Chevrolet Low Cab Forward 2023 Manual page 267

266 Service and Maintenance
No. Service Interval
14 Engine coolant
(6)
15 Exhaust system
16 Diesel Particle Filter (DPF) (clean filter)
17 Fuel line system
18 Brake lining for wear
19 Brake drum for wear and damage
20 Brake line and hoses
21 Automatic transmission fluid
22 Automatic transmission filter
23 Differential gear oil
24 Power steering fluid
x1,000 km 16 32 48
x1,000 miles 10 20 30
I I
(6)
I I
I I
- -
- I
(4) I I
(4) - -
I I
64 80 96 112 128
40 50 60 70 80
Every 500 hours: I
Every 6,000 hours: R
(when dealer recommended coolant is used)
I I I I I I
Every 200,000 miles (320 000 km) or
6,500 hours: R
I I I I I I
I I I I I I
I - - I - -
- I - I - I
I I I I I I
- - R - - -
Every 16 000 km (10,000 mi): I
Every 288 000 km (180,000 mi) or
36 months: R
I I R I I I
Service intervals
months or kilometers
144 160 176 (miles) whichever
90 100 110 occurs first
I I I
I I I or every 12 months
I I I
I - - or every 12 months
- I - or every 12 months
240 000 km
I I I
(150,000 mi): R
or every 24 months
- R -
or 2,000 hours
I R I or every 24 months: R
(1)