Well never mind, it was impossible for me to move the arm to the other detent but the door moved it for me. I didn't realize they worked like that.

Unfortunately the door isn't totally smooth, still has some of that notchy feel to it, even with all the grease I dumped in there. The old check's grease had turned into a hard gum-like substance though so I can understand why it was so bad. I probably coulda reused the old one.

Stevo just grease it as much as you can, bolt it in, and gently move the door back and forward till the grease works its way along the rails.

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1985 CA 300D Turbo , 213K mi