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Re: How hard is it to rebuild a master cylinder?
odog: look and see if your firewall inside the truck is wet where the master cylinder is bolted and the brake rod is, you can rebuild one fairly easy, just take if off and remove the clip that hold the pistons and seals and springs. take note of how all the stuff inside comes out, you may have to use air pressure to get the pistons and springs and seals to come out, clean the cylinder up real good and use a hone to run in the boar , and after honing the boar out check and see if you have any pits, if everything is smooth then you can rebuild it yourself, if its pitted real bad than you need to replace it...you said your friend has a kit, if the kit is real old than make sure the rubber cups are still good, and will seal properly ....its not hard at all, but at the price of a new or rebuilt master cylinder these days. it would be up to you....good luck on the truck
with a bad rubber inside the master cylinder it can bypass fluid , with the pits,wore out rubber seals, and dirt that live in old brake fluid...
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