Chevrolet Low Cab Forward 6.7L 2022 Owner's Manual page 267

266 Service and Maintenance
No. Service Interval
39 Function of leveling valve
40 Loose or damaged torque rod
Loose or damaged traverse rod
41
(8)
(9)
42 Wheel nut torque
43 King pin
44 Wheel hub bearing oil - Front
45 Air conditioner blower filter
46 Exhaust injector
47 DEF tank filter element
48 DEF quality sensor
49 DEF tank cap
50 Starter
51 Rear spring slip pad
52 Function of brake valves
x1,000 km 16 32 48
x1,000 miles 10 20 30
- I
(8) - I
- I
T T
- L
I I
- -
- -
- R
I I
64 80 96 112 128
40 50 60 70 80
- I - I - I
- I - I - I
- I - I - I
T T T T T T
- L - L - L
R I I R I I
Cleaned once a month
- - - - - -
R - - R - -
- R - R - R
Every 48 000 km (30,000 mi) or 3 years: C or R
When the starter indicator light (amber) comes on: R
Cleaned every 8 000 km (5,000 miles)
I I I I I I
Service intervals
months or kilometers
144 160 176 (miles) whichever
90 100 110 occurs first
- I - or every 6 months
- I - or every 6 months
- I - or every 6 months
T T T
- L - or every 6 months
or every time hubs
R I I
are removed
or every time hubs
- - I
are removed
R - - or every 3 years
- R - or every 2 years
or every 12 months
I I I or every 12 months
(1)