Price and Compare Vehicles: A common problem for older Broncos is for the tailgate window lift mechanism to fail. This fix is for when the window stops moving but the motor still runs.
Comments from readers: Mike I have a 1978 Bronco. I found that a power window motor and gear housing from a 1988 Lincoln Town Car rear car door will bolt in exactly into the tailgate. I had a 1988 Town car I used for a demo derby, I kept the window motors. One day, my rear window motor puked on my bronco. I couldn't believe that a window motor from a CAR that was TEN years newer was the exact same thing. The front window motor gear housings are slightly different, but the motors will bolt up to a gear housing that will work. Robert I disassembled an old ('78) Bronco rear window motor I have, and found that the little round drive pins were (unsurprisingly) powder. I also confirmed that the 4th generation ('88-'96) Corvette headlight motor bushings work here; they're Delrin, $4.99, P.N. 601-703 from Mid-America Designs in Effingham, Ill. (1-800-500-VETT) The bronze gear that Mid-America has for Corvettes is a little different story: it is the correct gearing, width and diameter, but has a raised boss on one side that could easily be machined off by someone with access to a lathe - or even a mill. It's (going from memory now) approx. 0.100" too thick on one side only. Mid-America sells it with replacement bushings included (that are somewhat oversize) for $60, a little pricey I think, but having installed two in Corvettes, I know it functions flawlessly there, so the gear machining is good. Overall, the 'Vette headlamp motor and Bronco rear window motors look near as dammit to being identical.
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Posted Sep 02 2007 03:14AM
