Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1991 P-Series RV/Van Commercial Chassis.
The 1991 Chevrolet P‑Series RV/Van Commercial Chassis is a robust, utilitarian platform built on a sturdy body designed for heavy-duty service, running on a dependable power train that has historically attracted minimal owner complaints—only one noted across the model’s history, concentrated in the power‑train area—while enjoying the benefit of zero recalls. Its maintenance routine includes a modest 4‑quart oil change with 5W‑30 API‑rated oil, underscoring the chassis’s emphasis on reliability and ease of upkeep. In the broader context of the P‑Series lineage, this model year stands out for its exceptional reliability record, positioning it as a dependable choice for commercial operators seeking long‑term performance with minimal service interruptions.
Fluid capacities, tune-up values and fuel economy at a glance.
Capacities, torques and tune-up values from the factory service manual.
This engine holds 4 qt of 5W-30 API 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 | 14.0 qt |
| Differential Gear Oil | 80W-90 · GL-5 |
| Differential Gear Oil Capacity | 5.5 qt |
| Engine Coolant | ETHYLENE GLYCOL |
| Engine Oil | 5W-30 · API |
| 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.
Owner complaints about the 1991 Chevrolet P-Series RV/Van Commercial Chassis dominate in one area — the power train, 1 of 1 reports (100%), well ahead of the next concern. NHTSA has issued no recalls for this vehicle, so these are owner-reported concerns only. 0 of the reports describe a crash and 0 a fire — a small share of the total, but worth weighing against the power train pattern above. These are tallies of what owners actually reported to the federal government, not an editorial score — and higher-selling models naturally rack up more reports.
All 1 complaints on record, top 1 components.
Source: NHTSA Office of Defects Investigation complaint database.
No recall campaigns on record with NHTSA for this vehicle as of the last data refresh.
Showing 5 of 6 bulletins on record with NHTSA.
| Bulletin | Date | Component | Summary |
|---|---|---|---|
| 000604002 | 2000-01-01 | Engine And Engine Cooling | SUBJECT REGARDING A HARD, NO START OR EXCESSIVE GRAY OR WHITE SMOKE CONDITION ON START UP… |
| 98831110 | 1998-02-01 | Engine And Engine Cooling | VEHICLES WITH 6.0L AND 7.0L ENGINES (VINS P, M - RPOS LS0, LR0) MAY EXHIBIT ENGINE… |
| 376105 | 1995-02-01 | Engine And Engine Cooling | COLD ENGINE KNOCK. *TW |
| 376602A | 1995-01-01 | Engine And Engine Cooling | NEW CAST IRON EXHAUST MANIFOLD AND STAINLESS STEEL GASKET TO CORRECT ENGINE NOISE… |
| 476149 | 1994-12-01 | Unknown Or Other | OIL PRESSURE GAUGE READING CONCERNS. *TW |
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 5W-30 API, per the factory manual.
NHTSA lists 0 recall campaign(s) for this model year. Check your specific vehicle by VIN.