12-4 In an emergency
The vehicle lacks power
The clutch disengages incompletely
Braking is difficult <COE 40, 45>
Braking is difficult <COE 50>
The vehicle pulls to one side during braking
Possible cause Remedy Ref. page
The parking brake is applied. Release the parking brake completely. 5-17
The air cleaner is clogged. Clean or replace the air cleaner element. 11-31
The fuel filter is clogged. Replace the fuel filter element. 11-29
Air is present in the fuel system. Bleed the fuel system. 12-23
The clutch disc is worn. Bring the vehicle to an authorized Sterling
service facility.
–
The radiator is damaged or dirty. Clean the front of the radiator. 11-37
Possible cause Remedy Ref. page
The clutch fluid level is too low. Add clutch fluid (DOT 3 brake fluid). 11-25
Clutch pedal play is excessive. Adjust the clutch pedal. 11-45
Possible cause Remedy Ref. page
Vacuum is insufficient. Increase the engine speed to boost vacuum. 6-8
The brake fluid level is too low. Add brake fluid. 11-25
There is a vacuum leak. Check the vacuum circuit and retighten con-
nections as necessary.
6-8
The disc brake pads or drum brake linings are
worn.
Bring the vehicle to an authorized Sterling
service facility.
–
There is air in the brake fluid. Bring the vehicle to an authorized Sterling
service facility.
–
Possible cause Remedy Ref. page
The brake fluid level is too low. Add brake fluid. 11-25
Power steering system fluid pressure is insuffi-
cient.
Bring the vehicle to an authorized Sterling
service facility.
–
There is a leak in the power steering system. Bring the vehicle to an authorized Sterling
service facility.
–
The power steering fluid level is too low. Add power steering fluid. 11-26
The disc brake pads or drum brake linings are
worn.
Bring the vehicle to an authorized Sterling
service facility.
–
There is air in the brake fluid. Bring the vehicle to an authorized Sterling
service facility.
–
Possible cause Remedy Ref. page
The tires are not uniformly inflated. Inflate the tires properly. 7-15
The tires are unevenly worn. Change the tires. 11-26
The cargo is overloaded to one side. Load the cargo evenly. 11-51
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