Removing
Remove the distributors.
Remove the roller arms together with the bearings and place them on a clean surface.
Do not interchange roller arms and bearings.
Unscrew the spark plugs with a spark plug wrench 3122 V.
Bring the piston of the respective cylinder to «bottom dead center».
Insert valve mounting tool 2036 with adapter plates 2036/1 and align them.
Screw adapter T40012/1 into the spark plug well, connect with a standard adapter to the pressure pipe and apply pressure continuously. The minimum overpressure must be 6 bar.
Remove the valve springs using the valve spring removal lever VW 541/ 1 A and the VW 541/6 mandrel (pic. 2.82).
NOTE: Loosen jammed tapers by tapping lightly on the mounting lever with a hammer.
Remove the valve stem seals using a 3364 extractor.
Installation
To avoid damage to the new valve stem seals, place plastic boot A on the valve stem.
Lubricate the lip of valve stem seal B with engine oil, insert into tool 3365 and press gently into the guide bush (pic. 2.83).
Install camshafts.
Adjust the valve timing.
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