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NE KS | What I was saying was the problem was still there with the trailer hooked but wasn't as noticeable because of the trailer doing most of the braking. Also if I needed to stop quickly in an emergency the brakes are still working with full force and with a load they would most likely not lock up.
Today I replaced the valve behind the fifth wheel. I did not have an r12, mine was an OR65146 and while I was at it I also replaced OR28971 infront of the fifth wheel (I broke the mounting tab when shortening the frame so it needed to be replaced anyway). It will be a little while before I have the truck out to test it. the OR65 was $200 so defiantly not cheap.
That is interesting about rust on the S cams, I would never think of that. If the valve doesn't fix it I will look into the S cams. The truck very rarely runs in the salt and sits inside 95% of the time. | |
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Peterbilt brake issue
