Buick: 1990

Database: CHARM

CHARM manuals were retrieved from a set of DVDs released in late 2013. These manuals are usually the most detailed for the years in which they're available, but occasionally have missing or cut-off images.


• Century
  • L4-151 2.5L VIN R TBI
  • V6-204 3.3L VIN N FI
• Electra V6-231 3.8L VIN C SFI
• Electra Estate Wagon V8-307 5.0L
• Electra Park Avenue V6-231 3.8L VIN C SFI
• LeSabre V6-231 3.8L VIN C SFI
• LeSabre Estate Wagon V8-307 5.0L VIN Y 4-bbl
• Reatta V6-231 3.8L VIN C SFI
• Regal
  • V6-191 3.1L
  • V6-231 3.8L VIN L SFI
• Riviera V6-231 3.8L VIN C SFI
• Skylark
  • L4-138 2.3L DOHC VIN D MFI QUAD 4
  • L4-151 2.5L
  • V6-204 3.3L VIN N FI

Database: LEMON

LEMON manuals were retrieved in late 2025, so they have more up to date technical bulletins for example. However, they tend to be less detailed for older vehicles.


• Century
  • Custom, 2D Coupe, 2.5 R, 125C/MD9
  • Custom, 2D Coupe, 2.5 R, 3T40/MD9
  • Custom, 2D Coupe, 3.3 N, 125C/MD9
  • Custom, 2D Coupe, 3.3 N, 3T40/MD9
  • Custom, 2D Coupe, 3.3 N, 440T4/ME9
  • Custom, 2D Coupe, 3.3 N, 4T60/ME9
  • Custom, 4D Sedan, 2.5 R, 125C/MD9
  • Custom, 4D Sedan, 2.5 R, 3T40/MD9
  • Custom, 4D Sedan, 3.3 N, 125C/MD9
  • Custom, 4D Sedan, 3.3 N, 3T40/MD9
  • Custom, 4D Sedan, 3.3 N, 440T4/ME9
  • Custom, 4D Sedan, 3.3 N, 4T60/ME9
  • Custom, 4D Wagon, 2.5 R, 125C/MD9
  • Custom, 4D Wagon, 2.5 R, 3T40/MD9
  • Custom, 4D Wagon, 3.3 N, 440T4/ME9
  • Custom, 4D Wagon, 3.3 N, 4T60/ME9
  • Limited, 4D Sedan, 2.5 R, 125C/MD9
  • Limited, 4D Sedan, 2.5 R, 3T40/MD9
  • Limited, 4D Sedan, 3.3 N, 440T4/ME9
  • Limited, 4D Sedan, 3.3 N, 4T60/ME9
  • Limited, 4D Wagon, 2.5 R, 125C/MD9
  • Limited, 4D Wagon, 2.5 R, 3T40/MD9
  • Limited, 4D Wagon, 3.3 N, 440T4/ME9
  • Limited, 4D Wagon, 3.3 N, 4T60/ME9
• Electra
  • Limited, 440T4/ME9
  • Limited, 4T60/ME9
  • Park Avenue Ultra, 440T4/ME9
  • Park Avenue Ultra, 4T60/ME9
  • Park Avenue, 440T4/ME9
  • Park Avenue, 4T60/ME9
  • T-Type, 440T4/ME9
  • T-Type, 4T60/ME9
• Estate Wagon
• LeSabre
  • Base, 440T4/ME9
  • Base, 4T60/ME9
  • Custom, 440T4/ME9
  • Custom, 4T60/ME9
  • Limited, 2D Coupe, 440T4/ME9
  • Limited, 2D Coupe, 4T60/ME9
  • Limited, 4D Sedan, 440T4/ME9
  • Limited, 4D Sedan, 4T60/ME9
• Reatta
  • 2D Convertible, 440T4/ME9
  • 2D Convertible, 4T60/ME9
  • 2D Coupe, 440T4/ME9
  • 2D Coupe, 4T60/ME9
• Regal
  • Custom, 3.1 T, 440T4/ME9
  • Custom, 3.1 T, 4T60/ME9
  • Custom, 3.8 L, 440T4/ME9
  • Custom, 3.8 L, 4T60/ME9
  • Gran Sport, 440T4/ME9
  • Gran Sport, 4T60/ME9
  • Limited, 3.1 T, 440T4/ME9
  • Limited, 3.1 T, 4T60/ME9
  • Limited, 3.8 L, 440T4/ME9
  • Limited, 3.8 L, 4T60/ME9
• Riviera
  • 440T4/ME9
  • 4T60/ME9
• Skylark
  • Base, 2D Coupe, 125C/MD9
  • Base, 2D Coupe, 3T40/MD9
  • Base, 4D Sedan, 125C/MD9
  • Base, 4D Sedan, 3T40/MD9
  • Custom, 2D Coupe, 2.3 D, 125C/MD9
  • Custom, 2D Coupe, 2.3 D, 3T40/MD9
  • Custom, 2D Coupe, 2.5 U, 125C/MD9
  • Custom, 2D Coupe, 2.5 U, 3T40/MD9
  • Custom, 2D Coupe, 3.3 N, 125C/MD9
  • Custom, 2D Coupe, 3.3 N, 3T40/MD9
  • Custom, 4D Sedan, 2.3 D, 125C/MD9
  • Custom, 4D Sedan, 2.3 D, 3T40/MD9
  • Custom, 4D Sedan, 2.5 U, 125C/MD9
  • Custom, 4D Sedan, 2.5 U, 3T40/MD9
  • Custom, 4D Sedan, 3.3 N, 125C/MD9
  • Custom, 4D Sedan, 3.3 N, 3T40/MD9
  • Gran Sport, 2.3 D, 125C/MD9
  • Gran Sport, 2.3 D, 3T40/MD9
  • Gran Sport, 2.5 U, 125C/MD9
  • Gran Sport, 2.5 U, 3T40/MD9
  • Gran Sport, 3.3 N, 125C/MD9
  • Gran Sport, 3.3 N, 3T40/MD9
  • Luxury, 2.3 D, 125C/MD9
  • Luxury, 2.3 D, 3T40/MD9
  • Luxury, 2.5 U, 125C/MD9
  • Luxury, 2.5 U, 3T40/MD9
  • Luxury, 3.3 N, 125C/MD9
  • Luxury, 3.3 N, 3T40/MD9