Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1984 Bonneville.
The 1984 Pontiac Bonneville is noted for its engine oil capacity of 4 qt and recommended viscosity of 10W‑30/5W‑30. Owner feedback records a single total complaint, with wheels identified as the top issue area, and the model was subject to two recalls. Compared with the Bonneville’s complaint history from 1990 to 2005 — where complaints peaked at 299 in 1998 and fell to a low of 27 in 2005 — the 1984 year sits early in the timeline with a markedly low complaint count.
Fluid capacities, tune-up values and fuel economy at a glance.
Engine, drivetrain, dimensions and economy.
| Overall length | 198.4 in |
| Overall width | 71.7 in |
| Overall height | 55.9 in |
| Wheelbase | 108.3 in |
| Curb weight | 3175 lb |
| Weight distribution (front / rear) | 55/45 |
Capacities, torques and tune-up values from the factory service manual.
This engine holds 4 qt of 10W-30 / 5W-30 engine oil, 80W-90 · GL-5 in the differential, DOT 3 brake fluid.
| Brake Fluid | DOT 3 |
| Differential Gear Oil | 80W-90 · GL-5 |
| Differential Gear Oil Capacity | 3.5 qt |
| Engine Coolant | ETHYLENE GLYCOL |
| Engine Oil | 10W-30 · 5W-30 |
| Engine Oil Capacity | 4 qt |
| Engine Oil | 10W-30 · 5W-30 |
| Engine Oil Capacity | 4 qt |
Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.
The federal safety record provided starts in 1990, so no complaints, recalls, investigations, or TSBs are listed for the 1984 Pontiac Bonneville. The only complaint category recorded for that year is “Wheels,” noted once, but the underlying issue or frequency is not quantified. Because the data does not include any years before 1990, the complaint and recall trends observed from 1990 onward cannot be aligned with the 1984 model, leaving its position in that arc unknown. Without a known root cause for any of the later years, no definitive safety pattern can be projected back to 1984. Accordingly, the available federal data does not provide sufficient evidence to deem the 1984 Bonneville a safe or reliable used purchase, and a cautious approach is advised.
All 1 complaints on record, top 1 components.
Source: NHTSA Office of Defects Investigation complaint database.
Showing 2 of 2 campaigns on record for this vehicle.
CERTAIN HONEYWELL FRAM RACING BRAND HP4 AND HP8 OIL FILTERS THAT WERE MANUFACTURED FROM MAY 25, 2006, THROUGH SEPTEMBER 14, 2007, AND SOLD FOR USE AS REPLACEMENT EQUIPMENT FOR VEHICLES LIST ABOVE. THE AFFECTED FILTERS… Remedy: HONEYWELL WILL REPLACE THE AFFECTED OIL FILTERS FREE OF CHARGE. THE RECALL BEGAN DURING NOVEMBER 2007. OWNERS CAN CONTACT FRAM CUSTOMER SERVICE TOLL-FREE AT 1-800-890-2075.
A SMALL NYLON BUSHING IN THE CRUISE CONTROL SERVO BAIL MAY SLIP OUT OF PLACE, CAUSING INTERMITTENT AND UNEXPECTED INCREASES IN ENGINE SPEED OR DIESELING (ENGINE RUN ON WITH IGNITION OFF). Remedy: INSTALL A NEW BUSHING IN CRUISE CONTROL SERVO BAIL.
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.
4 qt of ABOVE 40 degrees F: 30, ABOVE 0 degrees F: 10W-30, BELOW 60 degrees F: 5W-30, per the factory manual.
NHTSA lists 2 recall campaign(s) for this model year. Check your specific vehicle by VIN.