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06-14-2011, 10:27 AM
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#1
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Senior Member
Alpine Owners Club
Join Date: Jun 2004
Posts: 2,554
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Brakes
Here it comes again, but I don't have access to a computer and the search won't let me narrow down to the Alpine forum.
So here goes.
Took the coach out for a drive and both front calipers were dragging. We have never had the recall done on our coach that I am aware of. Dave F tried to talk me through moving the caliper so I could grease the pins, but I cannot get the clearance to pull the pins out....try as I might.
I am going to take it in for repair and spend ABSWOM. Should I take it to a Cummins or a Freightliner dealer?
If I need to replace the calipers, what is the proper way to go?
Of course we have the Bendix brakes.
Thanks
__________________
Tom, Patty, Hannah "The Big Dog" and Abby Kat, Indianapolis, Indiana 2000 Alpine 36' FDS 72232, 2005 Blue Bird M450 LXI Our Photos
"We live out in our old van. Travel all across this land. Drive until the city lights dissolve into a country sky, just me and you - hand in hand." Zac Brown Band
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06-14-2011, 05:32 PM
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#2
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Senior Member
Join Date: Nov 2007
Location: Charleston, WV
Posts: 3,469
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I believe you have the ZOPS calipers which are similar to the ones on the Freightliner recall but not the same. I replaced the calipers myself but if you don't have the necessary tools I would take it to any good truck shop that will work on motorhomes. My Cummins shop will not touch anything other than engine work and the Freightliner shop will not work on a non Freightliner chassis so I have few choices, maybe you are in a better location.
__________________
John and Mary Knight
2015 Newmar Ventana 4311 - wheelchair accessible
2015 Cadillac SRX Luxury AWD
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06-19-2011, 04:55 PM
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#3
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Senior Member
Join Date: May 2004
Location: Auburn, CA, Havasu, AZ & Mulege, BCS
Posts: 5,385
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I'd hunt around for an independent place that does truck brakes. You'll know you have the right joint when you walk in & they have pallets filled w/brake shoes for trucks. Most large towns have such a shop, and they work on all brands. Gotta be a few around Indianapolis.
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Baja-tested '08 2-slide 36'
Alpine: The Ultimate DIY'er Project
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06-27-2011, 05:25 PM
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#4
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Senior Member
Alpine Owners Club
Join Date: Jun 2004
Posts: 2,554
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Are the calipers Bosch or Bendix? Freightliner found a Bendix number. NAPA found a Bosch number, says it is a 73 mm piston
__________________
Tom, Patty, Hannah "The Big Dog" and Abby Kat, Indianapolis, Indiana 2000 Alpine 36' FDS 72232, 2005 Blue Bird M450 LXI Our Photos
"We live out in our old van. Travel all across this land. Drive until the city lights dissolve into a country sky, just me and you - hand in hand." Zac Brown Band
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06-27-2011, 05:28 PM
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#5
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Senior Member
Alpine Owners Club
Join Date: Jun 2004
Posts: 2,554
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Here is a pic of the caliper.
Thx
__________________
Tom, Patty, Hannah "The Big Dog" and Abby Kat, Indianapolis, Indiana 2000 Alpine 36' FDS 72232, 2005 Blue Bird M450 LXI Our Photos
"We live out in our old van. Travel all across this land. Drive until the city lights dissolve into a country sky, just me and you - hand in hand." Zac Brown Band
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06-27-2011, 06:07 PM
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#6
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Senior Member
Join Date: Nov 2007
Location: Charleston, WV
Posts: 3,469
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The number you see is the casting number, 4153222. A simple search will show that this is the Bosch 55850 caliper. It is the 73mm ZOPS.
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John and Mary Knight
2015 Newmar Ventana 4311 - wheelchair accessible
2015 Cadillac SRX Luxury AWD
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06-27-2011, 06:21 PM
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#7
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Senior Member
Alpine Owners Club
Join Date: Jun 2004
Posts: 2,554
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John and Mary,
Thanks you are the best!
__________________
Tom, Patty, Hannah "The Big Dog" and Abby Kat, Indianapolis, Indiana 2000 Alpine 36' FDS 72232, 2005 Blue Bird M450 LXI Our Photos
"We live out in our old van. Travel all across this land. Drive until the city lights dissolve into a country sky, just me and you - hand in hand." Zac Brown Band
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06-30-2011, 08:38 PM
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#8
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Senior Member
Alpine Owners Club
Join Date: Jun 2004
Posts: 2,554
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Spending a BSWOM as E M would say. Had a rear axle seal leaking, plus replacing the seals up front (since we are there)for good measure. New calipers and brake hardware. Pads looked almost new so they didn't recommend new pads. Rotors look great too.
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Tom, Patty, Hannah "The Big Dog" and Abby Kat, Indianapolis, Indiana 2000 Alpine 36' FDS 72232, 2005 Blue Bird M450 LXI Our Photos
"We live out in our old van. Travel all across this land. Drive until the city lights dissolve into a country sky, just me and you - hand in hand." Zac Brown Band
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07-26-2011, 03:26 PM
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#9
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Member
Alpine Owners Club
Join Date: Dec 2008
Posts: 65
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Were you able to get the new calipers made by Bosch that are being installed on the Workhorse chassis, if not then what you do have will likely fail again as mine did.
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Greg Michel
2001 Alpine 36MDS
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07-26-2011, 05:58 PM
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#10
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Senior Member
Alpine Owners Club
Join Date: Jun 2004
Posts: 2,554
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We matched numbers on the calipers. They could possibly be the same type, but keeping the brake fluid clean should keep us from having problems. I'm not entirely sure we didn't have hardware problems ONLY. I still would have chosen to replace the calipers anyway. I didn't want to have problems down the road and let the repair facility have the excuse that it was a caliper problem.
We got 11 years and 65K miles use on the system, so here is hoping for another 11 years. Wish us luck I really don't want to part with a BSWOM again. Oops we need tires soon!
__________________
Tom, Patty, Hannah "The Big Dog" and Abby Kat, Indianapolis, Indiana 2000 Alpine 36' FDS 72232, 2005 Blue Bird M450 LXI Our Photos
"We live out in our old van. Travel all across this land. Drive until the city lights dissolve into a country sky, just me and you - hand in hand." Zac Brown Band
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07-26-2011, 06:01 PM
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#11
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Senior Member
Alpine Owners Club
Join Date: Jun 2004
Posts: 2,554
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Greg,
If you replaced yours before, how long were you able to run the second set of calipers and did you replace all the hardware too?
__________________
Tom, Patty, Hannah "The Big Dog" and Abby Kat, Indianapolis, Indiana 2000 Alpine 36' FDS 72232, 2005 Blue Bird M450 LXI Our Photos
"We live out in our old van. Travel all across this land. Drive until the city lights dissolve into a country sky, just me and you - hand in hand." Zac Brown Band
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07-26-2011, 07:53 PM
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#12
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Senior Member
Join Date: May 2004
Location: Auburn, CA, Havasu, AZ & Mulege, BCS
Posts: 5,385
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My understanding of the rumors back when the Workhorse recall began was that Bosch would be converting all of this caliper family's pistons to the new phenolic coated type (for those who were not following, Bosch was using a phenolic coating on the caliper pistons that was hygroscopic, i.e. would absorb water over time out of the brake fluid and swell and stick in the bore causing brake drag; the new WH calipers, and all others of the 66 and 73mm piston calipers were to get a new, more swell resistant phenolic coating in all future caliper builds).
So if the BSWOM converted into genuinely fresh calipers, they should be good to go. Or stop. Or, well, er, um, you know... If the newbies were on the shelf since before the new phenolic, I'm guessing those sold as is. Hopefully the former.
__________________
Baja-tested '08 2-slide 36'
Alpine: The Ultimate DIY'er Project
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07-26-2011, 08:34 PM
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#13
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Senior Member
Alpine Owners Club
Join Date: Jun 2004
Posts: 2,554
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Swell!
__________________
Tom, Patty, Hannah "The Big Dog" and Abby Kat, Indianapolis, Indiana 2000 Alpine 36' FDS 72232, 2005 Blue Bird M450 LXI Our Photos
"We live out in our old van. Travel all across this land. Drive until the city lights dissolve into a country sky, just me and you - hand in hand." Zac Brown Band
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09-06-2011, 02:46 PM
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#14
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Junior Member
Join Date: Sep 2011
Posts: 1
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Mike,
I just started having the same problem on my 2000 36' FDDS. I saw some of your other post that recommended flushing the fluid and greasing the slides. I am going to try that first. However, if I need to get new calipers do you know if Bosch has released the newer units? I have looked for a contact number to contact them and have been unable to do find any phone numbers. If they have, do you possibly know the correct part numbers for the correct 73mm units?
Thanks!
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