TT Roadster L4-1.8L Turbo (AWP) (2003)
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Radiator Cap: Testing and Inspection
Testing pressure relief valve in filler cap
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Screw filler cap onto tester with adapter V.A.G 1274/9.
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Attach hand pump and build up pressure.
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The pressure relief valve should open at a pressure of 1.4 - 1.6 bar.
