Volkswagen Engine >> REVISED VALVE RETAINER & KEEPERS FOR DIESEL HEAD
Volkswagen Engine >> REVISED VALVE RETAINER & KEEPERS FOR DIESEL HEAD
Valve Retainer & Lock Changes On
Volkswagen 1500 & 1600 Diesel Engine
Perfect Circle engineers report that Volkswagen is using two different combinations of valve retainers and locks on its 1500cc and 1600cc diesel engines. Both combinations have been found on the same head at times with all the exhaust one type and the intakes the other type.
The single groove lock is used with the retainer that has an overall height of .375 while the three groove lock is used with the retainer having an overall height of .325.
Care must be taken to insure that the correct locks are used with each retainer to avoid costly damage to the engine. Valve breakage will occur if you intermix the retainers and locks.
The AERA Technical Committee
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