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Old 06-29-2020, 09:27 PM   #1
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ABS Light going on and off

Hi Folks,

I am looking at a 2000 Triple E Commander to purchase. The ABS light is going on and off intermittently.

The brakes seem to work fine (not tested ABS).

1) Any idea what might be wrong.
2) Any idea what the cost may be to fix?
3) Is it safe to drive in NON snowy or wet conditions if the brakes seem to work well otherwise?

Thanks
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Old 06-29-2020, 09:56 PM   #2
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When the ABS module is not functioning, the brakes work normally, only the anti-lock feature is not working.
A no-cost possible remedy is to use a pressure washer from the opposite side and thoroughly clean the backside of the wheels. Road dirt, grime and grease can get in the tone ring slots and send false signals to the ABS module. If this doesn't work you only lost some time and water. Then you may begin spending money, IF you want the ABS system working; some just put black tape over the ABS light and go on with life as it was before anti-lock brakes were invented.
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Old 06-29-2020, 10:04 PM   #3
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Quote:
Originally Posted by Ray,IN View Post
When the ABS module is not functioning, the brakes work normally, only the anti-lock feature is not working.
A no-cost possible remedy is to use a pressure washer from the opposite side and thoroughly clean the backside of the wheels. Road dirt, grime and grease can get in the tone ring slots and send false signals to the ABS module. If this doesn't work you only lost some time and water. Then you may begin spending money, IF you want the ABS system working; some just put black tape over the ABS light and go on with life as it was before anti-lock brakes were invented.
Thank you so much for this information Ray! You have really been helpful.
It makes me feel better. Maybe I can get the seller to reduce the price somewhat for this and the Heater Core that seems to be leaking.

Do you have any idea how much it would be to replace the heater core. As far as I understand it, the heater core is just to heat the air and water for the cab, but totally separate from the propane heating system. As far as I understand it, the heater core could be bypassed totally. Is this correct in your understanding?
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Old 06-29-2020, 10:26 PM   #4
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The heater core provides heat to your coach BUT even more importantly it assists in cooling down engine coolant. You can bypass it but you would be better off, IMHO, to replace it.

Since you state it is leaking, it may not be the heater core but rather the tubing. You won't know till you get in there.

Best wishes - Richard
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Old 06-29-2020, 10:33 PM   #5
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The heater core provides heat to your coach BUT even more importantly it assists in cooling down engine coolant. You can bypass it but you would be better off, IMHO, to replace it.

Since you state it is leaking, it may not be the heater core but rather the tubing. You won't know till you get in there.

Best wishes - Richard
Thanks Richard for your reply. Any idea how much someone may charge to repair this? As I have not paid fully for the motorhome,(paid deposit), I don't want problems.
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Old 06-30-2020, 12:05 PM   #6
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On my 1999 F53 Ford chassis, I'd get an occasional ABS light.

When I re-packed the front bearings, I used a wire brush to clean the ABS sensors and the encoder wheels. (they had a lot of dust and grime on them)


F53 – Brake pads and wheel bearings – 1999 Southwind 35S


As a preventative measure, I also replaced the speed sensor that's located on top of the differential.

On this years trip out west, I don't recall seeing the ABS light ever come on.
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Old 06-30-2020, 05:08 PM   #7
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Originally Posted by Waiter21 View Post
On my 1999 F53 Ford chassis, I'd get an occasional ABS light.

When I re-packed the front bearings, I used a wire brush to clean the ABS sensors and the encoder wheels. (they had a lot of dust and grime on them)


F53 Brake pads and wheel bearings 1999 Southwind 35S


As a preventative measure, I also replaced the speed sensor that's located on top of the differential.

On this years trip out west, I don't recall seeing the ABS light ever come on.
Thanks so much Waiter21!
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Old 06-30-2020, 10:23 PM   #8
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Quote:
Originally Posted by Waiter21 View Post
On my 1999 F53 Ford chassis, I'd get an occasional ABS light.

When I re-packed the front bearings, I used a wire brush to clean the ABS sensors and the encoder wheels. (they had a lot of dust and grime on them)


F53 Brake pads and wheel bearings 1999 Southwind 35S


As a preventative measure, I also replaced the speed sensor that's located on top of the differential.

On this years trip out west, I don't recall seeing the ABS light ever come on.
The ABS and all other dash lights should come on when you turn in the ignition key while the system runs a self-test, then go off.
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Old 06-30-2020, 10:47 PM   #9
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My SMC Magnum C chassis "eats" ABS sensors. Anytime a brake caliper overheats the sensor melts. After spending lots of money replacing sensors I decided that I can drive quite safely with the ABS not functioning. Seems to me I drove cars for many years without ABS. Some people may not agree with this, but we never drive in snow and rarely even in rain. We've driven >30,000 miles without ABS.
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Old 07-01-2020, 09:08 PM   #10
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Quote:
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My SMC Magnum C chassis "eats" ABS sensors. Anytime a brake caliper overheats the sensor melts. After spending lots of money replacing sensors I decided that I can drive quite safely with the ABS not functioning. Seems to me I drove cars for many years without ABS. Some people may not agree with this, but we never drive in snow and rarely even in rain. We've driven >30,000 miles without ABS.
Some years ago auto makers petitioned the governing agency to allow them to eliminate ABS systems, saying there was no evidence they contributed to saving lives, and were rejected.
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Old 07-03-2020, 12:39 PM   #11
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simplervlife; The ABS module is expensive, around $600(ballpark figure) not including labor. Wheel sensors would cost the same as most any HDT. If the heater core must be replaced in a MH, I would expect parts N labor to run near $1,000(again ballpark guessestimate)
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Old 07-03-2020, 01:36 PM   #12
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So, the ABS system in the coach is most likely made by Meritor Wabco. Go to their website and you can get the troubleshooting guide for your particular set up. From that point you can trigger the dash board to give you the blink code. This will tell you which sensor is acting up. The sensors cost about $75 each for the OEM. Aftermarket is about $25. If you are having issues with the guide the tech support will walk you through troubleshooting. Because this is intermittent it sounds like one of the sensors may be to far away from the wheel, or a loose connection at the sensor cable. The modules are very reliable and seldom fail.
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