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Car Forum / Driving, Maintenance, Tuning / Maintenance and Repair / December 2006wheel cylinders leaking?
Wheel cylinders were replaced with NEW ones 3 1/2 years ago when upon inspection one was found to be seeping. Now there is another leak, same side, with fluid leaking onto the floor and brake shoes soaked. Three years seems soon for a cylinder to go bad. Could there be another source for a leak other than the cylinder itself, perhaps a brake line? The shop that did the job originally has a solid reputation, same ownership, in the community for 50 yrs so I don't think they would have not done the job I paid for back then. If the lines weren't flushed, dirt in them will cause early seal failures. Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's Canadian Off Road Trips Photos: Non members can still view! Jan/06 http://www.imagestation.com/album/pictures.html?id=2115147590 (More Off Road album links at bottom of the view page) > Wheel cylinders were replaced with NEW ones 3 1/2 years ago when upon > inspection one was found to be seeping. Now there is another leak, [quoted text clipped - 4 lines] > reputation, same ownership, in the community for 50 yrs so I don't > think they would have not done the job I paid for back then. > Three years seems soon for a cylinder to go bad. No. Especially not if they're re-manufactured (honed) rather than new, or if they're a chromed piston not stainless, or if they're old pistons in rebuilt calipers, or if you live somewhere with road salt. > Wheel cylinders were replaced with NEW ones 3 1/2 years ago when upon > inspection one was found to be seeping. Now there is another leak, [quoted text clipped - 4 lines] > reputation, same ownership, in the community for 50 yrs so I don't > think they would have not done the job I paid for back then. The brake line goes into the back of the wheel cylinder, and is exposed on the OUTSIDE of the brake backing plate. If the line is leaking, there will be fluid on the outside of the backing plate. Fluid on the inside and soaking the brake linings can really only come from the cylinders themselves. I'd wonder if there's excessive moisture in the system that caused the new cylinders to corrode rapidly. Brake fluid should be flushed periodically anyway, especially if the vehicle is driven rarely and/or in cold or damp climates. > Wheel cylinders were replaced with NEW ones 3 1/2 years ago when upon > inspection one was found to be seeping. Now there is another leak, [quoted text clipped - 4 lines] > reputation, same ownership, in the community for 50 yrs so I don't > think they would have not done the job I paid for back then. How big are the brake drums now? Excessive wear and/or turning will cause the wheel cylinders to leak as the shoes wear and the wheel cylinders overextend.  SignatureSteve Walker fusion640@verizonwallet.net (remove wallet to reply) > How big are the brake drums now? Excessive wear and/or turning will > cause the wheel cylinders to leak as the shoes wear and the wheel > cylinders overextend. > -- > Steve Walker Don't know how big the drums are now. The shoes were replaced same time as the cylinders about 28k mi. ago and still would have had lots of miles left on them if not saturated with fluid. The car's driven daily in south Florida so no ice/salt. Maybe it was just a poorly manufactured part? Or along the lines of "work paid for but not done", would there be any markings on a cylinder (95 Toyota Celica) that would identify it as original equipment? Thanks for the responses.... |
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