The M.O.T. Inspection Manual Issue Date 01 January 2012 LastPage                     NextPage                     Contents                     Back                     Forward                     Home                      Information Method of Inspection Reason for Rejection This inspection applies to all types of braking system. Repairs to the pressure lines of hydraulic brake systems are unacceptable unless suitable connectors are used.  Compression joints of a type using separate ferrules are not suitable. A. All Braking Systems   1. Check for leaks in any part of the braking system with and without the brakes being applied. 2. Check all components for security, condition and operation. Note: It is not always possible to determine the presence and effectiveness of certain types of locking devices e.g. locking fluid or ‘nyloc’ nuts.   3. Check all braking system components for any inappropriate repair or modification. 1. A leak in any part of a braking system. 2. A braking system component: a. insecurely mounted b. excessively weakened by corrosion c. damaged to the extent that its function is impaired d. retaining or locking device missing or insecure. 3. A braking system component inappropriately repaired or modified. 3.6 Braking Systems and Additional Braking Devices