1988 Coachmen Motorhome Repair Manual

The 1988 Coachmen Motorhome Repair Manual provides comprehensive technical information for maintaining and repairing 1988 Coachmen motorhome models. This manual covers engine systems, electrical systems, plumbing, chassis maintenance, interior components, and troubleshooting procedures specific to 1988 Coachmen motorhomes. Below are key sections for maintenance schedules, repair procedures, specifications, and troubleshooting guidance.

1. Maintenance Schedule 2. Engine Systems 3. Electrical Systems 4. Plumbing & Water Systems 5. Chassis & Suspension 6. Interior Components 7. Exterior Maintenance 8. Heating & Cooling 9. Safety Systems 10. Technical Specifications 11. Troubleshooting

Maintenance Schedule

Regular maintenance intervals for 1988 Coachmen motorhome components and systems.

Interval	Service Required
Every 3,000 miles	Oil change, filter replacement, fluid checks
Every 6,000 miles	Tire rotation, brake inspection, suspension check
Every 12,000 miles	Transmission service, coolant flush, belt inspection
Every 24,000 miles	Fuel system service, brake fluid replacement
Seasonal	Water system winterization, battery maintenance
Annual	Propane system inspection, generator service

Engine Systems

Repair and maintenance procedures for 1988 Coachmen motorhome engines.

Engine oil change: Drain old oil, replace filter, refill with recommended oil type.
Spark plug replacement: Remove old plugs, gap new plugs, install with proper torque.
Cooling system: Check coolant level, inspect hoses, flush system as needed.
Fuel system: Replace fuel filter, inspect fuel lines, check fuel pump operation.

WARNING! Always disconnect battery before working on electrical components. Allow engine to cool before servicing.

Electrical Systems

Diagnosis and repair of 1988 Coachmen motorhome electrical systems.

Battery maintenance: Check water levels, clean terminals, test voltage.
Converter/charger: Test output voltage, inspect wiring, replace if faulty.
12V DC system: Check fuses, test lights, inspect wiring harness.
120V AC system: Test outlets, inspect shore power cord, check breaker panel.

CAUTION! Always use proper electrical safety equipment when testing live circuits.

Plumbing & Water Systems

Fresh water system: Inspect pump, check for leaks, sanitize tank.
Water heater: Drain sediment, test heating elements, check anode rod.
Waste systems: Inspect valves, check for leaks, maintain seals.
Winterization: Drain all water, add antifreeze, protect fixtures.
Fixtures: Repair faucets, replace seals, maintain shower components.

Chassis & Suspension

Maintenance and repair of 1988 Coachmen motorhome chassis components.

Brake system: Inspect pads/shoes, check fluid, test parking brake. Suspension: Check shocks/struts, inspect leaf springs, test sway bars. Steering: Check power steering fluid, inspect tie rods, test alignment.

Tire maintenance: Check pressure, inspect for wear, rotate regularly. Wheel bearings: Repack annually, check for play, replace if worn.

Interior Components

Repair and maintenance of 1988 Coachmen motorhome interior systems.

Appliances: Test refrigerator, stove, microwave operation.
Furniture: Repair slides, replace cushions, maintain table mechanisms.
Cabinets: Adjust doors, repair hinges, maintain latches.
Flooring: Repair damaged sections, maintain transitions, clean properly.

Tip: Use manufacturer-approved parts for appliance repairs.

Exterior Maintenance

Care and repair of 1988 Coachmen motorhome exterior components.

Body repair: Fix fiberglass damage, repair seams, maintain paint.
Roof maintenance: Clean regularly, inspect seals, repair leaks.
Windows: Maintain seals, repair mechanisms, replace if cracked.
Doors: Adjust alignment, maintain locks, replace weather stripping.
Awnings: Clean fabric, lubricate mechanisms, inspect arms.

WARNING! Use proper safety equipment when working on roof or elevated areas.

Heating & Cooling

Maintenance of 1988 Coachmen motorhome climate control systems.

Furnace: Clean burner, check airflow, test safety switches. Air conditioner: Clean coils, check refrigerant, test compressor. Thermostat: Calibrate settings, test operation, replace if faulty.

Safety Systems

Inspection and maintenance of 1988 Coachmen motorhome safety equipment.

CAUTION! Test all safety systems regularly and replace expired components.

Technical Specifications

1988 Coachmen motorhome technical data and component specifications.

Engine Options: Various gasoline engines available
Transmission: 3-speed automatic standard
Fuel Capacity: 40-55 gallons depending on model
Water Capacity: 40-60 gallons fresh water
Electrical: 12V DC and 120V AC systems
LP Gas: 20-30 pound capacity
Weight: Varies by model and configuration
Dimensions: Length 24-31 feet, height 10-11 feet

Troubleshooting

Symptom	Possible Cause	Corrective Action
Engine won't start	Battery, fuel, ignition	Check battery charge, test fuel pump, inspect spark plugs.
Electrical failure	Fuses, converter, wiring	Check all fuses, test converter output, inspect for shorts.
Water pump not working	Power, switch, pump	Check 12V power, test switch, replace pump if needed.
Refrigerator not cooling	Power, thermostat, cooling unit	Check power source, test thermostat, inspect cooling unit.
Brake problems	Fluid, pads, adjustment	Check fluid level, inspect brake components, adjust as needed.

Emergency Procedures: Know location of fire extinguisher, emergency exits, and shut-off valves.

Technical Support: Contact Coachmen customer service for specific technical questions.