Chevrolet Low Cab Forward 6.0L Gasoline Engine 3500/4500 Series (GMNA-
Localizing-U.S.-12533400) - 2019 - CRC - 11/19/18
Driving and Operating
147
Symptom
Cause
Corrective Action
Reference
Engine is overheating
No engine coolant
Add engine coolant
See
Front of radiator is
clogged with dirt
Wash clean with tap
water
See
Radiator cap not
sufficiently tightened
Make sure it is firmly
tightened or replace the
radiator cap
-
Fan belt loose
Adjust the tension or
replace the belt
See
Engine coolant dirty
4
-
Fan clutch is faulty
4
-
Radiator cap dirty or
faulty
Clean or replace
-
Oil pressure is low
Improper engine oil
viscosity
Change to an oil with
proper viscosity
See
Engine oil level too low
Add engine oil
See
Engine inner
components are faulty
4
-
Meter, indicator/warning
lights or switches faulty
4
-