IH 454 w/ brake problems

Posted by Larry G. Wellman on March 15, 2001 at 08:46:49 from (12.21.108.19):

I have an IH 454 with a diesel engine I've had for six years. Its been a great tractor. I'm looking for a loader for it but that's another subject. Six months ago, it started somehow getting air in the lines for the right brake. I've bled the lines many times using the procedure outlined in the shop manual. This will last for about a week whether I run the tractor or not. That's right, it somehow gets air in the lines even if it sits in the barn for a week without running. I've checked all of the fittings. I've looked for signs of leakage throughout the system. There are no leaks that I can find. The only thing I haven't done is split the final drive (to expose the brakes) to see if there is some internal leakage there. I'm hoping to avoid that. Does anyone know how this can be getting air in the lines on the right brake only?

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