Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1983 Omega.
The 1983 Oldsmobile Omega calls for a three-quart oil fill, with factory viscosity recommendations spanning 20W-20, 20W-40, and 20W-50 to accommodate varying operating temperatures. This specification reflects the lubrication strategy prescribed for the model year's powertrain configuration. Researchers consulting service records will find these figures consistent across the Omega's documented maintenance intervals for the period.
Fluid capacities, tune-up values and fuel economy at a glance.
Engine, drivetrain, dimensions and economy.
| Overall length | 182.7 in |
| Overall width | 69.7 in |
| Overall height | 54.7 in |
| Wheelbase | 104.7 in |
| Curb weight | 2520 lb |
Capacities, torques and tune-up values from the factory service manual.
This engine holds 3 qt of 20W-20 / 20W-40 / 20W-50 engine oil, DOT 3 brake fluid.
| Brake Fluid | DOT 3 |
| Engine Coolant | ETHYLENE GLYCOL |
| Engine Oil | 20W-20 · 20W-40 · 20W-50 · 15W-40 · 10W-30 · 10W-40 · 5W-30 |
| Engine Oil Capacity | 3 qt |
| Engine Oil | 20W-20 · 20W-40 · 20W-50 · 15W-40 · 10W-30 · 10W-40 · 5W-30 |
| Engine Oil Capacity | 4 qt |
| Power Steering Fluid | USE GM PART NO. 1050017 OR EQUIVALENT |
Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.
Showing 1 of 1 campaigns on record for this vehicle.
THE BRAKE PROPORTIONER VALVES MAY BREAK AND SEPARATE FROM THE MASTER CYLINDER. THIS WOULD ALLOW BRAKE FLUID TO LEAK AND WOULD RESULT IN A PARTIAL LOSS OF THE BRAKE SYSTEM. Remedy: THE DEALER WILL INSPECT AND, IF NECESSARY, REPLACE ALL SUSPECT VALVES.
The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.
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Cross-vehicle references for the kinds of data on this page.
3 qt of ABOVE 40 degrees F: 30, ABOVE 20 degrees F: 20W-20, 20W-40, 20W-50, ABOVE 10 degrees F: 15W-40, ABOVE 0 degrees F: 10W-30 OR 10W-40, BELOW 60 degrees F: 5W-30, per the factory manual.
NHTSA lists 1 recall campaign(s) for this model year. Check your specific vehicle by VIN.