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Engine Discussion of preventative/corrective maintenance and other technical issues regarding your coach's engine.

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  #1  
Old 12-25-2019
GridIronBDog GridIronBDog is offline
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Default Hydraulic line leak?

Hey all, Merry Christmas!

Drove the coach the other night and my engine light came on. Traveled over the weekend and came home to this Christmas gift under the engine.





Can someone tell me what is going on here? Is this fluid to the power steering and fan? 6V92, 94 WB40
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Shawn Ashbaugh
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94 WB40, 8V92

Last edited by GridIronBDog; 12-25-2019 at 04:08 PM.
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Old 12-25-2019
DW SD DW SD is offline
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Quote:
Originally Posted by GridIronBDog View Post
Hey all, Merry Christmas!

Drove the coach the other night and my engine light came on. Traveled over the weekend and came home to this Christmas gift under the engine.





Can someone tell me what is going on here? Is this fluid to the power steering and fan? 6V92, 94 WB40
Are you sure a 6V? I’d have thought 8V. But not sure that matters for your question.
That is a coolant line. Not hydraulic line.
What color is the fluid?
Maybe your low coolant sensor tripped the check engine.
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Old 12-25-2019
GridIronBDog GridIronBDog is offline
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I was told 6V92. I’m on a steep learning curve.

Yes, I thought it was part of the coolant system, but the fluid is clear and has an oily texture, unlike any coolant I have encountered.
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94 WB40, 8V92
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Old 12-25-2019
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Originally Posted by GridIronBDog View Post
I was told 6V92. I’m on a steep learning curve.

Yes, I thought it was part of the coolant system, but the fluid is clear and has an oily texture, unlike any coolant I have encountered.
Shawn, You have an 8v92 and there is nothing but coolant that could be coming from that line. That big black tank to the left is your tank for your hydraulic fluid for your power steering. That oil should be 10W30 but does not go over the right of the engine. If your check engine light came on then it more than likely will be the coolant low sensor in he expansion tank at top center of engine bay. There is a "sight glass" that should show coolant if full. If not then you need to ad. This is where it gets iffy. You don't know what type of coolant you have in there. Most of us have a pink color coolant but green can be acceptable with proper additives but NEVER mix the two. So be sure what you have before you ad.
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Old 12-25-2019
GridIronBDog GridIronBDog is offline
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Thanks y’all. I will see if I can figure out the type of coolant, but definitely need to figure out why the hoses are leaking as well. I’m wondering if it has to do with a warm climate bus not used to a colder climate.
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Shawn Ashbaugh
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94 WB40, 8V92
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Old 12-25-2019
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Randy Dupree Randy Dupree is online now
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Did you try to tighten the clamp?
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Old 12-25-2019
GridIronBDog GridIronBDog is offline
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Yes, I tightened it to the point where I am getting close to being afraid to tighten it more.
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94 WB40, 8V92
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Old 12-25-2019
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Quote:
Originally Posted by GridIronBDog View Post
Thanks y’all. I will see if I can figure out the type of coolant, but definitely need to figure out why the hoses are leaking as well. I’m wondering if it has to do with a warm climate bus not used to a colder climate.
Many of the buses leak when they first hit cold temps. They have been heated up to the max all year long and everything has expanded. Then you park it and and everything contracts except for the hose clamps. Constant torque clamps took care of mine leaking in cold temps. After my first winter and in the spring I ran into your issue. I could not start the bus because of low coolant and filled up the tank and I was good to go.
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Old 12-25-2019
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Loosen the clamp and slide it up or down and retighten.
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  #10  
Old 12-25-2019
GregOC GregOC is offline
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change out your rad cap for a new one. overfill the expansion tank a bit, make sure all the air is vented out of the hoses to the cockpit.
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