When to change the brake fluid on a GM 454?
When to change the brake fluid on a GM 454? Old/hydrated brake fluid boils at under 300 degrees F-- new fluid around 500 degrees. Loosing your brakes in the mountains is not when to decide to change the brake fluid. BTW, our Foretravel is a 1993 with 157,000 miles. Joe, as Brett may have already said, Welcome to the Forum. The GM 454 (7.4) is a great engine. Can a 454 take you on that trip? Can a 454 take you on that trip-- absolutely. The only HAVE TO other than routine maintenance is to change the BRAKE FLUID. Old/hydrated...