Transmissions and Drivetrains
Oldsmobile Cutlass Supreme
Toyota 4Runner
Chevy Blazer S-10

Why won't my 98 Toyota 4 runner shift into 4 wheel drive?

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Wiki User
February 20, 2010 2:54AM

The front transfer case has a pneumatic actuator that can go bad, so the four wheel drive does not engage. This is one type of problem that can occur. I'm sure there are others.