Page 20 of 30

Chevrolet/GMC Express/Savana CNG Compressed Natural Gas Supplement
(GMNA-Localizing-U.S/Canada-9159237) - 2016 - crc - 6/22/15
Service and Maintenance 19
Service and
Maintenance
Maintenance Schedule
Maintenance Schedule . . . . . . . . 19
Maintenance Records
Natural Gas Vehicle (CNG)Service Records . . . . . . . . . . . . . . 21
Maintenance
Schedule
{Warning
The tank shields protect the CNG
tank in a crash and from road
hazards. Removal of the shields
may result in tank damage that
could result in a rupture or
possible explosion of the tank.
You or others could be injured or
even killed. If you must remove a
tank shield for any reason, e.g.,
tank inspection or vehicle repair,
always reinstall the shield before
operating the vehicle.
{Warning
Keeping a CNG fuel tank in
service after the tank service
expiration date is dangerous and
is prohibited by federal law. The
tank may no longer withstand the
(Continued)
Warning (Continued)
CNG fuel system operating
pressure. You could be severely
injured or killed. Take the vehicle
to an authorized GM dealer to
have the tank replaced.
See instructions on fuel
container for inspection and
service life.
This CNG vehicle is designed for
routine maintenance (fluids, filters,
etc.) according to the original
specifications as provided in the
owner manual for gasoline fuel
vehicles. See the owner manual for
maintenance service intervals and
fluid specifications.
See your dealer or other qualified
repair facility for required service
and maintenance. Your dealer has
the necessary training and parts to
repair the vehicle.
Page 23 of 30
Chevrolet/GMC Express/Savana CNG Compressed Natural Gas Supplement
(GMNA-Localizing-U.S/Canada-9159237) - 2016 - crc - 6/22/15
22 Service and Maintenance
CNG Fuel Tank Inspection Record
Tank Location:
Tank Serial Number:Tank Expiration Date:
Inspection Interval
(Mileage or Years) Inspection Date Inspector Inspector Initials Type of Repair
15 Years N/AN/AN/ATank Exchanged
Page 24 of 30
Chevrolet/GMC Express/Savana CNG Compressed Natural Gas Supplement
(GMNA-Localizing-U.S/Canada-9159237) - 2016 - crc - 6/22/15
Service and Maintenance 23
CNG Fuel Tank Inspection Record
Tank Location:
Tank Serial Number:Tank Expiration Date:
Inspection Interval
(Mileage or Years) Inspection Date Inspector Inspector Initials Type of Repair
15 Years N/AN/AN/ATank Exchanged
Page 25 of 30
Chevrolet/GMC Express/Savana CNG Compressed Natural Gas Supplement
(GMNA-Localizing-U.S/Canada-9159237) - 2016 - crc - 6/22/15
24 Service and Maintenance
CNG Fuel Tank Inspection Record
Tank Location:
Tank Serial Number:Tank Expiration Date:
Inspection Interval
(Mileage or Years) Inspection Date Inspector Inspector Initials Type of Repair
15 Years N/AN/AN/ATank Exchanged
Page 26 of 30
Chevrolet/GMC Express/Savana CNG Compressed Natural Gas Supplement
(GMNA-Localizing-U.S/Canada-9159237) - 2016 - crc - 6/22/15
Service and Maintenance 25
CNG Fuel Tank Inspection Record
Tank Location:
Tank Serial Number:Tank Expiration Date:
Inspection Interval
(Mileage or Years) Inspection Date Inspector Inspector Initials Type of Repair
15 Years N/AN/AN/ATank Exchanged