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Not much to go on with your current sig. Most likely water in the lines or caliper (freezing temps) causing them to hang up. Best to do a complete flush of the system (should be done every two years regardless). Use some speed bleeder valves (pick up from any parts store)...makes the job of bleeding much easier...and don't use just any brake fluid...I use Valvolines DOT3 Syn took about 3 pints to completely flush everything. Also keep topping off the reservoir and don't let it get down below the mold crease on the side of the reservoir (to avoid drying out the abs sensor)...I wound up eventually replacing all four calipers...they were just hanging up at the most inconvenient times.
Not much to go on with your current sig. Most likely water in the lines or caliper (freezing temps) causing them to hang up. Best to do a complete flush of the system (should be done every two years regardless). Use some speed bleeder valves (pick up from any parts store)...makes the job of bleeding much easier...and don't use just any brake fluid...I use Valvolines DOT3 Syn took about 3 pints to completely flush everything. Also keep topping off the reservoir and don't let it get down below the mold crease on the side of the reservoir (to avoid drying out the abs sensor)...I wound up eventually replacing all four calipers...they were just hanging up at the most inconvenient times.
You did good. I went thru 3 qts.+ be4 I was satisfied.
possible causes are going to failed caliper pistons, stuck slide pins, contaminated fluid, or rear axel seal leaking.
any of the above can be fixed. if you have never tried to rebuild a caliper you may want to opt for a reman.. brakes are a big safty item.
Great points Cheezit...as always. Advance has Cardone reman calipers for $52 each (without the hanger but includes new slide/glide pins boots and bolts). Much easier than attemping a rebuild with potential for failure...remember these trucks stop when needed to protect you and your family as well as those of others on the road around you. Safety First.
O'reilly's had the brake caliber for $49.99 plus a 12 oz bottel of brake flued seems to have fixed my problim for now I'm shur the other three calibers are not far from needing to be replaced the price and time for the replacement was less then an hour and $62.98
I love O'Reilly's...just wish we had one around here. Glad to see that it fixed the problem...I just changed my two fron t ones today and my rear ones a few months back.