Starter Switch Check; Automatic Transmission Shift Lock Control Function; Function Check - GMC SAVANA 2013 Owner's Manual

Engine:
Removal or rendering engine
speed governor, if the vehicle
has one, inoperative so as to
allow engine speed to exceed
manufacturer specifications.
Fan and Drive:
Removal of fan clutch, if the
vehicle has one, or rendering
clutch inoperative.
Removal of the fan shroud, if the
vehicle has one.
Air Intake:
Removal of the air cleaner
silencer.
Modification of the air cleaner.
Exhaust:
Removal of the muffler and/or
resonator.
Removal of the exhaust pipes
and exhaust pipe clamps.
Fuel Operated Heater
(FOH) Diesel Engine:
Removal of the muffler.

Starter Switch Check

WARNING
When you are doing this
inspection, the vehicle could
move suddenly. If the vehicle
moves, you or others could be
injured.
1. Before starting this check, be
sure there is enough room
around the vehicle.
2. Firmly apply both the parking
brake and the regular brake.
See Parking Brake on
page 9 31.
Do not use the accelerator
pedal, and be ready to turn off
the engine immediately if it
starts.
Vehicle Care
3. Try to start the engine in each
gear. The vehicle should start
only in P (Park) or N (Neutral).
If the vehicle starts in any other
position, contact your dealer for
service.
Automatic Transmission
Shift Lock Control

Function Check

WARNING
When you are doing this
inspection, the vehicle could
move suddenly. If the vehicle
moves, you or others could be
injured.
1. Before starting this check, be
sure there is enough room
around the vehicle. It should be
parked on a level surface.
10-29