Ricky Beals Posted September 19, 2022 Share Posted September 19, 2022 I have a 2000 RD688 and the air gauge in the truck has two needle, green and orange. When I really trying to stop my truck the green needle drops pretty quick. I have to watch or the parking brake light comes on. I can hear any air leaks but I’m thinking I have one. Can someone with a little more experience explain what’s going on and how to fix it. Thanks in advance. Quote Link to comment Share on other sites More sharing options...
Brian L Blaylock Posted September 19, 2022 Share Posted September 19, 2022 If your air pressure drops during braking it’s more than likely you have a bad brake chamber 1 Quote Link to comment Share on other sites More sharing options...
Ricky Beals Posted September 19, 2022 Author Share Posted September 19, 2022 How would I go about figuring out which one? Quote Link to comment Share on other sites More sharing options...
Onyx610 Posted September 19, 2022 Share Posted September 19, 2022 (edited) Hold the brakes and have someone listen for a leak, you should be able to hear it if it’s bad. Edited September 19, 2022 by Onyx610 1 Quote Link to comment Share on other sites More sharing options...
Popular Post Quickfarms Posted September 19, 2022 Popular Post Share Posted September 19, 2022 Air the truck up, chock the wheels, release the parking brake and shut the engine off, then have someone hold the brake pedal and walk around and listen for the leak. the last one I have was a faulty valve on the front brakes 3 Quote Link to comment Share on other sites More sharing options...
Ricky Beals Posted September 19, 2022 Author Share Posted September 19, 2022 I will do this, thanks for the replies Quote Link to comment Share on other sites More sharing options...
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