For service and parts needs, visit
your dealer. You will receive
genuine GM parts and GM-trained
and supported service people.
Genuine GM parts have one of
these marks:
California Proposition
65 War
Warning:
It can be dangerous to work on
your vehicle if you do not have
the proper knowledge, service
manual, tools, or parts. Always
follow owner's manual procedures
and consult the service manual
fo
Fuel System Overview
The fuel system is an electronic returnless on-demand design. The returnless
fuel system reduces the
internal temperature of the fuel tank by not returning hot fuel from the engine
to the fuel tank. Reducing
the internal temperature of the fuel tank results in lower evaporativ
NOTE: This procedure is not used in Europe.
Special Tools
EN-43953 Ring Compressor - 86 mm
EN-43966 Connecting Rod Guides
EN 45059 Angle Meter
For equivalent regional tools, refer to Special Tools.
1.
Ensure the piston ring end gaps are positioned 90 degrees to each other.
Upper compression