Annual Maintenance Guide
Preventative Maintenance Recommendations
Protect Your Investment and Keep Your Motorhome Performing at Its Best
Regular maintenance is essential to the performance, safety, and longevity of your motorhome. Use the guidelines below to stay on schedule and avoid unexpected issues on the road.
Preventative Maintenance Schedule
Service ItemRecommended Interval
ONAN GENERATORS
Oil, Fuel, Air Filters
150-250 hours
ENGINE OIL & FILTER
15,000 miles
6 months
FUEL FILTERS
15,000 miles
6 months
AIR FILTER
Check
15,000 miles
6 months
AIR DRYER FILTER
12 months
HYDRONIC SYSTEMS
Aqua-Hot, Oasis, etc.
12 months
ROOF A/C CLEANING & INSPECTION
12 months
REAR DIFFERENTIAL & FRONT HUBS
Check Every 6 Months
50,000 miles
CRANKCASE BREATHER FILTER
60,000 miles
ALLISON TRANSMISSION
Fluids & Filters
75,000 miles
36 months
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