Toyota 4A-FE Repair Manual page 7

~-6 INTRODUCTION - General Repair Instructions
Example
IN0002
(d) When steam cleaning an engine/ protect the distribu-
tor, coil, air filter, and VCV from water.
(e) Never use an impact wrench to remove or install ther-
mo switches or thermo sensors.
(f)
When checking continuity at the wire connector,
insert the tester probe carefully to prevent terminals
from bending.
{g) When using
a
vacuum gauge, never force the hose
onto a connector that is too large. Use a step-down
adapter instead. Once the hose has been stretched, it
may leak.
13. Tag hoses before disconnecting them:
(a) When disconnecting vacuum hoses, use tags to iden-
tify how they should be reconnected.
(b)
After completing a job, double check that the
vacuum hoses are properly connected. A label under
the hood shows the proper layout.