Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1984 Omni.
The 1984 Dodge Omni specifies a 3-quart engine oil capacity when including the filter. The design accommodates viscosity grades spanning 20W-20, 15W-40, and 5W-30, offering flexibility across operating temperatures. These fluid specifications constitute the primary maintenance reference points for this model year, establishing the precise capacity and lubrication standards that govern its routine service protocol.
Fluid capacities, tune-up values and fuel economy at a glance.
Engine, drivetrain, dimensions and economy.
| Overall length | 165 in |
| Overall width | 65.7 in |
| Overall height | 53.1 in |
| Wheelbase | 99.2 in |
| Curb weight | 2119 lb |
| Weight distribution (front / rear) | 60/40 |
Capacities, torques and tune-up values from the factory service manual.
This engine holds 3 qt w/ filter of 20W-20 / 15W-40 / 5W-30 engine oil, DOT 3 brake fluid.
| Brake Fluid | DOT 3 |
| Engine Oil | 20W-20 · 15W-40 · 5W-30 · 5W-40 |
| Engine Oil Capacity | 3 qt w/ filter |
| Engine Oil | 20W-20 · 15W-40 · 5W-30 · 5W-40 |
| Engine Oil Capacity | 4 qt w/ filter |
| Engine Oil | 20W-20 · 15W-40 · 5W-30 · 5W-40 |
| Engine Oil Capacity | 3.0 qt |
| Engine Oil | 20W-20 · 15W-40 · 5W-30 · 5W-40 |
Condensed service procedures for routine maintenance. Procedures that require dealer diagnostic equipment are identified and summarized only.
| Tool required | DRBIII scan tool (dealer / locksmith) |
| Why | Transmitter codes are written into the receiver in the passenger door module |
| When needed | After Sentry Key Immobilizer Module (SKIM) replacement |
| Tool required | DRBIII scan tool |
| Also required | The vehicle's four-digit PIN code |
Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.
Showing 2 of 2 campaigns on record for this vehicle.
FEDERAL MOGUL IS RECALLING 6,903 AFTERMARKET BALL JOINT ASSEMBLIES SHIPPED BETWEEN NOVEMBER 9, 2007 AND MARCH 26, 2008, WHICH MAY HAVE BEEN PACKAGED WITH INCORRECT NUTS. THE PART NUMBERS PACKAGED WITH INCORRECT NUTS… Remedy: FEDERAL MOGUL WILL NOTIFY OWNERS AND REPLACE THE PARTS FREE OF CHARGE. THE RECALL BEGAN ON MAY 22, 2008. OWNERS CAN CONTACT FEDERAL MOGUL AT 877-489-6659.
THE POTENTIAL FOR FUEL LEAKAGE EXISTS IN THE ENGINE COMPARTMENT AT THE FUEL RESERVOIR SEAM AND ITS HOSE CONNECTIONS. THE FUEL RESERVOIR IS A SILVER COLORED CAN MOUNTED TO THE AIR CLEANER. Remedy: THE HOSES AND THE METAL TUBE THAT ATTACHES TO THE FUEL RESERVOIR WILL BE REPLACED WITH NEW COMPONENTS. THE DEALER WILL ALSO REPLACE OR RESEAL THE RESERVOIR.
Showing 1 of 1 bulletins on record with NHTSA.
| Bulletin | Date | Component | Summary |
|---|---|---|---|
| 14-48-84 | 1984-12-01 | Equipment | ENGINE SAG/POOR PERFORMANCE AFTER HOT RESTART DUE TO FUEL FOAMING- PROCEDUR ES AND |
The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.
Decode factory build data for a specific vehicle by VIN.
Find every vehicle that shares this one's battery, bulbs, oil capacity, platform or parts.
Cross-vehicle references for the kinds of data on this page.
3 qt w/ filter of ABOVE 20 degrees F: 30, 20 degrees F TO 80 degrees F: 20W-20, ABOVE 10 degrees F: 15W-40, BELOW 100 degrees F 5W-30 OR 5W-40, BELOW 60 degrees F: 5W-30, 5W-40, per the factory manual.
NHTSA lists 2 recall campaign(s) for this model year. Check your specific vehicle by VIN.