Removing and installing valve stem seals (cylinder head removed)
Checking valve guidesChecklist
Never carry out any work on the engine or in the engine compartment
if you are not familiar with the requisite procedures and general safety requirements,
or if you only have access to incorrect operating equipment, service fluids,
and unsuitable tools . The work should be carried ou ...
Notes on safety
Safety precautions during a road test
using test and measuring equipment
Observe the following if test and measuring equipment is
required during a road test:
Risk of accidents due to distraction and inadequate securing ...
Operation
First read and observe the introductory information
and safety warnings The auxiliary heater exhaust system, located under the
vehicle, must not be blocked by snow, mud or other items. The exhaust fumes must
not be obstructed in any way. The emissions generated by the auxiliary heater are
...