If your truck has a dual air brake system and one of the systems is low on pressure:
A. The manual slack adjusters on the s-cam brakes are not set properly.
B. The brake drums will not be fully operational.
C. Either the front or rear brakes will not be fully functional.
Answer: C. Either the front or rear brakes will not be fully functional.
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.