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- - 4x4 question (https://www.ford-trucks.com/forums/1003157-4x4-question.html)

Bryishre

10-21-2010 10:52 AM

4x4 question

Hi I have a 2001 EX 7.3 4x4. I put Warn manual locking hubs on it. The vac lines to the hubs were cracked. Question is do i need to plug the vac lines for the transfer case to engage the 4wd? Thanks

wallz

10-21-2010 08:35 PM

No, not for the transfer case, but for your interior vents to work. The vac system defaults to windshield only defrost when it has a vac leak, and it would do just that unless you plugged them. Also a good idea to plug the vac ports on the hubs also.

Bryishre

10-22-2010 01:11 PM

Thanks Wallz! Looks like i got a weekend prject. lol

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