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Old 07-28-2017, 02:08 PM   #1
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Mechanical fan drive gear box

I have a 2016 Winnebago journey 40 R with the cummins 400 hp engine on the freightliner chassis. I have almost 6000 miles on it. I have been going thru my maintenance manual which says it's time to change the oil in the mechanical fan drive gearbox and also time to lubricate the slip joint spline. I can see the fan from under the coach and thru the side compartment but I can not see behind the fan pulley to find the mechanical fan drive gear box or the slip joint spline. To get to the top hatch to look down from the top I have to disassemble the bathroom vanity. To avoid this I'm hoping someone here can tell me if this rear radiator coach has these two items or are they only used on side radiator coaches. Thanks in advance for any help you can give me.
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Old 07-28-2017, 07:12 PM   #2
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I have a 2016 Winnebago journey 40 R with the cummins 400 hp engine on the freightliner chassis. I have almost 6000 miles on it. I have been going thru my maintenance manual which says it's time to change the oil in the mechanical fan drive gearbox and also time to lubricate the slip joint spline. I can see the fan from under the coach and thru the side compartment but I can not see behind the fan pulley to find the mechanical fan drive gear box or the slip joint spline. To get to the top hatch to look down from the top I have to disassemble the bathroom vanity. To avoid this I'm hoping someone here can tell me if this rear radiator coach has these two items or are they only used on side radiator coaches. Thanks in advance for any help you can give me.
Best advice is to call Winnebago with your serial number handy and ask them.
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Old 07-28-2017, 08:35 PM   #3
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Thanks Bill. I just thought posting it here would get more replies and advice on the easiest way to do this. Winnebago produces a lot of coaches on the freightliner chassis with the rear radiator so I though more people would of run into this situation.
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Old 07-29-2017, 01:42 AM   #4
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"gcamper".....You DON'T have those components! The fan drive is for side radiator only. It's driven by a small drive shaft that is connected to what looks like an alternator and driven by a belt. Your rear radiator doesn't use this. You can move onto the next maintenance issue.
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Old 07-29-2017, 06:49 AM   #5
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"gcamper".....You DON'T have those components! The fan drive is for side radiator only. It's driven by a small drive shaft that is connected to what looks like an alternator and driven by a belt. Your rear radiator doesn't use this. You can move onto the next maintenance issue.


Thank you so much. That was my thinking but I had to make sure. I just could not get a clear view to make sure. Thanks
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Old 07-29-2017, 01:46 PM   #6
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Thank you so much. That was my thinking but I had to make sure. I just could not get a clear view to make sure. Thanks
Yep, Side rad only. They are nice mechanisms but Im would not think they would need that much maint. Maybe after initial service they require less...
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