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4 all-time

  1. All-time 4wd and different sized tires..

    Drivetrain Tech Center
    After lifting my 04 Grand Cherokee SE and upping the tire size to 255/70/r16, will using a spare tire thats not full size cause problems with using all-time 4wd? I have quadra drive meaning I only have 4 all-time and 4lo.. From what I have read the system detects speed differences between the...