that is reduced to 60,000 miles.
Personally, I would change it more often than those recommendations. It's easy and really cheap since the case only holds 1.25 quarts. 98 Ranger, 3L, 4x4 5speed |
Mercon 5 (96 and newer) for both automatic trannys and transfer cases, I use 80w90 gear oil for diffs. I think you have to use a friction moifier in the rear diff if your truck came with a "traction lok" rear end.
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Originally Posted by 4x4offroad99
Mercon 5 (96 and newer) for both automatic trannys and transfer cases
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Never herd of Mercron, did you mean mercon? That's the same as mercon 5 unless you talkin bout mercon-dexron, which is for chevys or older model fords...
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yea Mercon.......
Chilton says that the manufacture recommends changing the t-case fluid every 60,000 miles....don't doubt ya Bob, just saying.....i actually believe Bob over a Chilton...is that bad:shrug: Chilton also says:
Originally Posted by Chilton '93-'99 Ranger Repair Manual
Use MerconŽ automatic transmission fluid when refilling or adding fluid to the transfer case
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Maurice how much is that stuff goin for at Oreillys? What brand was it? We only sell Valvoline and they are proud of that stuff, $3.99 a freakin quart!!
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Mercon and Mercon V are the same now, any older transmission that takes Mercon Ford is saying can take Mercon V now too. I read something about it somewhere.
Besides the point Mercon V is perfectly fine to use in the Tcase. 95k miles on mine no issues and that is what i used. its been changed 3-4 times now. I change it whenever I feel like it. |
Originally Posted by 4x4offroad99
Maurice how much is that stuff goin for at Oreillys? What brand was it? We only sell Valvoline and they are proud of that stuff, $3.99 a freakin quart!!
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Originally Posted by zabeard
Mercon and Mercon V are the same now, any older transmission that takes Mercon Ford is saying can take Mercon V now too. I read something about it somewhere.
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i did mine at 50k and plan to do it again at around 75k or 100k
like bob said it only holds 1.25q thats a very cheap flush. not worth waiting |
ford is getting rid of reg mercon aka mercon III .... mercon V is is going to be the replacement fluid for mercon III fluid requirements ... and when that happens ford is coming out with a special fluid for tcases ... just fyi everyone :)
edit: and to answer the question i would do it every 30k ... i have seen ford trucks with 15 to 20k and the tcase fluid looks like engine oil ... i do mine every 15k, but i did my 30k at 15k as well lol |
Is there a drain plug for the t-case?
Is there a walk through or pictures anywhere? |
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