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Super Moderator
1966 Crown Coupe, 2016 200 S AWD, 1962 Lark Daytona V8.
23,886 Posts
Any drivetrain fluid maintenance history from the previous owner? You may have the heavy-duty 45RFE or standard 42RLE transmission. Use ATF+4. The power steering flush would also be ATF+4.
Flushing the brake system with fresh fluid may also be a good idea if you can break the bleeder screws free.
The differential might also like a synthetic hypoid change and magnet/pan wipe.
Coolant should be the orange HOAT. It's usually good for every 5 years.
Lower ball joints could be worn. Uppers held out better as they really weren't load bearing components. Tie rods/rack should also have no side-to-side play.
The correct spark plug to use is listed on the underhood sticker and could be Champion or NGK. There are 100K mile platinum replacements, but the 30K mile coppers are recommended and may offer a better burn.
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