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|All Messages in Thread||Author||Date|
|Brakes getting hot and locking up||Jeff||7-19-14|
|1994 Georgie Boy swinger diesel pusher. 6.5L GMC. I just purchased this RV a couple of months ago and have just finished major cooling system overhaul and started vacation. Of course about 10 miles down the road noticed that I was loosing power and slowing down. I pulled over within a mile and notice smell of burning or hot brakes. Immediately thought that the park brake I had just repaired was the problem, however the brake drum at the transmission was cool and the the passenger side disk brake was hot and smoking. I have read this forum and hope that it may be as simple at just replacing any rubber brake hose. Any suggestions, as do I really need to replace the brake components, or just lubricate the slides on the calipers? It is a Spartan chassis. Thanks guys for any help.|
|Re: Brakes getting hot and locking up||BUBBA THE BUS TECH||7-21-14|
|Some Spartans came with air brakes, some came all hydraulic depending on year and weight.|
Diagnostic: Jack it up and confirm the brake is dragging, it may not untill you apply the brakes a couple times and warm it up or until you step on them hard.
If it is, open the bleeder screw and rotate the wheel if it frees up, change the brake line. If it continues to drag determin if one side of the rotor is discoulored or both are the same. If both are the same change the caliper, if only one side is showing damage due to overheat disasemble and lube pins.
|Re: Brakes getting hot and locking up||Jeff||7-29-14|
|Thank you much for the information. Found that the brake lines may be the culprit. Had the caliper rails lubed and the rotors and pads still looked good (no overheat) After having all that done had a good trip until near home, then brake started to drag and slow us down. Got off the road waited for an hour (cooled), and made it home without further incident on 500 mile journey. I plan on taking off the wheels and rebuilding the calipers, re lubing the rails and any pins, and installing new brake lines. I have never worked on a rig this heavy before and believe that I will soon need a pneumatic wrench for taking wheels off and on. Spartan says 450=-50 foot pounds of torque on the lug nuts. More than my torque wrenches will provide. Need information on correct pneumatic tool for the job. Again thank you for your information. Anybody know of a good tool for this job? Probably HF.|