Specifications
If the latch handle does not close freely,
DO NOT tow the trailer until the cause
of the problem is located and corrected.
Forcing the latch handle closed will make
opening the latch handle extremely dicult.
Problem: Squeaking, clunking and clattering at the actuator.
Possible cause: Remedy:
The hitch ball requires lubrication. Lubricate with conventional multi-purpose lubricant
or commercial lubricant made for hitch balls.
Possible cause: Remedy:
Loose hitch ball. Inspect the hitch ball and tighten.
Possible cause: Remedy:
Loose hitch. Inspect the hitch and repair.
Possible cause: Remedy:
A worn or too small hitch ball. Replace the hitch ball with a quality unit that meets
SAE specifications.
Possible cause: Remedy:
Worn shock absorber Replace the shock absorber.
in the actuator.
Possible cause: Remedy:
Air in the brake lines allowing Check for leaks and re-bleed the brakes.
the actuator to travel too far.
Possible cause: Remedy:
Trailer is equipped with Clunking noise is typical for these types of brakes
“free backing brakes.” as long as braking performance is normal.
Problem: When braking, brakes repeatedly come on and release. Braking is not smooth,
a condition called “chucking.”
Possible cause: Remedy:
Worn out shock absorber Replace the shock absorber.
in actuator.
Possible cause: Remedy:
Loose hitch or hitch ball. Correct as necessary.
Possible cause: Remedy:
Not enough tongue weight or Correct as necessary.
shocks on tow vehicle are too soft.
Possible cause: Remedy:
Air in the brake lines. Bleed the brake lines.
Possible cause: Remedy:
Brakes out of adjustment. Adjust the brakes properly.
MasterCra Trailer Manual • Page 32