1997 Opel Astra 4 cyl Two Wheel Drive Manual 96000 miles
My car opel astra 1.7td diesel has a problem. I get good brake in 1st, 2nd & reverse gear. But in 3rd 4th & 5th I have real braking problem. Kindly advise whether I have to go for a brake booster change or a vaccum pump repair or change.