How to Check Lubricant
2500HD with 6.0 L
All Other Series and Engines
To get an accurate reading, the vehicle should be on a level surface.
• For all 4.3 L, 4.8 L and 5.3 L 1500 Series applications, the proper level is 1.0mm to 19.0mm (0.04 in to 0.7 in) below the bottom of the fill hole, located on the rear axle. Add only enough fluid to reach the proper level.
• For all 6.0 L and 6.2 L 1500 Series applications, the proper level is from 15mm to 40mm (0.6 in to 1.6 in) below the bottom of the fill plug hole, located on the rear axle. Add only enough fluid to reach the proper level.
• For all 6.0 L 2500HD Series applications, the proper level is from 0mm to 13mm (0 to 0.5 in) below the bottom of the fill plug hole, located on the rear axle.
Add only enough fluid to reach the proper level.
• For all 6.6 L Duramax Diesel 2500HD Series applications and all 3500 Series applications, the proper level is from 17mm to 21mm (0.6 in to 0.8 in) below the bottom of the fill plug hole, located on the rear axle. Add only enough fluid to reach the proper level.
See also:
Turning the System On and Off
The system can be disabled through the Driver Information Center (DIC).
See “Park Assist” under Vehicle Personalization (With DIC Buttons) on page 5‑46 for more information.
URPA defaults ...
Pulling a Trailer
Here are some important points:
• There are many laws, including speed limit restrictions that apply to trailering. Check for legal requirements.
• Consider using sway control.
See Towing Equip ...
Storing a Flat or Spare Tire and Tools
WARNING
Storing a jack, a tire, or other equipment in the passenger compartment of the
vehicle could cause injury. In a sudden stop or collision, loose equipment could
strike someone. Store all t ...