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91
Technical Support / Re: 2000 Marquis left front airbags
« Last post by David T. Richelderfer on November 01, 2024, 12:55:03 AM »
https://beaveramb.org/forum/index.php/topic,8304.msg57237.html#msg57237
92
Technical Support / Re: RPM gauge
« Last post by Carl Boger on November 01, 2024, 12:10:58 AM »
Scott,

I would check the voltage out put from the alternator as it will be the most accurate.  I know on my coach my alternator went out and it was still reading 14 volts on the gauge and the display, but only putting out about 12.2 at the alternator.  Now the alternator puts out 14.6 or so and the gauge shows about 16.   
93
Technical Support / Re: 2000 Marquis left front airbags
« Last post by Duane Kunze on October 31, 2024, 11:59:13 PM »
Hi Eric, sorry for the late reply, I have been trying to adjust this ride height all day. I adjusted both rear height valve linkage. I have not adjusted the front middle valve linkage. These are the bag measurements I ended up with.Driver front = 8.5
Driver rear 9.75. Passenger front 9.0, passenger rear 9.5.
Couple questions, are you saying I should adjust both rear linkage so the rear bags measure 10”?
Second question, what happens when I adjust the linkage in the front?
Thanks for your help, it is sincerely appreciated
94
Technical Support / Re: RPM gauge
« Last post by Scott Hinote on October 31, 2024, 09:09:21 PM »
Thanks Eric for replying, I don’t know why the Moblie Fleet service company that helped me with my ECM . Why they are telling me it gets the signal from the ECM . Everything I’ve been able to find out is it’s coming off the alternator . They were at my house for 9 hours and that’s what they came up with . I’m not going to jump and go buy a new gauge, if they did something to my alternator during the changing of the ECM . Sorry to bother you but I have a friend that’s in California, that I met in the Beaver forum in Facebook . I don’t know why but he had his alternator rebuilt . I’m just wondering if maybe I’m having a problem with that . I haven’t noticed anything, but I’m usually connected to shore power and my batteries are kept charged through the Inverter and the Echo charger . It’s going to be a pia but maybe I need to put my eyes on my alternator and take some voltage readings . Or I could just start the engine and see what my gauge is reading, there’s got to be a gauge that reads alternator output . Again thank you
95
Technical Support / Re: RPM gauge
« Last post by Eric Maclean on October 31, 2024, 06:55:37 PM »
Scott
These coaches could be set up with either an alternator drive or ECM signal drive .
But on page 26 of the 1996 patriot wiring diagrams it clearly shows the wiring path from alternator to tachometer.
( 1996 is as close as we have for wiring diagrams and is pretty relevant all the way to 2002.

Hope this helps
Eric
96
Technical Support / RPM gauge
« Last post by Scott Hinote on October 31, 2024, 05:22:14 PM »
We have a 2000 Beaver Patriot Ticonderoga with the 3126b 330 Caterpillar . Our ECM died and we had it replaced . But after getting it home I noticed that the RPM gauge wasn’t working . The company that did the replacement came back out to me and did more troubleshooting, they are saying that the gauge is bad . They also said when they were connected to the ECM with their laptop using Caterpillars software, that the gauge was getting the needed signal from the new ECM . Here’s my question if anyone might know, does the gauge operate off the ECM , or the alternator or the transmission ? I need to know because I’ve been told 3 different things, and before I move forward with buying a new gauge or just have the company that replaced my ECM , re calibrate the gauge so it operates correctly on the upper end higher rpm’s ? They have told me they can do that . Thanks everyone for helping out .
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Technical Support / Re: 2000 Marquis left front airbags
« Last post by Eric Maclean on October 31, 2024, 01:28:11 PM »
Duane
Have you checked the ride height on the rear
The system only uses a single ride height valve for the front axle which means that all the front air bags are tied together and the coach can lean to one side of the other this avoids twisting the frame .
If the driver's side front is low 8.5" apposed to 10" where it should be then one of three things is wrong .
1) the coach is not on level ground
2) the driver's side rear ride height is low ( should be 10" )
3) the passenger side rear ride height is set too high (should be 10" )
Remember this system is essentially a three point leveling system as the front of the coach can pivot or tilt of the center line moving air from one side air bags to the other if the rear ride height is not set at the same height the fronts will not be right either.

There is a fourth possibility
It is possible you have one or more front torque rods seized not allowing the suspension to come up to ride height , these torque rods have a spherical ball end on each end and with age the rubber seals deteriorate and allow dirt and water into the joint causing them to rust and seize.
One of the symptoms of sized torque rods is a squeak or grown when dumping the air bags.

Maybe dumping the suspension air and letting it come back up to ride height several times might free a tight torque rod ( or not)

There is a section in coach assist on servicing the torque rods if your interested.

Hope this helps
Eric
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Technical Support / Re: 2000 Marquis left front airbags
« Last post by Steve Huber Co-Admin on October 31, 2024, 03:42:14 AM »
Duane,
The solenoids have no effect on the air leveling or ride height of your coach. It is completely controlled by the air bags.
Steve
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Technical Support / Re: 2000 Marquis left front airbags
« Last post by Duane Kunze on October 31, 2024, 03:14:29 AM »
Hi Steve, yes , I have checked the measurement of the bags. The passenger front is about 10”, drivers front is about 8.5 “ I can definitely see a difference in how the bags are inflated. I have misunderstood how to manually operate the valve. I didn’t realize I needed to loosen and move the rod, I thought I could just turn the round portion of the valve where the rods connect. Now I think I understand. I want to check operation of valve to make sure it is working. Or maybe one of the 6 pack solenoids is bad? Thanks for your input. I appreciate it. If you have any other suggestions, I am wide open.
100
Technical Support / Re: 2000 Marquis left front airbags
« Last post by Steve Huber Co-Admin on October 31, 2024, 12:51:46 AM »
Duane,
Have you checked the height of the air bags on the left front as Carl suggested? They should be ~ 10" from the top of the bottom plate to bottom of the top plate. If it is lower than that adjust the left rear ride height valve as Eric suggested before you start chasing any other solutions. I'd check the right side bag measurements before adjusting and start by setting the left bags equal to the right side bags. You can then make any needed adjustments to finish leveling the front.
Why are you trying to move the valve? The adjustment is done by moving the rubber linkage (shown circled on Joel's photo. The air tanks need to be full but the engine does not need to be running. To make an adjustment simply loosen the screw in the band around the rubber linkage and move it slightly. IMPORTANT: be sure to hold the linkage in place while loosening the band. If the linkage slips it can cause the bags to deflate, resulting in the coach dropping quickly and crushing anything in its path.
Steve
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