VALVES
These should be particularly examined, for quite apart from the possibility of ordinary leakage through wear, etc., it is sometimes also
possible for them to stick slightly when cold, which will always render starting impossible.
SUCTION-PIPES
In many modern cars, induction pipe depression is utilised for the operation of exhaust vacuum tanks, screen wipers and servo brakes.
Where these are present it is most important to examine the various joints in connection with same, and also the accessories themselves
to see that when out of operation there is no leakage.