Uniform Tire Quality Grading
Quality grades can be found where applicable on the tire sidewall between tread shoulder and maximum section width.
For example:
See also:
Cooling System
If the vehicle has the Duramax® Diesel engine, see the Duramax® Diesel Supplement for more information.
The cooling system allows the engine to maintain the correct working temperature.
5.3 L En ...
How to Add Coolant to the Coolant Surge Tank
Notice: This vehicle has a specific coolant fill procedure. Failure to follow
this procedure could cause the engine to overheat and be severely damaged.
If you have not found a problem yet, check t ...
Driving in Water
WARNING
Driving through rushing water can be dangerous. Deep water can sweep your vehicle
downstream and you and your passengers could drown. If it is only shallow water,
it can still wash away t ...





