volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

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Assembly overview > < Checking compression

Golf Mk4

Repairing valve gear
Repairing valve gear
  Note
t  Cylinder heads which have cracks between the valve seats or between a valve seat insert and the spark plug thread can be used further without reducing service life, provided the cracks do not exceed a maximum of 0.3 mm in width, or when no more than the first 4 turns of the spark plug thread are cracked.
t  When new bucket tappets have been installed the engine must not be started for about 30 minutes. (Otherwise valves will contact pistons.) Then turn crankshaft two full revolutions.
Assembly overview → Chapter
Reworking valve seats → Chapter.
Renewing camshaft oil seal → Chapter
Removing and installing camshaft → Chapter
Checking hydraulic bucket tappets → Chapter.
Checking valve guides → Chapter.
Renewing valve guides → Chapter
Renewing valve stem seals → Chapter.
   

Assembly overview > < Checking compression