Chevrolet/GMC Silverado/Sierra Bi-Fuel (Gasoline/CNG) Supplement (GMNA-
Localizing-U.S/Canada-9234766) - 2016 - CRC - 8/13/15
Service and Maintenance
27
In addition, the CNG system
requires the following every
60 000 km (37,500 mi) or
36 months, whichever occurs first:
.
Visual inspection of the CNG
fuel tanks by a CSA
International-certified inspector
or authorized GM dealer. For
more information, see your
dealer or see:
http://www.csa-international.org
{
Warning
The CNG fuel system and tank(s)
must be inspected by a certified
inspector if the vehicle is involved
in a collision or fire.
The fuel tanks must be replaced
15 years after manufacture. The
expiration date of the fuel tanks
is on a label on the fuel tanks.
Have an authorized GM dealer
replace the fuel tanks. Do not
reuse old fuel tanks.
.
Replacement of the high
pressure CNG filter. See your
dealer.
.
If there are cuts or corrosion in
the flex line jacket, replace
the line.
