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hdgene, ASE Certified Technician
Category: Transmissions
Satisfied Customers: 5634
Experience:  25 Years Automotive experience,ASE Master & L1 certified. Ford certified trans rebuilder
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What could cause a f350 to go into four wheel drive when you

Customer Question

what could cause a f350 to go into four wheel drive when you have not activated it. I have blown two universal joints.
Submitted: 1 year ago.
Category: Transmissions
Expert:  hdgene replied 1 year ago.

Hello, the 4x4 system can come on by itself if there is a problem with a shift fork inside the transfer case.They have plastic inserts on the forks that engage the shift collar inside and break and can cause the 4x4 system to come on if its an issue with the transfer case engaging.

Expert:  hdgene replied 1 year ago.

Hi,do you need more help with this concern?