Question about Cars & Trucks
What was your test to determine the failure ?
if you jacked up one end and the car didn't drive off the jacks , that is how an all wheel drive works
It has a differential in the transmission that allows the front axle to drive at different speeds to the rear ( same as one wheel on the axle will go faster than the other when going around corners)
it is used to prevent torque wind up in the drive train and destroying transmissions , diffs and drive lines
it has to have all 4 wheels on the ground so that the 3rd diff is not operational unless going over a speed bump or dips in the road
however if you have a 4 wheel lock for the transmission, that is different as it locks up the 3rd diff in the transmission making the car a 4 x 4
Posted on Dec 03, 2016
Testimonial: "New it was not working on the snow this morning. Trying to go up a hill and only the right rear wheel was spinning. Thought there was a problem yesterday, but today someone with me got out and looked. Definitely only one wheel spinning."
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Posted on Jan 02, 2017
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