Engine Compartment Overview
5.3 L V8 Engine Shown (4.3 L V6 Engine, 4.8 L V6 Engine, 6.0 L V8 Engine, and
6.2 L V8 Engine Similar)
A. Engine Air Cleaner/Filter on page 10‑17.
B. Coolant Surge Tank and Pressure Cap. See Cooling System on page 10‑19.
C. Positive (+) Terminal. See Jump Starting on page 10‑92.
D. Battery on page 10‑31.
E. Remote Negative (−) Terminal (Out of View). See Jump Starting on page
10‑92.
F. Automatic Transmission Dipstick (Out of View). See “Checking the Fluid Level”
under Automatic Transmission Fluid (4-Speed Transmission) on page 10‑11 or
Automatic Transmission Fluid (6-Speed Transmission) on page 10‑14.
G. Engine Oil Fill Cap. See “When to Add Engine Oil” under Engine Oil on page
10‑7.
H. Engine Oil Dipstick (Out of View). See “Checking Engine Oil” under Engine Oil
on page 10‑7.
I. Engine Cooling Fan (Out of View). See Cooling System on page 10‑19.
J. Power Steering Fluid Reservoir. See Power Steering Fluid on page 10‑27.
K. Brake Master Cylinder Reservoir. See Brake Fluid on page 10‑30.
L. Engine Compartment Fuse Block on page 10‑47.
M. Windshield Washer Fluid Reservoir. See “Adding Washer Fluid” under Washer
Fluid on page 10‑28.
If the vehicle has a diesel engine and/or an Allison Transmission, see the Duramax Diesel Supplement.
See also:
Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will
check the engine, transmission, antilock brakes, and major vehicle systems. It also
checks the tire pressures, if the v ...
Fuel System Messages
ECO MODE ON
On some models, this message displays when the fuel economy mode has been turned
on by pressing the eco button near the shift lever. See Fuel Economy Mode on page
9‑31 for more ...
Rear Doors (Extended Cab)
Rear Doors (Extended Cab)
To open a rear access door from the outside, first open the front door.
Then, use the handle located on the front edge of the rear access door to open it.
The rear acces ...