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Frank McElroy

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Frank McElroy last won the day on August 1

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About Frank McElroy

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    Flemington, NJ

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    12 Deerpond Ct, Flemington, New Jersey, 08822
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    Monaco owner since 2007; Motorhomes since 1989; Member since January 2009
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    Monaco owner since 2007, owned motorhomes since 1989, Husband, Father, Grandfather, Retired PhD chemist - 35 yrs ExxonMobil R&D.

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  1. Well there is no simple answer. It all depends on the ECM code and for me to give you an answer, I need the code number. Some codes will stay active until you complete a successful drive cycle and then it will clear. Others will clear as soon as the component is replaced. But, if you replaced the component and you still have a stop engine red code do not drive the coach. Even if its a yellow check engine code, you need to know the code number in order to decide if it's OK to drive the coach without it derating. I wish that I could be more helpful.
  2. If you have full throttle response then drive the coach. If you don't have the software to clear the code, it should clear by driving the coach. But it may take multiple drive cycles to clear an old code. But if you still have a red stop engine light, something else is going on. What codes are being shown by the ECM?
  3. When you say you had your " 'ring and pinion' (?) freeze/lock up and when it broke loose it made an awful jerk and thump" what do you mean. Were the rear brakes rusted to the drums and they broke loose or do you mean you actually had a failed rear end or a broken u-joint? If it was the latter and the drive shaft was loose then I would first look for damaged wiring hit by the drive shaft.
  4. Go to Browse - select Downloads - select Categories - Parts List is on top. Here is a link. https://www.monacoers.org/files/category/16-parts-list/
  5. An important clue is you said that hydraulic fluid leaks out when you operate any slide out. This likely means that the hydraulic line going from the pump manifold to the rear slide synchronizing cylinder is bad. That line likely connects to the side of the manifold where it tees into a synchronization line from another slide. Whenever a slide is commanded to retract or extend, the hydraulic lines going to the other slide synchronizing cylinders would be pressurized so it makes sense that the hydraulic line going to the rear synchronization cylinder is bad. You would need find a hydraulic fitting cap with the proper threads to cap off the end of the tee. http://www.hwhcorp.com/mr701010.html
  6. For each slide there is an extend and return line. They can be capped at the manifold pump. If you release the retract solenoid for the front slide, a few strong bodies should be needed to push in this slide. Don't push on the slide flange Once the slide is in be sure to close the release solenoid valve.
  7. Tom - Have you looked at the fresh air intake door flap on the exterior side of your dash HVAC box. It would be interesting to find out if you see any of those black flakes being sucked into the system. Yes, when we were using our coach in freezing temperatures, it was really easy to find all the air leaks from under the dash and the control panel under the drivers side window where wiring enters through the floor. When its freezing outside and your coach is heated, just turn on the vent fans. It's really easy to find air leaks that way and boy did I have air leaks! If I recall correctly, it took a couple of cans of black spray foam to seal the air leaks. Largest leak was the dash plywood up near the front cap. This was an easy fix with the generator door open and through the side access panel below the drivers side window. Sealing these air leaks made a huge difference when traveling in very hot or very cold weather.
  8. Tag axle coaches can be safely towed. However on tag axle coaches and coaches with air leveling systems it's critical that the leveling system be turned on and set to travel mode while being towed. If the system is turned off (or your battery goes dead), the air suspension will default to level mode and you run the risk of twisting the chassis and cracking the windshield. The air supplied from the wrecker to release the parking brakes will also supply air for the suspension. It would be good to review the towing procedure options in your coach owners manual.
  9. Steve - When looking up Cummins fault codes you need to use the Cummins fault code number. 223 is not a Cummins Number - it is a PID/SID number. A 223-3 code maps over to either Cummins number 293 or 297. So, using the other file for troubleshooting cummins fault codes, 297 pops up on page 65. It is for the OEM Pressure Sensor Circuit. But I would first use the Cummins Insite software to determine the exact Cummins fault code directly and then if you verified its actually fault code 297, follow the Cummins Troubleshooting procedure page 265 to resolve the issue.
  10. For future reference, I posts one of the better list of PID/SID FMI fault codes and how they map over to OEM fault codes. Covers, Cat, Cummins, DD and our ABS systems.
  11. You may not have the correct valve extend solenoid or you did not turn it far enough to pull the pintle off the seat to allow hydraulic fluid to flow. You can turn the pressure release nut up to 4 1/2 revolutions but no more or you could damage the solenoid.
  12. Code 223-3 translates to either Cummins code 293 or 297. You would need Cummins Insite software to know which one. Code 293 is fault for aux temperature sensor input #1. Code 297 is fault for aux pressure sensor input #2. Both of those Cummins codes will display 223-3.
  13. On mine, you remove the small bin under the entry step. The last step is hinged and the bin is below the step. Hydraulic system is under that small bin. Actually I just leave out the plastic bin holding screws to make it easier to gain access to the hydraulic pump and valves.
  14. If the hydraulic pump is running and the led light next to the fuse labelled rear P/S out on the multiplex module comes on when you press the out button on the multiplex keypad, then you likely have a sticking valve on the hydraulic pump manifold. These valves are easily accessible by removing the step well storage bin. Just loosen the pressure release screw and the slide will likely move out a few inches then retighten. The slide will likely move out like normal. Valve 2E is the slide release valve for my coach.
  15. Excellent information. Thanks for sharing.
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