NCT Manual. - National Car Testing Service

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50 NATIONAL CAR TEST (NCT) MANUAL 2012 FUEL SYSTEM Method of Testing ITEM Fuel Tank, Fuel Filter Systems and Fuel Lines Throttle Control Excess Fuel Device Engine Stop Control (on diesel engine vehicles) Air Filter Assembly REASONS FOR FAILURE 1 Incorrectly or loosely mounted or damaged. 2 Advanced rust in fuel tank (see page 58). 3 Leaks. 4 Unsuitable fuel tank. 5 LPG/CNG tank fitted inside vehicle without being sub- compartmented or without having valves piped to the outside. 6 LPG/CNG venting or ducting pipes damaged or blocked. 7 Sub-compartment obviously not gas tight where valves are not piped to the outside. 8 Fuel tank fitted to roof. 9 Manual or solenoid valves not operating. 10 Possibility of fuel lines being crushed, chafed, ruptured or subject to excessive vibration. 11 No fuel cap or fuel cap seal damaged or missing. 12 Sticking, binding or excessively worn. 13 Link pins, retaining devices or safety devices missing. 14 Cracked or fractured mounting bracket or panel. 15 Gives off excessive smoke if operated from within the cab after the engine has been started. 16 Not working or missing. 17 Air filter assembly insecure, missing or incomplete. Note: If a vehicle is presented with a Nitrous Oxide (NO 2 ) injection system fitted, it should be failed under Reason For Failure (4) above. 80
NATIONAL CAR TEST (NCT) MANUAL 2012 51 BRAKE WHEEL UNITS Method of Testing Examine each brake operating wheel unit for security, leaks, corrosion or damage. By applying the brakes check each brake operating unit for leaks and, where possible, operation. Check that all appropriate items e.g. fixing nuts, bolts and split pins are secure and locked. NOTES 1. The vehicle wheels should be chocked during this test and the parking brake should be released. ITEM Hydraulic Brake Unit REASONS FOR FAILURE 1 Insecurely mounted. 2 Leaking. 3 Sluggish in operation or seized. 81
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2 EXHAUST SMOKE (DIESEL) NATIONAL C
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8 HORN NATIONAL CAR TEST (NCT) MANU
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10 GLASS NATIONAL CAR TEST (NCT) MA
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10 GLASS Schedule 1 Country in whic
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10 GLASS NATIONAL CAR TEST (NCT) MA
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Page 30 and 31: 14 STEERING WHEEL PLAY NATIONAL CAR
Page 32 and 33: 16 NATIONAL CAR TEST (NCT) MANUAL 2
Page 38 and 39: 21 SERVICE BRAKE PERFORMANCE NATION
Page 42 and 43: 25 TOWING BRACKET/COUPLING NATIONAL
Page 44 and 45: 27 REAR LAMPS NATIONAL CAR TEST (NC
Page 48 and 49: 31 HEADLAMP AIM NATIONAL CAR TEST (
Page 52 and 53: 32 AUXILIARY LAMP CONDITION AND POS
Page 54 and 55: 33 AUXILIARY LAMP AIM NATIONAL CAR
Page 56 and 57: 35 BODYWORK NATIONAL CAR TEST (NCT)
Page 58 and 59: 35 BODYWORK NATIONAL CAR TEST (NCT)
Page 64 and 65: 39 WHEELS NATIONAL CAR TEST (NCT) M
Page 68 and 69: 42 CHASSIS/UNDERBODY NATIONAL CAR T
Page 70 and 71: 43 STEERING LINKAGE NATIONAL CAR TE
Page 74 and 75: 46 FRONT SUSPENSION NATIONAL CAR TE
Page 76 and 77: 47 BRAKE LINES/HOSES NATIONAL CAR T
Page 78 and 79: 49 ELECTRICAL SYSTEM NATIONAL CAR T
Page 84 and 85: 54 EXHAUST SYSTEM/NOISE NATIONAL CA
Page 86 and 87: 56 REAR SPRINGS NATIONAL CAR TEST (
Page 88 and 89: 57 TRANSMISSION & DRIVE TRAIN NATIO
Page 90 and 91: 59 REVERSE LAMP(S) NATIONAL CAR TES
Page 92 and 93: 61 REGISTRATION PLATE LAMPS NATIONA
Page 94: 94 NATIONAL CAR TEST (NCT) MANUAL 2
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