Driveshaft lubrication (my experience)
I recall seeing two different recommended driveshaft lubrication schedules for the Monaco Roadmaster chassis. One calls for lubing the driveshaft every 5000 miles and the other every 10,000 miles. I have never lubed my driveshaft on a mileage schedule and lube it twice a year. I even have an automatic calendar reminder send me an email every 6 months. I have noticed at times when lubing the driveshaft that it would take 5 or more shots at each zerk to get the grease to ooze out of the U-joints and the slip spline.
In May the wife and I, along with four other motorhomes, journeyed to Alaska and back. Before leaving on the trip, to be on the safe side, I lubricated the driveshaft. I also zeroed my GPS trip odometer before leaving the driveway. We rolled back into the driveway on August 19 and the trip mileage for the motorhome was 8126.5 miles. We have been spending a lot of time since we got back cleaning and repairing the motorhome. Last week I installed 4 new shocks on the front and repaired an oil leak on the filler tube.
Getting under the motorhome for that kind of work is an undertaking for me and I keep a large container in the garage filled with what I call grease clothes. After installing four shocks and repairing the oil leak I was filthy and my hair was in need of a good shampoo. Since I am already in this condition I might as well grease the driveshaft so out came the air powered grease gun. The motorhome had not moved since we returned from Alaska so the exact mileage between driveshaft lubes was 8126.5 miles. To my amazement it took at least 5 shots at each zerk to get the grease to ooze out.
Now I know this is not very scientific and smells a bit like a Tennessee shade tree mechanic, but it sure made me think a person should not ignore lubing the driveshaft past 10,000 miles. It also might be a good plan to track the miles between lubrication.
Bob
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Bob and Pam
2022 Quantum JM31
2023 Colorado Z71
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