Yes
how do you replace the window regulater on a 89 cadillac deville?
yes
Perhaps one from a contemporary Cadillac DeVille or Fleetwood may work, those are about the closest equivalents.
What is the spark plug gap setting for a 89 cadillac deville?
No, the wagon bumpers were different
Yes it would fit, it is a smaller engine a (4.5L V8 for the '89 vs. the 4.9L for the '93) but would it work with the 1993's transaxle and computer is the question. I am not sure because both engines were similar the 4.9L V8 is larger verison of the 4.5L V8 which was used in Devilles from 1988-1990.
No, those two years are not interchangeable. You will need the core support from a 91 to replace the 89.
4.5L V8
89 cadillac deville 4.5 v8 fireing ordre or timing ordre
NO vac pump in the '79 87&89 Brougham 85-87 deville 89-93 deville 86-86 eldorado 85-87 fleetwood 89-93 fleetwood 86-86 Seville
How long does it take to remove a steering column on a 1989 Cadillac Deville