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    No 4wd and grinding noises

    Hello. I have a 94 GMC K1500, 5.7 L, 4L60. I have been trying to get 4WD to work. First, no light when floor shifted. Changed the actuator in the front differential/axle. Now I get the light. But 4Hi or 4Lo does not seem to engage the front axle still. Plus, 4Lo, when trying to get back to...
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