page_title: Volkswagen Bora
section_title: Diesel
hierarchical_section_title: Volkswagen Bora / Diesel
caption_attribution_description: English: 2002 VW Jetta TDI, turbo-diesel
context_page_description: The Volkswagen Bora is a small family car, the fourth generation of the Volkswagen Jetta, and the successor to the Volkswagen Vento. Production of the car began in July 1999. Carrying on the wind nomenclature from previous generations, the car was known as the Volkswagen Bora in much of the world. Bora is a winter wind that blows intermittently over the coast of the Adriatic Sea, as well as in parts of Greece, Russia, Turkey, and the Sliven region of Bulgaria. In North America and South Africa, the Volkswagen Jetta moniker was again kept on due to the continued popularity of the car in those markets.
  The Mk4 debuted shortly after its larger sibling, the Passat, with which it shared many styling cues. The rounded shape and arched roofline served as the new Volkswagen styling trademark, abandoning traditional sharp creases for more curved corners. A distinguishing feature of the Mk4 is its Whiptenna, a trademark for the antenna on the rear end of the roof, which claims to incur less drag than traditional antennae due to its short length and leeward position. For the first time, the rear passenger doors differed from those of a five-door Golf.
context_section_description: In 2004, a new range of "Pumpe-Düse" Unit Injector diesel engines was offered. This new design employed advanced unit injectors, along with additional electronics and emissions equipment to meet new emissions standards in Europe and North America, and is considerably more complex than the older diesel engines previously offered. To accomplish the task of producing sufficient power while meeting emissions standards, the "PD" technology injects fuel directly into the combustion chamber at pressures up to an incredibly high 2,050 bar (30,000 psi). The purpose of the high pressure is to promote fine atomisation of the fuel, which supports more complete combustion. To reduce noise, the engine employs a "pilot injection" system that injects a small amount of fuel prior to the main injection. All of the new generation of diesel engines require a special motor oil to meet Volkswagen oil specification 505.01 (or newer). Serious damage to the engine, particularly the camshaft and injectors, will result if oil not meeting this standard is used.
caption: 2002 Volkswagen Jetta TDI turbodiesel (US)
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