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Old 09-22-2009, 12:14 PM   #1
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Brake Pin Slider Lube Procedure

Dave Fernandez - Can you please outline your 2 hour procedure for lubricating the slider pins for a 2000 Alpine?

I going to guess your procedure was to...
1. Remove one Caliper Mounting Bolt.
2. Slide the end of the caliper away from the axle.
3. Pull out the Pin with the Pin Boot attached.
4. Lube and resemble.
5. Repeat this process for each end of each caliper, eight times total.

Was I close??

Page 5 of the Bosch Pin Slide Brake Manual has a nice diagram of the calipers.
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Old 09-23-2009, 02:10 AM   #2
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Close but no Cigar!

You will need if my memory serves me an 18mm short socket with a long breaker bar for the rear and a ratchet wrench for the front will work. The rear has limited room because of the trailing arms get in the way when removing the Caliber Mounting Bolts.

You must remove both Caliber Mounting Bolts in order to remove and lube the pin sliders without removing the wheels. The fronts are a little harder because the Aluminum Wheels are thicker and allow less room for the caliber to move away from the rotor and forward or to the rear allowing access to pin sliders for removal. The rears allow for more movement of the caliber once the Caliber Mounting Bolts are removed.

There is a leading and trailing Pin Sliders so please look at how they are disassembled for reassembly (See Page 25 of the Service Manual). Perform one side at time incase you miss something you can look at the other side as a reference.

Clean the anchor plate holes and be careful not to damage the rubber pin boots. Use a liberal amount of lube for reassembly. Re install the pin sliders and then move caliper into position and install the bolts and torque to manual specifications (Page 10 of Service Manual). Note that the Pin Sliders must be placed into position so that caliper can be installed properly (See Page 25 of the Service Manual).

You can not torque the lower rear Caliber Mounting Bolts because of the trailing arms.
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Old 09-23-2009, 10:49 AM   #3
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Maybe next trip down Pin-slide lube lane, somebody can put together a short Word doc with some photos?
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Old 09-23-2009, 06:25 PM   #4
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What year coaches are affected by this problem? I have a 2003 34 FDDS do I need to worry about this?

Thanks,
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Old 09-23-2009, 10:16 PM   #5
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According to the sales brochures, 2000 model years have the Bosch Pin-Slide brakes, and 2001 and later have Meritor 4-piston hydraulic discs. So (except for those screwy not-quite-model-year-compliant rigs) 2000 and prior need to do pin lube, and 2001 and later do not.
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Old 09-24-2009, 12:54 PM   #6
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My 2001 36MDDS produced in Nov. of 2000, coach # 74328 has the Bosch 4 pin brakes which are the same as in the Workhorse Bosch Brake recall. I don't know when the change was made from the Bosch Brakes.
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