10-02-2024, 09:37 AM
Does your coach have a transmission retarder? Your description leads me to brakes. Check parking brake valve. Also air brake quick release valve. On my Classic Newell the rear one was mounted above rear axle. There should be one for front axle as well.
1993 Newell (316) 45' 8V92,towing an Imperial open trailer or RnR custom built enclosed trailer. FMCA#232958 '67 Airstream Overlander 27' '67GTO,'76TransAm,'52Chevy panel, 2000 Corvette "Lingenfelter"modified, '23 Grand Cherokee.