Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1983 CJ5.
The 1983 Jeep CJ5 is a rugged four‑wheel‑drive platform that continues the CJ series’ reputation for off‑road capability, powered by a modest yet dependable engine that requires a 2.5‑quart oil change with filter replacement; the recommended oil viscosities include 20W‑40, 20W‑50, or 10W‑30 API, offering flexibility for varying climate and load conditions. This model year sits at the tail end of a period marked by improved reliability compared to earlier CJ generations, meaning that, while still robust, owners should be mindful of its aging mechanical components and the need for diligent maintenance to preserve its durability.
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 2.5 qt w/ filter of 20W-40 / 20W-50 / 10W-30 API engine oil, Front: 75W- in the differential.
| Differential Gear Oil | Front: 75W- |
| Differential Gear Oil Capacity | 2.5 Pints |
| Differential Gear Oil | Front: 75W- |
| Differential Gear Oil Capacity | 4.8 Pints |
| Engine Coolant | ETHYLENE GLYCOL |
| Engine Oil | 20W-40 · 20W-50 · API · 10W-30 · 10W-40 · 5W-30 |
| Engine Oil Capacity | 2.5 qt w/ filter |
| Engine Oil | 20W-40 · 20W-50 · API · 10W-30 · 10W-40 · 5W-30 |
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.
No recall campaigns on record with NHTSA for this vehicle as of the last data refresh.
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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2.5 qt w/ filter of ABOVE 30 degrees F: 20W-40 OR 20W-50 API, ABOVE 0 degrees F: 10W-30 OR 10W-40 API, BELOW 60 degrees F: 5W-30 API, per the factory manual.
NHTSA lists 0 recall campaign(s) for this model year. Check your specific vehicle by VIN.