Transfer Case noise
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Senior User
Joined: Nov 2001
Posts: 287
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Transfer Case noise
The truck is a 04 F240 auto, man hubs. When the transfer case is engaged,
there is a howl or gear noise. I have rarely engaged the 4wd since last winter. Seams like its louder that I remember.
Should I be able to hear the case? Of course the truck is out of warranty now.
Thanks
there is a howl or gear noise. I have rarely engaged the 4wd since last winter. Seams like its louder that I remember.
Should I be able to hear the case? Of course the truck is out of warranty now.
Thanks
Elder User
Joined: Dec 2004
Posts: 819
Likes: 3
From: Putnam Valley, New York
Noise
There is always some noise (howl, hum, slight grind, etc.) when you put it in 4WD and start cruising. If I were you, just for safety's sake, I would check the fluid level in the transfer case. It's very easy. There are 2 plugs at the very rear of the case, facing the rear of the truck. If I remember correctly, they have a hex pattern on them and you remove them with a hex bit. With the truck cool, remove the top one. The fluid should just start to drip out, or be no more than 1/4" down from the hole. If it doesn't drip, stick your pinky in there. If it's low, it usually takes plain old Mercon/Dexron III ATF. You said you had manual hubs, but what do you do to engage the transfer case---manual lever on the floor, or switch on the dash ??? If it's the switch on the dash (ESOF), then it's definitely the ATF. If it's a manual lever on the floor, it might be something else--Check your owner's manual.
RON
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