HELLO EVERYONE, IM NO ENGINEER, BUT I WONDERED IF ANYONE COULD HELP WITH THIS INTERMITTANT HARD BRAKE PROBLEM I HAVE. SOME SAY SERVO, SOME SAY VACUUM PUMP. ARE THERE ANY TESTS TO DETERMINE THIS ???
IT STARTED ABOUT A MONTH AGO AND ONLY APPEARS TO HAPPEN AT SLOW SPEEDS WHEN IVE PUMPED THE BRAKE SEVERAL TIMES. IF I ACCELERATE A LITTLE, I HAVE THE ASSISTANCE BACK UNTIL I PUMP IT SEVERAL TIMES AGAIN. I HAVE NO VISUAL LEAKS AND FLUID LEVELS ARE OK. SERVO OR VACUUM PUMP ? WHERE WOULD THESE PARTS BE POSITIONED IN MY ENGINE COMPARTMENT SO I CAN CHECK FOR ANY SPLIT PIPES ETC. THANKS FOR ANY HELP.
S Type 2.7 Diesel brake servo.
in Jaguar S-Type Club
Posted
HELLO EVERYONE, IM NO ENGINEER, BUT I WONDERED IF ANYONE COULD HELP WITH THIS INTERMITTANT HARD BRAKE PROBLEM I HAVE. SOME SAY SERVO, SOME SAY VACUUM PUMP. ARE THERE ANY TESTS TO DETERMINE THIS ???
IT STARTED ABOUT A MONTH AGO AND ONLY APPEARS TO HAPPEN AT SLOW SPEEDS WHEN IVE PUMPED THE BRAKE SEVERAL TIMES. IF I ACCELERATE A LITTLE, I HAVE THE ASSISTANCE BACK UNTIL I PUMP IT SEVERAL TIMES AGAIN. I HAVE NO VISUAL LEAKS AND FLUID LEVELS ARE OK. SERVO OR VACUUM PUMP ? WHERE WOULD THESE PARTS BE POSITIONED IN MY ENGINE COMPARTMENT SO I CAN CHECK FOR ANY SPLIT PIPES ETC. THANKS FOR ANY HELP.