Audi A4 Owners & Service Manuals

Audi A4: Tools and Equipment

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 Testing Equipment, Tools and Materials

General Information   Note This list outlines the testers, tools and materials required for expert refrigerant circuit repair work. For tools and materials available from the distribution ce

 Commercially Available Tools and Materials

Fin comb Fill hoses 5/8"-18 UNF thread   Note Use differently colored charging hoses (1800 mm long). Have valve opener and spare seals to hand. A charging hose in short version is also incl

 Transmission

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 Seat Belt Latch, Function Test

Seat Belt Latch, Checking - Insert the belt tongue into the seat belt latch until it clicks into place. Check whether the locking mechanism is properly engaged by giving the seat belt webbing a firm jerk. Replace the entire seat belt with the seat belt latch if the belt tongue fails even o

 Vehicles with Restrictor, Reservoir and A/C Compressor Regulator Valve -N280- (Externally Regulated A/C Compressor), Checking Pressures

Specified Values for the Refrigerant Circuit Pressures   Note Connect the Air Conditioning (A/C) service station. Refer to → Chapter "A/C Service Station, Connecting". Observe the test requirements. Refer to → Chapter "Pressures, Checking". - With the ignition switched

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