gandp1
norris city
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have f=53 chassis 2001 70000 miles brakes on rr got very hot was in stop & go traffic cooled down & drove 50 miles &they stayed cool so i dont think cal sticking noy on both sides rig has been idle in fl 3 months ideas?
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pulsar
Lewisville, NC
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Moved from Forum Technical Support.
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bsinmich
Holland, MI
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Have you flushed the brake fluid? I had a '89 E350 that had a similar problem back in '91. My mechanic explained brake fluid absorbing moisture and the damage that moisture causes in a brake system. If you have rust inside the calipers already you may have to do some replacing. The best way to eliminate the problem is by flushing every 2 years. It takes about 15 minutes with my son helping me and 2 qt. of brake fluid. That is cheap prevention on any brake system.
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MountainAir05
New Mexico
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Along with the flush, check the brake hoses and if they did overheat then replace, and clean/lube the brake pad pins and guides.
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ArchHoagland
Clovis, CA, USA
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I'm wondering how you know they are hotter than they should be.
It might be interesting to get an IR gun and check the temps on the brakes at every stop.
If one side is consistently hotter than the other then you may want to check out what's wrong with that one.
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jvander
Indianapolis
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If it's just one wheel that is hot, it is most likely to be sticking caliper or sticking caliper slides.
IR gun is a great idea. More info on how hot is very hot would be helpful.
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wolfe10
Texas
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Yup, change brake fluid, lube caliper slide pins and check hoses.
All very standard issues on that system.
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Big Katuna
Deland, FL
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The symptom of happening during stop and go traffic makes me think the brakes are dragging seconds or a minute or so after release. Slow-to-release won't show any problems on a normal slowdown but the constant tapping means the brakes are constantly on. You can test this with a pressure guage on your brake system (front) and then go for a drive.
You can also mitigate the symptom by driving like you don't have brakes, which isnt a bad idea anyway. In heavy traffic, slow down so there is always a gap in front of you, down shift early and often, in stop and go traffic, drop it into 1 or 2 and otherwise keep your foot off the brake.
And yes, bleed your system, lube the slides and consider replacing the hoses.
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phillyg
Front Royal, VA
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I vote for sticking caliper slides; had that same problem on my 1997 F53 chassis. They stick because the chassis sits more than it is driven.
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jvander
Indianapolis
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I wouldn't think it would happen on a 2001 chassis, but I suppose it could happen: If the brake hose goes bad (either the rubber swells and closes off the hose or the inner liner collapses) the high pressure of the brake system can push fluid through the hose to activate the brakes, but it takes some time for the fluid to go back through the hose when the pedal is released. This would explain the overheating in stop/go traffic but not on a 50 mile drive.
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