Threaded Connections, Repairing: Procedure

WARNING: This page is about a different car, the 2016 Volkswagen Beetle, 2015 Volkswagen Beetle, 2014 Volkswagen Beetle, 2013 Volkswagen Beetle, and 2012 Volkswagen Beetle. However, it is still accessible from the selected car via links, so may be relevant.

-- Disconnect the Battery -A-, refer to [For transmission(s) 0A4, 02E, 09G, 02Q] [For engine(s) CVCA, CPRA, CBTA, CPKA, CPLA, CJAA, CBUA, CPPA, CCTA, CBFA] Battery, Starter, Generator, Cruise Control .

-- Loosen the cap nut and remove the wiring eyelet from the threaded connection.

Fig 1: Disconnecting Battery

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Check the threaded connection for corrosion and dirt.

-- Select the corresponding adapter and the corresponding sanding pad for the threaded connection.

CAUTION: Make sure the tin layer is not worn down too much and the copper is not visible. A galvanic element can form from this, destroying the metal and causing incorrect repairs.

NOTE: Due to the different thicknesses of the tin layer, the cleaning process must be performed in several steps and a visual inspection of the wiring eyelet between steps is necessary.

-- Insert the adapter in the threaded connection and sand off the corrosion and contamination with circular motions.

Fig 2: Sanding Off Threaded Connection

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Check the threaded connection and sand it again.

-- Fasten the connection and the anti-twist mechanism. .

-- Protect the threaded connection with the corresponding protection material, refer to PROTECTING .

-- Connect the Battery -A-, refer to [For transmission(s) 0A4, 02E, 09G, 02Q] [For engine(s) CVCA, CPRA, CBTA, CPKA, CPLA, CJAA, CBUA, CPPA, CCTA, CBFA] Battery, Starter, Generator, Cruise Control .

WARNING: Risk of injury. Follow all warning messages and safety precautions, refer to WARNINGS AND SAFETY PRECAUTIONS .