hydraulic motor for engine cooling fan - Luxury Coach Lifestyles
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Old 10-29-2009, 03:03 AM   #1
timebum
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Default hydraulic motor for engine cooling fan

3 years ago while my 1999 coach (60 Series) was under warranty I had the hydraulic motor replaced because of seal failure (I think), as it was leaking a lot of oil. Today I checked the coolant level and the engine bay is once again awash with oil from the fan motor.

Am I the only one with this problem and is there a easy way to fix this problem?
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Old 10-29-2009, 07:20 PM   #2
Richard and Rhonda
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I have not had this issue, but If it is a repeat failure, then I would seriously look at the balance of the fan. Something is causing the seal to fail. That can be related to shaft runout, ergo the balance of the fan, or to comtaminant in the hydraulic fluid.

Are you sure the hyd oil is coming from the shaft seal area? Could you have a hose leak or connection leak?

Let us know what you find.

R
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