MOT Vehicle Test Procedures New Taxi Licensing Service from 1 March 2013

Vehicle test procedures - Stage 3

The third stage of your vehicle MOT test starts with the shock absorber test. The examiner will drive your vehicle forward to this area - you are required to wear your seat belt whilst you are in the passenger seat.

Brake test

At this stage you will be sitting beside the examiner as the brake test is carried out. There may be a slight jerk when the car wheels are placed in the brake rollers and when the brakes are applied therefore it is essential that you wear your seat belt.

Interior inspection

At this stage the driverís compartment will be inspected, which will include: • parking brake lever mechanism (hand brake)
• service brake control
• speedometer
• disabled driver control if applicable
• driver controls
• steering control
• vehicle warning lights including, anti-lock braking system, electronic braking system, electronic power steering, electronic stability control, electronic park brake, brake fluid warning lamp, tyre pressure monitoring system, air bag, seat belt pretensioner and seat belt load limiter
• vehicle tell-tale lights including, hazard lamps, head lamp main beam, direction indicators and rear fog lamps
Brakes testing criteria

Any one of the following points in relation to brake performance will result in a vehicle being refused a certificate: • low braking effort recorded from the brake on any wheel, indicating clearly that the brake is not functioning correctly
• significant braking effort recorded on roadwheels, even though the brake is not applied, indicating that a brake is binding
• evidence of severe brake grabbing or judder as the service brake (foot brake) is applied
• the service braking efforts at the roadwheels do not increase at about the same rate when the service brake pedal is applied gradually
• the service braking efforts at the roadwheels do not reduce at about the same rate when the service brake pedal is released gradually
• the out-of-balance of the service brakes on any axle, greater than 30 per cent
• the service brake efficiency is below 50 per cent (58 per cent for cars first used on or after 1 January 2012)
• the parking brake (hand brake) efficiency is below 16 per cent
When the brake test is complete the examiner will drive forward and stop in front of the hoist. They will then ask you to take a seat in the waiting area where you can watch the rest of the test being carried out. Please remain here until the examiner has completed the inspection and called you forward

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