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Rear Brake Wheel Cylinders
https://slantsix.org/forum/viewtopic.php?f=13&t=62722
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Author:  jkotis [ Thu Aug 16, 2018 8:07 pm ]
Post subject:  Rear Brake Wheel Cylinders

I need to replace the rear brake wheel cylinders on my 1986 Dodge D150. The shop manual calls for 15/16" cylinder bores. I ordered some new wheel cylinders that are 7/8" from Rock Auto that were supposed to be for my truck. Can I use these wheel cylinders are should I order some 15/16" cylinder bore wheel cylinders?

Author:  SpaceFrank [ Fri Aug 17, 2018 2:40 pm ]
Post subject:  Re: Rear Brake Wheel Cylinders

Depends. Did your truck lock up the rear wheels under hard braking with the 15/16" rear wheel cylinders before?

Smaller diameter on the rear cylinders will mean less braking force on the rear shoes. This can actually be a good thing if the rear wheels had a tendency to lock up first, like a lot of Chrysler passenger cars. No idea if this applies to your truck, though. Things could also change loaded vs. unloaded.

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