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Old 07-05-2015, 05:59 PM   #1
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Alpine Coach Brakes

Driving northbound on I-35 about ten miles from the Iowa/Minnesota border, road construction had the traffic down to one lane. Things were moving along smoothly at about 60 mph though. I kept a reasonable distance between our coach and the car ahead.

Suddenly I saw brake lights as the traffic came to screeching halt ahead. I braked hard and at the same time switched the Jake brake to high. I was braking so hard the tires were beginning to squeal on threshold of lock-up.

I was amazed at the braking performance. I stopped a good 20 feet behind the car in front of me and a car behind me had to swerve onto the shoulder because we stopped so fast. I wouldn't have believed stopping our 33,000 pounds could happen that fast if I hadn't done it myself.

When we began moving again, I saw the cause of the panic braking. Someone had run their car off the road and hit a cable barrier on the right, spinning the car around. The driver appeared to okay.
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Old 07-05-2015, 06:19 PM   #2
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I am at 100,000 miles on my coach with the original brakes. I took into the shop this past week for a bleed and new pads. They said I still don't need to replace. About 65% left on the front and 45% on the rear. I told the shop they had a chance to make some money on me and he said we don't like to do work that is not needed. We are headed to Silverton next week, so they will will get a workout.
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Old 07-05-2015, 06:29 PM   #3
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I met a guy with a 2001 Alpine in Congress, AZ with 189,000 miles on his coach (he worked for a while as a motorhome group tour guide). He still had the original pads. The Jake brake saves the service brakes.
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Old 07-05-2015, 06:51 PM   #4
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Quote:
Originally Posted by Koop View Post
I met a guy with a 2001 Alpine in Congress, AZ with 189,000 miles on his coach (he worked for a while as a motorhome group tour guide). He still had the original pads. The Jake brake saves the service brakes.
We don't have Jake brakes, just Pac Brake. I leave mine on pretty much all of the time.
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Old 07-05-2015, 07:54 PM   #5
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I have a different view on the exhaust brake and service brake! Exhaust brake ok for long down hills to retard speed. Service brake is really not much unless you have huge leg to make it apply. The 1 3/4" replacement M/C is a huge step in the right direction to getting these 15 ton vehicles to stop in decent amount of time.
Anyone who does the conversion to 1 3/4" M/C. I would recommend replacing all of the rubber brake hoses with best replacement hoses available.

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Old 07-05-2015, 08:14 PM   #6
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Quote:
Originally Posted by Beagle RC Air View Post
I have a different view on the exhaust brake and service brake! Exhaust brake ok for long down hills to retard speed. Service brake is really not much unless you have huge leg to make it apply. The 1 3/4" replacement M/C is a huge step in the right direction to getting these 15 ton vehicles to stop in decent amount of time.
Anyone who does the conversion to 1 3/4" M/C. I would recommend replacing all of the rubber brake hoses with best replacement hoses available.

beagle
I'm not the original owner of this coach, so I don't know if the master cylinder was changed. All I know is that when I need stopping power today, it delivered.
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Old 07-13-2015, 08:45 PM   #7
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If you can squeal the tires, you don't need any more stopping power than that.
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Old 07-13-2015, 09:26 PM   #8
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Squealed the tires, and stopped in a straight line in time. Can't expect much more than that.
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Old 07-14-2015, 08:22 PM   #9
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Quote:
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Squealed the tires, and stopped in a straight line in time. Can't expect much more than that.
That's what I'm thinking.
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