The tranny is a 902 not 727 (torque flight) except I believe in an '83. about the 83 a tranny site will give that info for shure.
The firing order for a 1985 Chrysler Fifth Avenue with a 318 c.i. engine is 18436572.
Drivers Side, transmission below shift linkage
Try nada.com
All Chrysler 5th Aves from that era had A904 3-speed auto transmissions
The fuel filter on a 1985 Chrysler 5th avenue should be below the alternator on the passenger side of the car
15 to 18 mpg
$300 - $400
18 Gallons
35thousants.
depending on the accessories under the hood, it weighs approximately 3600 lbs.3300 - 3500 lbs (wikipedia.com: look up 1985 Chrysler 5th Avenue)
leaking wheel cylinder
the belt diogram should be right there wher your latch hoock is when you open your hood