Ford F150 Transfer case makes noise in 2 wheel mode...

Ford F150 Transfer case makes noise 2 wheel mode

We had a 2004 Ford F150 brought to us with a grinding noise while in 2 wheel drive mode. Once transfer case is shifted into the four wheel drive mode the noise went away. Could not make it happen with all four wheels off the ground.

What we found was a broken vacuum hose that ran from the IWE solenoid on the fire wall to the right front wheel. This is how the hubs are locked in on the front. Without vacuum the hubs are trying to engage but can’t. This causes a grinding noise.

Kings Transmission of Seattle

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