Foretravel Owners' Forum For owners and Fans of Foretravel Motorcoaches September 14, 2025 ...

Hydraulic Reservoir Gasket Information

February 13, 2020, 04:58:12 pm

Greetings.

I see a little oil at the engine compartment vent, at the upper drivers side.  After lifting the compartment door I found the round hydraulic reservoir had oil on it's top and around the clamp.  After reading the forum, I am confident it is likely time to change the gasket.

I have a 2001, U270 with the Cummins 350.  I have seen posts which include a replacement gasket part number.  Is the gasket common to most coaches?  I haven't noticed that a different gasket is required for the different engine options.

I would appreciate any insight.  After a 650 mile trip, the amount of oil was very minimal.

Thank you.

Quote Selected

Re: Hydraulic Reservoir Gasket Information

Reply #1 – February 13, 2020, 05:07:22 pm

Hydraulic reservoir top gasket: Cummins # 999-55A. V52 99955A

Quote Selected

Re: Hydraulic Reservoir Gasket Information

Reply #2 – February 13, 2020, 05:15:59 pm

Thank you. 

Quote Selected

Re: Hydraulic Reservoir Gasket Information

Reply #3 – February 13, 2020, 05:27:06 pm

I just checked recent service records.  The shop has a line item showing the "O-Ring" as being replaced along with the filter and oil top-off.

Anything to worry about?  Maybe clamp not installed correctly? Maybe overfilled oil?

??

Quote Selected

Re: Hydraulic Reservoir Gasket Information

Reply #4 – February 13, 2020, 05:32:03 pm

If the top gasket is new, tighten up the banjo bolts.  Assume the lid is on straight and gasket not damaged.

Probably take 5 minutes to clean it REALLY WELL, and take it off the check.

Quote Selected

Re: Hydraulic Reservoir Gasket Information

Reply #5 – February 13, 2020, 10:09:14 pm

If you need a new gasket, here's the one:    Filter gasket kit, 99955A, Fleetguard Cummins

jk

Quote Selected

Re: Hydraulic Reservoir Gasket Information

Reply #6 – February 13, 2020, 11:15:12 pm

Thank you Jack.

Quote Selected

Re: Hydraulic Reservoir Gasket Information

Reply #7 – February 16, 2020, 04:37:37 pm

Often the surfaces the gasket mates to are very rusted.  They need to be cleaned very well, like with a wire wheel, then repainted before the gasket will seal.

Quote Selected