Golf, Golf GL, Golf GT, Jetta, and Jetta GL models, both gasoline and diesel, are equipped with front disc brakes and rear drum brakes. GTI, Jetta GLI, and Jetta Carat models are equipped with four-wheel disc brakes, and internally ventilated front brake rotors for better cooling. All GTI and Jetta models use the load-sensing type of pressure regulator. All Golf models use the master cylinder mounted proportioning valves.