Walter Meares wrote: > > I have an 85 4kq. It looks like both diff lock servos have failed. Walt, If the car is not in motion you may not get the servos to engage. In order for you to check properly, put the car on jackstands, start it in neutral, and engage the diff locks. Than you must turn the wheels to align the splines. if they engage this way then they are fine. Hope this helps.