Chevrolet 20206720 FRONT Side Door Window Regulator

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The procedure for adjusting the front door window regulators should therefore be done carefully and better done by professionals since there are dangers that accompany the regulator lift arm when it is pulled by the counter balance spring in the motor driven models. First, start by taking out the door trim panel, and the water deflector if available. The details of the door hardware design vary from model to model but the following processes are typical for adjustment. For rotation adjustments, in case an unequal space occurs at the top of the glass when in the fully raised position, nuts and bolts connecting the up stop as well as cam channel need to be loosened, the quantity required to be adjusted needs to be adjusted according to requirement and then again bolted tightly. Regarding the channel adjustments, if the glass is tightly or freely fitting, turn the glass to the half-open position, then, it is required to loosen the bolts of the glass stabilizer and filler assembly, the bolts of the adjusting stud and nut, the front run channel bolts, and the guide channel to support bolts. With all fasteners are loose, shut the door till the glass is properly positioned, then open it and tighten bolts in an opposite sequence. Check whether the window opens backward or not, if there is some problem, then do the work again. For in/out adjustments, where the window is positioned to or off the passenger compartment, place the glass in half open state, and then loosen the glass stabilizer and filler assembly bolts, adjusting stud and nut, front run channel bolts, rear guide channel bolts and guide channel-to-support bolts. Last, the glass stabilizer bolts require tightening to have the felt bumpers slightly touching the glass.