The 1986 Toyota Dolphin is a compact motorhome built on the Toyota truck chassis, featuring a 2.4L 22R-E fuel-injected engine, 4-speed automatic transmission, rear-wheel drive, and comprehensive RV amenities including sleeping quarters, kitchenette, dining area, and bathroom facilities. Below are key sections for operation, maintenance, specifications, and troubleshooting.
The Toyota Dolphin combines Toyota truck reliability with full motorhome amenities in a compact package.
| Component | Description |
|---|---|
| Chassis | Toyota 1-ton truck chassis |
| Engine | 2.4L 22R-E 4-cylinder fuel-injected |
| Transmission | 4-speed automatic with overdrive |
| Fuel Capacity | 17.2 gallons |
| GVWR | 5,350 lbs |
| Sleeping Capacity | 4-6 persons |
| Length | 21 feet |
| Water Capacity | 20 gallons fresh, 15 gallons gray |
| Propane System | 20 lb tank for appliances |
| Electrical | 12V DC and 110V AC systems |
Proper operation ensures longevity and safety of your Toyota Dolphin.
WARNING! Always check overhead clearance before driving. Never operate propane appliances while driving.
Regular maintenance is crucial for vehicle safety and reliability.
| Interval | Service Items |
|---|---|
| Every 3,000 miles | Oil and filter change, tire pressure check |
| Every 7,500 miles | Rotate tires, inspect brakes, check fluid levels |
| Every 15,000 miles | Replace air filter, fuel filter, inspect suspension |
| Every 30,000 miles | Replace spark plugs, transmission service |
| Seasonal | Winterize water system, inspect roof seals |
| Annual | Propane system inspection, brake inspection |
Understanding your Dolphin's various systems ensures comfortable and safe operation.
Electrical System: Dual battery system with isolator; 30A shore power connection; circuit breaker panel located near entrance.
Water System: Demand water pump; water heater (6 gallon) with electric and propane operation; city water connection.
Propane System: Regulator and shutoff valve near tank; leak detector in living area; appliances include furnace, water heater, refrigerator, stove.
Waste Systems: Black water tank (15 gallon) with gate valve; gray water tank (15 gallon); macerator pump optional.
| Problem | Possible Cause | Solution |
|---|---|---|
| Engine won't start | Dead battery, fuel issue | Check battery connections, verify fuel pump operation |
| Overheating | Low coolant, radiator blockage | Check coolant level, clean radiator fins |
| Poor gas mileage | Tire pressure, dragging brakes | Inflate tires to proper PSI, check brake adjustment |
| Propane odor | Leak in system | Shut off propane immediately, check connections with soap solution |
| Electrical issues | Tripped breaker, dead battery | Reset breakers, check battery charge |
| Water pump not working | Fuse, pressure switch | Check fuse panel, test pressure switch |
Critical safety information for Toyota Dolphin owners.
EMERGENCY: In case of propane leak, evacuate immediately and call fire department.
Original warranty: 12 months/12,000 miles on chassis; 6 months on coach components. For technical support contact Toyota Customer Service at 1-800-331-4331. For coach-specific issues, contact National RV (manufacturer) at 1-800-322-6007. Keep maintenance records for warranty claims.
Note: Some components may have separate manufacturer warranties.