Vehicle Care; General Information; Accessories And Modifications - GMC duramax diesel 2016 Supplement Manual

Vehicle Care

General Information

Accessories and
Modifications . . . . . . . . . . . . . . . . . 85
Vehicle Checks
Engine Compartment
Overview . . . . . . . . . . . . . . . . . . . . . 87
Engine Oil . . . . . . . . . . . . . . . . . . . . . 92
Engine Oil Life System . . . . . . . . 96
Automatic Transmission
Fluid . . . . . . . . . . . . . . . . . . . . . . . . . 96
Engine Air Cleaner/Filter . . . . . . 101
Cooling System . . . . . . . . . . . . . . 104
Engine Coolant . . . . . . . . . . . . . . . 105
Engine Overheating . . . . . . . . . . 109
Battery (4 Cylinder
Engine Only) . . . . . . . . . . . . . . . . 110
Electrical System
Engine Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 111
General Information
Accessories and
Modifications
Adding non-dealer accessories or
making modifications to the vehicle
can affect vehicle performance and
safety, including such things as
airbags, braking, stability, ride and
handling, emissions systems,
aerodynamics, durability, and
electronic systems like antilock
brakes, traction control, and stability
control. These accessories or
modifications could even cause
malfunction or damage not covered
by the vehicle warranty.
Damage to vehicle components
resulting from modifications or the
installation or use of non-GM
certified parts, including control
module or software modifications, is
not covered under the terms of the
vehicle warranty and may affect
remaining warranty coverage for
affected parts.
Vehicle Care
GM Accessories are designed to
complement and function with other
systems on the vehicle. See your
dealer to accessorize the vehicle
using genuine GM Accessories
installed by a dealer technician.
See the warranty manual.
Aftermarket Engine
Performance Enhancement
Products and Modifications
Some aftermarket engine
performance products and
modifications promise a way to
increase the horsepower and torque
levels of the vehicle's powertrain.
You should be aware that these
products could have harmful effects
on the performance and life of the
engine, exhaust emission system,
transmission, and drivetrain. The
engines, transmissions, and
drivetrains have been designed and
built to offer industry leading
durability and performance in the
most demanding applications.
Engine power enhancement
products may enable the engine to
operate at horsepower and torque
levels that could damage, create
85