I have a couple of questions. (1) I took my 2002 Endeavor 330 ISC to a RV service to get my front wheel bearing packed, My SpeedO was OK before hand, could they in someway when they jacked the front end up damaged something, when we took it for a test drive is when the SpeedO when hay wire and just went to O, I am not looking to blame but just want someplace to start to find the problem. (2) I will be leaving for NC in a couple of days, can any one tell me about what RPM I will be turning at 55 mph and 65 mph on level ground, I just purchased this MH in Dec. and haven't driven it enough to observe the RPM, of course I could just go with the flow, but would like some kind of idea. It is getting that time of year safe travels to all. Thanks for all info. Roy
There are 3 ways speed-o's work One is next to unheard of today and I'd be very surprised if this was your case, but alas, I have read some very old manuals.
Some cars, at one time, drove the Speedometer off, IIRC, the left front tire, and in the case of these cars, yes, re-packing the wheel bearings could mess it up since you had to remove and replace the wheel (hub and all) in the process. As I said, I'd be very, very surprised if this was your case.
Most cars, even then, drove the speed-o off a gear on the transmission output shaft. This is common on cars with MECHANICAL odometers today (NOTE the change in the meter) such as my 1992 Lumina APV towed.
The newest method is to put a "Speed sensor" is a device, that replaces the speed-o gear on the transmission, it sends an electrical signal to the computer which then powers the speed-o display. This will be either an optical device or a hall effect. Reliablity factor is very high and mean time between failure (MTBF) is... Well, let's say I would love to outlive the average Hall effect sensor.
However MBTF means the mean.. so if one sensor lasts 200 years... Another might last 200 hours.
Oh, did not think of this till just now: Many cars (Including my 1992 Lumina APV) and many motor homes (Including my 2005 Workhorse chassis based Intruder) Now come with anti-lock brakes.. This means that there is a hall effect sensor (No optical devices, always hall effect) on the wheel, and this sensor could indeed be messed up during a bearing re-pack.
And there is no reason not to pull the speed off this sensor instead of the drive shaft.
So, the bottom line is: Yes, it is possible
(Just for the heck of it: I got extra credit for demonstrating the Hall Effect in Physics class when I was in college, Which is why I know so much about ABS, causes it uses a sensor I studied when in college. I like learning stuff)
Questions:
1: Do you have ABS
2: Is it working (Is the trouble light on for 20 seconds when you start then it goes off and stays off)
If the answers are YES and NO (or even if they are not) take a look at the back side of the wheel and see if there is a wire dangling anywhere.
Darling Daughter had an ABS problem with her car, I asked the local Pontiac dealer to "Take a look at it" they refused, and gave me some lame excuse about "It could be the computer and that is more than the car is worth and since we are not your regular service center..."
The wires were pulled off the wheel sensor
I ask them to LOOK, not spend hours diagnosing but while you have it up on the hoist changing oil LOOK.. The local chevy dealer (Where I take my Lumina) spent all of 30 seconds finding the problem once they hoisted the car.
Nothin adds excitment like something that is none of your business John is Near Kenwood TS-2000 housed in a 2005 Damon Intruder 377
Most all speed sensors work of the transmission ,especially on Electronic diesel engines. It could be a fuse or wire .See if you get any codes on the touchpad i assume you have a Allison world trans model 3060 6 speed. that would be the common set up on the ISC engine.
Thanks Ames, I called Holiday Rambler, Tech support the tech said it was probably in the ECM he said the modular was on the side of the engine, needed to take to Cummins.
Jaseds: How do I check the codes on the touch pad, is this info. in the manual. Thanks to all Roy
Offline
Have A Nice Day
