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Search: Posts Made By: KenSherwin
Forum: Newmar Owner's Forum 11-16-2020, 07:30 AM
Replies: 48
Views: 87,640
Posted By KenSherwin
I do not have any information about the newer...

I do not have any information about the newer generation system. I have now been away from it for 4 years.
Forum: Newmar Owner's Forum 11-11-2020, 05:10 PM
Replies: 8
Views: 366
Posted By KenSherwin
I think you have an internal leak in one...

I think you have an internal leak in one direction in your steering gear due to contamination from the failed pump. If the CD is alive, it will work in either direction and if it's dead, it won't...
Forum: Newmar Owner's Forum 11-10-2020, 06:25 AM
Replies: 11
Views: 364
Posted By KenSherwin
The efforts control, all associated wiring, the...

The efforts control, all associated wiring, the controller (both hardware and software) that turns the control setting into a data message, and the data bus itself are NOT provided by TRW / ZF. These...
Forum: Newmar Owner's Forum 11-09-2020, 03:16 PM
Replies: 8
Views: 493
Posted By KenSherwin
Try calling the ZF/TRW heavy truck help line at...

Try calling the ZF/TRW heavy truck help line at 800 879 0899.
Forum: Newmar Owner's Forum 11-09-2020, 03:07 PM
Replies: 11
Views: 364
Posted By KenSherwin
Do you have a knob to control efforts or do you...

Do you have a knob to control efforts or do you have an up/down button someplace?

If you have the knob, the diagnostic program will read the CD message and tell if it is sending correctly.

Do...
Forum: Newmar Owner's Forum 10-21-2020, 06:18 PM
Replies: 12
Views: 944
Posted By KenSherwin
Resetting the shutdown fault requires the...

Resetting the shutdown fault requires the diagnostic software.
Forum: Newmar Owner's Forum 10-20-2020, 11:43 AM
Replies: 48
Views: 87,640
Posted By KenSherwin
Look at question 18 and its response in the tour.

Look at question 18 and its response in the tour.
Forum: Newmar Owner's Forum 10-20-2020, 11:42 AM
Replies: 12
Views: 944
Posted By KenSherwin
Look at question 18 and its answer in the tour.

Look at question 18 and its answer in the tour.
Forum: Newmar Owner's Forum 10-20-2020, 11:07 AM
Replies: 48
Views: 87,640
Posted By KenSherwin
Just so you all know, this picture is the new...

Just so you all know, this picture is the new second generation system that was being finished when I retired in 2016.
Forum: Newmar Owner's Forum 05-24-2020, 01:45 PM
Replies: 4
Views: 374
Posted By KenSherwin
According to the CD Tour document, any shop that...

According to the CD Tour document, any shop that can read Cummins Engines or Allison Transmissions can read the CD trouble codes. They just need the free program.

Note: this is no longer...
Forum: Newmar Owner's Forum 02-25-2020, 10:30 PM
Replies: 12
Views: 1,416
Posted By KenSherwin
You must pay attention to people who don't like...

You must pay attention to people who don't like your modifications to the grill (or any other part of YOUR coach) in the exact percentage that they make your mortgage payment. If they don't pay...
Forum: Newmar Owner's Forum 01-23-2020, 05:32 PM
Replies: 5
Views: 366
Posted By KenSherwin
One slight correction here. It is the control...

One slight correction here. It is the control valve directing oil to the correct place as it is designed to do. The relief valve should not activate until the very end of travel and sometimes not...
Forum: Newmar Owner's Forum 01-21-2020, 07:45 AM
Replies: 8
Views: 863
Posted By KenSherwin
This dealer is wrong. The steering gear has a...

This dealer is wrong. The steering gear has a preload adjustment exactly like the one in a Jeep and it's there for exactly the same reason. By the same token, there is no adjustment in any of the...
Forum: Newmar Owner's Forum 01-09-2020, 12:06 PM
Replies: 15
Views: 1,888
Posted By KenSherwin
Then a technician will have to use the diagnostic...

Then a technician will have to use the diagnostic program to find the problem.
Forum: Newmar Owner's Forum 01-08-2020, 04:17 PM
Replies: 15
Views: 1,888
Posted By KenSherwin
That is not enough information to tell anything. ...

That is not enough information to tell anything. Were there any diagnostic code numbers?
Forum: Newmar Owner's Forum 01-03-2020, 11:11 AM
Replies: 3
Views: 766
Posted By KenSherwin
The FMI 12 is not part of the message from the...

The FMI 12 is not part of the message from the CD. Whatever read and displayed the message made that part up on its own.


That error happens when the processor generating the speed message...
Forum: Newmar Owner's Forum 01-02-2020, 10:20 PM
Replies: 3
Views: 766
Posted By KenSherwin
Did you read that thread that you referenced? ...

Did you read that thread that you referenced? Your answer was there.
Forum: Newmar Owner's Forum 11-30-2019, 03:57 PM
Replies: 91
Views: 9,256
Posted By KenSherwin
I think there is widespread disagreement on the...

I think there is widespread disagreement on the meaning of the word "boost" when discussing a CD because the term comes from the conventional power steering world. Boost was a function of how much...
Forum: Newmar Owner's Forum 11-03-2019, 07:52 PM
Replies: 76
Views: 10,175
Posted By KenSherwin
The CD is supposed to get a J1939 message telling...

The CD is supposed to get a J1939 message telling it what the efforts level is supposed to be at that moment. The creation and transmission of that message are completely under the control of the...
Forum: Newmar Owner's Forum 11-02-2019, 10:29 AM
Replies: 76
Views: 10,175
Posted By KenSherwin
The diagnostic program will most likely show that...

The diagnostic program will most likely show that the efforts control message is not correct and the cause will be found to be that it's not plugged in.
Forum: Newmar Owner's Forum 10-31-2019, 03:11 PM
Replies: 76
Views: 10,175
Posted By KenSherwin
If the wheel is off-center when driving straight...

If the wheel is off-center when driving straight down the road, it IS NOT a software issue. The CD cannot affect the position of the steering wheel relative to the roadwheels. As has been said many...
Forum: Newmar Owner's Forum 10-29-2019, 07:09 AM
Replies: 48
Views: 87,640
Posted By KenSherwin
Because it shut off while driving and would not...

Because it shut off while driving and would not restart until you checked the fuses, I would say the problem was a poor connection at one of the fuses. The next time you happen do be in for service,...
Forum: Newmar Owner's Forum 10-15-2019, 04:38 PM
Replies: 28
Views: 1,833
Posted By KenSherwin
You might also turn the Comfort Drive a point or...

You might also turn the Comfort Drive a point or two heavier in the rain. You are busy with traffic, road conditions, visibility, and just plain increased concentration so it might take a bit more...
Forum: Newmar Owner's Forum 10-12-2019, 08:33 AM
Replies: 26
Views: 1,589
Posted By KenSherwin
While we're talking about preferences, I set it...

While we're talking about preferences, I set it about 2.5 in the morning and turn it down as the day progresses. By afternoon coffee time, I'm down to 1 or 1.2. As I drive it, I can still feel the...
Forum: Newmar Owner's Forum 10-11-2019, 08:21 AM
Replies: 26
Views: 1,589
Posted By KenSherwin
My guess is that they did not plug in the control...

My guess is that they did not plug in the control knob. A quick look with the diagnostic program will find out.
Forum: Newmar Owner's Forum 10-09-2019, 10:25 AM
Replies: 26
Views: 1,589
Posted By KenSherwin
Its in the same housing as the motor fan...

Its in the same housing as the motor fan gearbox. Its all one piece.
Forum: Newmar Owner's Forum 10-08-2019, 12:53 PM
Replies: 13
Views: 892
Posted By KenSherwin
Most redundant upgrade?

The automatic transmission. [emoji1][emoji1][emoji1]
Forum: Newmar Owner's Forum 10-07-2019, 11:39 AM
Replies: 16
Views: 1,879
Posted By KenSherwin
That pedal should be a service part from Newmar.

That pedal should be a service part from Newmar.
Forum: Newmar Owner's Forum 10-05-2019, 07:26 PM
Replies: 34
Views: 2,326
Posted By KenSherwin
If you have a Comfort Drive, it might help to...

If you have a Comfort Drive, it might help to pull the fuse for it to help figure things out.

I think some 07s had CD but not many.
Forum: Newmar Owner's Forum 08-31-2019, 07:19 AM
Replies: 16
Views: 1,879
Posted By KenSherwin
The fact that you could move it tells me the...

The fact that you could move it tells me the controls are the problem and not the motor.


If you want to bypass all the existing controls, three-position, spring-centered, double-pole,...
Forum: Newmar Owner's Forum 08-29-2019, 07:54 PM
Replies: 16
Views: 1,879
Posted By KenSherwin
I'm confused. If you have an electric tilt /...

I'm confused. If you have an electric tilt / tele, there is no foot pedal adjuster.

To troubleshoot your problem, check the voltages on the tilt motor and on the tele motor. I would be very...
Forum: Newmar Owner's Forum 08-06-2019, 06:47 AM
Replies: 6
Views: 777
Posted By KenSherwin
This is correct. As a matter of interest,...

This is correct.

As a matter of interest, ZF was the big competitor to TRW (especially in steering gears) for many decades so we did not think kindly about them. A few years ago, ZF bought TRW so...
Forum: Newmar Owner's Forum 08-04-2019, 09:23 AM
Replies: 10
Views: 696
Posted By KenSherwin
If it's at the front of the coach with a shaft...

If it's at the front of the coach with a shaft connected to the axle and another one connected to the steering wheel, it's the steering gear and should not me leaking. It needs resealed or replaced....
Forum: Newmar Owner's Forum 08-03-2019, 08:59 PM
Replies: 10
Views: 696
Posted By KenSherwin
I don't think TRW makes power steering pumps. Are...

I don't think TRW makes power steering pumps. Are you sure about that?
Forum: Newmar Owner's Forum 07-27-2019, 07:26 AM
Replies: 9
Views: 901
Posted By KenSherwin
Absolutely DO NOT put both systems on the same...

Absolutely DO NOT put both systems on the same coach! I guarantee they will fight each other resulting in poor control and more importantly will heat up the hydraulic system, possibly to the point...
Forum: RV'ing Humor & Crazy but True Stories 07-22-2019, 08:30 AM
Replies: 18
Views: 1,913
Posted By KenSherwin
Sometimes, people can't even agree on the meaning...

Sometimes, people can't even agree on the meaning of the word "is".
Forum: Newmar Owner's Forum 07-11-2019, 06:07 PM
Replies: 28
Views: 1,816
Posted By KenSherwin
Several years ago, I was a passenger in the wreck...

Several years ago, I was a passenger in the wreck of a motor home that was being used as an engineering test vehicle. The wreck was not caused by any production-related equipment.


From the time...
Forum: Newmar Owner's Forum 05-16-2019, 07:42 AM
Replies: 4
Views: 395
Posted By KenSherwin
They have had scanners randomly turn the CD off...

They have had scanners randomly turn the CD off but nobody can reproduce it. If that was the problem, it is an easy fix. The place to start is the diagnostic program. A description is available for...
Forum: Newmar Owner's Forum 04-24-2019, 02:39 PM
Replies: 48
Views: 87,640
Posted By KenSherwin
I just heard back from Entegra. They are using...

I just heard back from Entegra. They are using the same TRW system.
Forum: Newmar Owner's Forum 04-22-2019, 05:29 PM
Replies: 48
Views: 87,640
Posted By KenSherwin
I'm not familiar with the term E-Z drive. Who is...

I'm not familiar with the term E-Z drive. Who is using it?
Forum: Newmar Owner's Forum 04-12-2019, 01:28 PM
Replies: 48
Views: 87,640
Posted By KenSherwin
It has the 1st generation system. The new one is...

It has the 1st generation system. The new one is not in serial production quite yet.
Forum: Newmar Owner's Forum 04-12-2019, 01:16 PM
Replies: 48
Views: 87,640
Posted By KenSherwin
This is the next-generation system that is just...

This is the next-generation system that is just now being released.

The 1st-generation system, still currently in production, can be seen at

iRV2 Forums - Files - TRW ColumnDrive Diagnostics...
Forum: Newmar Owner's Forum 04-11-2019, 08:53 AM
Replies: 15
Views: 1,827
Posted By KenSherwin
Do you mean that the steering wheel would not...

Do you mean that the steering wheel would not turn at all until you moved the coach or that the steering wheel moved harder than normal for just a moment when you tried to steer?
Forum: Newmar Owner's Forum 04-09-2019, 08:43 AM
Replies: 11
Views: 671
Posted By KenSherwin
Thank you all for actually using the information...

Thank you all for actually using the information that's already been provided. Something to think about is that when the CD is off, the coach drives just like all the coaches without CD drive all...
Forum: Newmar Owner's Forum 03-29-2019, 01:40 PM
Replies: 19
Views: 1,049
Posted By KenSherwin
It looks like we're all singing the same words to...

It looks like we're all singing the same words to the same song. I suspect the real reason to stomp the gas is to give that foot something immediate to stomp, keeping it off the brakes. This allows...
Forum: Newmar Owner's Forum 03-14-2019, 07:24 PM
Replies: 16
Views: 1,879
Posted By KenSherwin
If you only push down or pull up with one hand,...

If you only push down or pull up with one hand, the sliding mechanism can stick so push or pull with both hands evenly for best results.
Forum: Newmar Owner's Forum 03-14-2019, 04:19 PM
Replies: 16
Views: 1,879
Posted By KenSherwin
I was wrong in my post above. I was thinking...

I was wrong in my post above. I was thinking that 2007 was pre-Comfort Drive. The pics above show a 2007 with the original Comfort Drive. The foot pedal releases both the tilt lock and the...
Forum: Newmar Owner's Forum 03-13-2019, 08:12 PM
Replies: 16
Views: 1,879
Posted By KenSherwin
There should be two handles on the left side of...

There should be two handles on the left side of the column. One is the turn signal, of course, but we are interested in the other one. Pulling the lever up toward the steering wheel should release...
Forum: Forum 101 | Announcements | Member Forum Concerns 02-28-2019, 06:35 AM
Replies: 109
Views: 18,687
Posted By KenSherwin
Keep in mind they already have it or you couldn't...

Keep in mind they already have it or you couldn't get email updates.
Forum: Newmar Owner's Forum 02-15-2019, 01:30 PM
Replies: 15
Views: 1,222
Posted By KenSherwin
If the CD is not functional, the coach will steer...

If the CD is not functional, the coach will steer just like a coach without CD. You can steer it standing still with one hand if you are firm with it and steering with 2 hands is reasonably easy. It...
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