dionden Posted August 13, 2023 Share Posted August 13, 2023 Did you even read Rene's opening post? He's descending some of the steepest mountain passes in the Swiss alps in a fully laden '80's Bronco with a C6. Miles and miles of downhill switchbacks... You spend half an hour or more riding the brakes There's a reason for signs that say 'Trucks use low gear' Rene should be in (1) or (2) but definitely not (D) Heat from the brakes will cause two scenarios 1. Brake fade, overheating of the friction surfaces. Driving in D1 or D2 will not get enough air to rotors or calipers to cool them down. 2. Brake pedal loss, caused from boiling fluid. This later scenario can be isolated by pumping the brake pedal and if pedal/brakes are better then there is water in the system. Have to ask Rene if he did pump them? Either way after such a drive Rene should flush the brake fluid. Link to comment Share on other sites More sharing options...
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