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R.C.Bishop (Chuckllb)
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Username: Chuckllb

Post Number: 964
Registered: 7-2006
Posted From: 75.210.7.85

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Posted on Thursday, November 12, 2009 - 8:18 pm:   

After a recent trip (which brought engine temps to 240 degrees- reported elsewhere on this board) I discovered about 2/3 of the power steering fluid in the reservoir to be "missing"...could possibly explain the "wet" condition of the front of the engine....

...but does not explain why the fluid is "shooting" out the 3/8 inch "dipstick" opening at the top of the reservoir...not constantly, but under stress as an extreme turn of the steering wheel.

Questions: 1) does heat necessarily have anything to do with the situation...2) would a low amount of fluid in the reservoir possibly cause the problem of "shooting out" fluid....3) are "rebuild kits" for this model Vickers available?

Thanx in advance for the vast knowledge on this great board...no I have not yet called Luke.

RCB
Luvrbus (Luvrbus)
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Username: Luvrbus

Post Number: 793
Registered: 8-2006
Posted From: 74.33.54.207

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Posted on Thursday, November 12, 2009 - 8:26 pm:   

Chuck has the filter inside the housing been changed ?
john w. roan (Chessie4905)
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Username: Chessie4905

Post Number: 1750
Registered: 10-2003
Posted From: 71.58.71.157


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Posted on Thursday, November 12, 2009 - 8:52 pm:   

when you get air in the system, as when a leak allows the fluid to get too low, the air that gets into the system because of getting low and pump sucking air, like at extreme travel of wheel, you'll get the air and fluid to expand and come out of the overflow. Fix the leak,s, bleed the system, maintain proper fluid level, and your problem should go away, unless the air is coming into the system on the return or suction line because of a small leak that may not leak oil, but will draw in air.
R.C.Bishop (Chuckllb)
Registered Member
Username: Chuckllb

Post Number: 965
Registered: 7-2006
Posted From: 75.210.7.85

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Posted on Thursday, November 12, 2009 - 10:38 pm:   

Luvr...no filter in this system....see VT16 (Google) a PDF shows complete setup...matches my manual. I hate to begin to take this thing apart IF there could be another solution....but thanx for the input.

JWR...I think you have given me a bit of hope here...but question....how does one "flush" the system (manual says to do that). I "ass u me" that in bleeding the system one would drain and refill....simple enuf, but flush??...with what? :-)

BTW.. we had quite a discussion on this board about the VT16 pump in about 2005, as I recall, albeit none of this was covered..:-(

Thanx.

RCB

(Message edited by Chuckllb on November 12, 2009)
David Evans (Dmd)
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Username: Dmd

Post Number: 387
Registered: 10-2004
Posted From: 173.77.211.93


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Posted on Thursday, November 12, 2009 - 10:57 pm:   

There is a procedure on some steering systems where you make so many turns and hold while you bleed the air. then the other direction and repeat. Does the manual cover that?
R.C.Bishop (Chuckllb)
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Username: Chuckllb

Post Number: 967
Registered: 7-2006
Posted From: 75.210.75.44

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Posted on Friday, November 13, 2009 - 9:16 pm:   

It turns out, apparently, that a sheered bolt holding the reservoir to the casting allowed a leak...which must have depleted the fluid.

Now the unit is off the engine, taken apart and sheered bolt removed......

But can't find a "rebuild kit" for it.
I've about exhausted what I've been able to find on the "net"....though the manual for this pump is still available for download thru Eaton and others. Strange.

Fridays are not a good day to find parts, so am
hoping a direct call to Eaton next week will produce results....other than that, any suggestions would be appreciated; the plate on the unit reads "VT16 100 40 75 50 10S10"

Thanx,
RCB
R.C.Bishop (Chuckllb)
Registered Member
Username: Chuckllb

Post Number: 1002
Registered: 7-2006
Posted From: 70.210.157.105

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Posted on Wednesday, December 02, 2009 - 10:50 am:   

Rebuilt the pump and...still have an overflow problem....emptied the reservoir within a couple of minutes...when turning the wheel.

Anybody have any experience with a Garrison Steering Valve? (G21 Series)

They tell me that the valve should not have anything to do with it! (I absolutely agree with them :-)) but I'm not so sure.

I am thinking of "blowing the lines twixt the two entities. I really do not cherish pulling it "for something to do".

...any comments?

Thanx.
RCB
R.C.Bishop (Chuckllb)
Registered Member
Username: Chuckllb

Post Number: 1003
Registered: 7-2006
Posted From: 70.210.157.105

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Posted on Wednesday, December 02, 2009 - 11:01 am:   

BTW..for those needing Vickers re-build kits= Pro-Active Fluid Power, 586-465-6708...They are in Michigan. Would advise "steering clear" of Metro Fluid Power, also in Michigan.

FWIW
RCB
R.C.Bishop (Chuckllb)
Registered Member
Username: Chuckllb

Post Number: 1004
Registered: 7-2006
Posted From: 70.210.157.105

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Posted on Wednesday, December 02, 2009 - 2:49 pm:   

Had a visit with a friend who runs a large vehicle facility here in Las Cruces. He feels there is no problem other than air in the system.

Advised I disconnect the return line, plug that opening at the pump, fill the reservoir with fluid and run the engine to "purge all the air", of course, putting a clean container at the end of the return hose to capture and re-use the fluid.

He says it will take a long time to rid the system of air, particularly since the lines are both so long. Suggested running the engine a while...shut it off to "let the fluid settle"; then repeat the process several times BEFORE attempting to turn the wheel.

Then start the engine and turn the wheel a maximum of 1/4 turn, still letting the fluid run into the can; repeat the process, in both directions until all air is removed. Not unlike bleeding brakes.

My afternoon is going to be filled with activity, I sense...we'll see....keeping my fingers crossed.


Incidentally...he felt that was probably the case in the beginning (see the top of this thread).
FWIW
RCB

(Message edited by Chuckllb on December 02, 2009)
R.C.Bishop (Chuckllb)
Registered Member
Username: Chuckllb

Post Number: 1005
Registered: 7-2006
Posted From: 75.210.46.24

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Posted on Thursday, December 03, 2009 - 9:54 pm:   

All's well that ends well...followed instructions, and wallah.......best "feel" in steering since I have owned the coach. (8 years ++)

For all that are interested....????, hope this experience might lend some "help".

FWIW
RCB

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