1992 Buick Roadmaster oil changes

1992 BUICK ROADMASTER
126,000 MILES • V8 • 2WD • AUTOMATIC
Avatar
JWMELLOR
  • MEMBER
  • 1 POST
what types of oil ang grades are usedon the rear end limited slip dif. and engine
Nov 3, 2010 at 6:11 PM
Advertisement
Avatar
BLUELIGHTNIN6
  • ASE Certified Mechanic
  • 16,542 POSTS
  • ASE Certified Mechanic
80W-90 GL-5 gear lubricant + 4 ounces of limited slip additive for the rear end

5w-30 Motor oil for engine
Nov 3, 2010 at 6:39 PM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.