Power Assist Brake Vacuum Hoses, Lines/piping, And Fittings Problems of Volkswagen Jetta

I am writing this for my girlfriend. She has a 2004 Volkswagen Jetta tdi (diesel). Her brake pedal has been getting hard in the mornings resulting in decreased braking. Upon examination, I found that a hard vacuum line from the vacuum pump to the brake booster had a large crack in it. I went on the internet to tdiforums. Com and did a search only to find that this was a common problem. The part is available from the dealer, and will cost me about $60 to replace. The dealer actually quoted her $650 to replace the entire brake booster to fix this condition.

See all problems of the 2004 Volkswagen Jetta 🔎.

June 24th, while I was driving my four month old 2003 Jetta tdi on the the highway at a 70mph, the cruise control failed to engage. After the car had stopped and began moving again the cruise functioned properly. Two days later on June 26, 2003, while in lunch hour traffic-with a CO-worker in the car the brakes automatically engaged by themselves at 40 mph. We stopped on a dime and were almost rear ended. This occured over 10 times before we got back to the office (we were less than two miles away). Dealership is replacing brake booster and master cylinder and I have requested full warrenty on new brake system from Volkswagen of America. This is a potentially serious flaw that could have eaisly caused bodily injury. I have yet to learn if there is a track record of the brakes failing on the 2003 designs but wanted to begin a documentation record.

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Vacuum line to turbo failed, causing near total lack of acceleration -- almost causing an accident.

See all problems of the 1999 Volkswagen Jetta 🔎.