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Date:         Fri, 4 Dec 2009 18:18:32 -0500
Reply-To:     Edward <emaglott@BUNCOMBE.MAIN.NC.US>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Edward <emaglott@BUNCOMBE.MAIN.NC.US>
Subject:      Re: Need advice on Brake issues
In-Reply-To:  <BAY132-DS3B7BF270A8C13E21A21D5A0930@phx.gbl>
Content-Type: text/plain; charset="us-ascii"; format=flowed

Seems like a sticking caliper would have been a real problem when they put on the new, thicker rotors and pads. They would have had to push the piston back in and they usually don't go back in on a stuck caliper in my experience. Edward

At 05:40 PM 12/4/2009, Dennis Haynes wrote: >First you need to determine if the pulse is from the front or rear. Try >stopping with the handbrake. If the rears are causing a pulse it will be >apparent. > >It is common for the rear drums to be damaged if they were pried off the >hubs or the shoes. If pried the backing plates are probably also damaged. To >make things worse the drum can also be messed up being put back on >especially if an overzealous guy with the impact wrench relied on the wheel >to get the drums seated again. > >Not all front brake pulsations are due to warped or bad rotors. Bad pad >choices and sticking calipers can cause the new pads to seat unevenly and >glaze the rotor surface which can cause pulsations. I can't believe that >someone knowledgeable would replace pads and rotors without making darn sure >the calipers were good. Since the rotors were cut below spec you know >incompetent folks have been working on this van. At the point of rotors and >pads Calipers and hoses should have been considered regardless. No brake job >is really complete without the hydraulics. > >Pad and shoe choice is extremely critical on the Vanagon especially with the >small size of the brake system. Metal masters up front and OEM (dealer) >rears are the best option. Rear cylinders should be ATE if possible and also >get the rear hardware kit form the dealer. Check the archives for my >suggestions on shimming the lower shoe mounts. > >Dennis


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