mine was bad too. you can get the mast from ebay. my mast was stuck but i forced it open a few times and waxed it after a good dose of oil and multiple ins and outs. mine also had the little timing belt broken. you can get a new one of these from stock drive products. i think the belt was less than $10 to my door.

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1982 300CD Turbo (Otis, "ups & downs") parts for sale
2003 TJ with Hemi (to go anywhere, quickly) sold
2001 Excursion Powerstroke (to go dependably)
1970 Mustang 428SCJ (to go fast)
1962 Corvette LS1 (to go in style)
2001 Schwinn Grape Krate 10spd (if all else fails)