tick, tick, tick, but louder.

Knud,

Perhaps a valve lifter.  A fairly common noise on Vanagons, especially 
after the next start after running the engine only for a short time.  This 
is nothing to worry about if it goes away after warm up and happens 
infrequently.

Mike

Michael A. Radtke  -  Z74               Voice: 602-862-4897
Bull                                      FAX:         4853
13430 N. Black Canyon Hwy.
Phoenix, AZ  85029                      Email: m.radtke@bull.com