I would have to say a complete radiator/block flush. Tranny flush. Tranny filter and pan gasket replaced. Oil CHANGE. Brake system flush. Check brakes. Tune up. Lube of all bushings including body bushings. have your suspension checked. Tires checked for wear. Oh. Check the motor mounts. Think that's about all I can think of. This is more like a 100k check but it won't hurt.
I've seen some huge maintenance manuals at big libraries. There also might be some cheap ones on Amazon.com or eBay.
It should be attached to the carburetor.
will the fenders from a 1971 Buick Skylark Custom fit a 1972 Buick Skylark?
Google 1996 Buick Regal Custom and see.
Where is the transmission solenoid located on a 1995 buick skylark custom?
where is the drain plug for the radiator on a 1992 buick regal custom
Where do you find starter relay for 99 buick lesabre custom
Custom is lower end. Limited has more features.
The 2014 Buick Verano has free maintenance for 2 yr./ 24000 mi..
The 2014 Buick Encore has free maintenance for 2 yr./ 24000 mi..
The 2014 Buick LaCrosse has free maintenance for 2 yr./ 24000 mi..
check in the glove box....there should be an access panel there