Chevrolet/GMC Express/Savana CNG Compressed Natural Gas Supplement
(GMNA-Localizing-U.S/Canada-9159237) - 2016 - crc - 6/22/15
20
Service and Maintenance
The flex lines must be inspected
yearly. If there are cuts or corrosion
in the jacket of the flex lines or if the
vehicle has been in an accident, the
flex lines must be replaced.
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 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 coalescent
filter. See your dealer.