SKM Motor Vehicle Mechanic L2 case studies
SKM Motor Vehicle Mechanic L2 · Put your knowledge to work in context.
The SKM Motor Vehicle Mechanic Level 2 (Sijil Kemahiran Malaysia Tahap 2 Mekanik Kenderaan Motor) is a Malaysian national skills qualification for people who service and repair light vehicles under supervision or at entry level in a workshop. It suits school leavers entering the trade, apprentices in service centres, and experienced helpers who want their practical skills formally recognised through the national skills certification system. The SKM Motor Vehicle Mechanic L2 case studies are 5 cases and about 4,374 words.
1Compressed Air, a Trolley Jack and a Dust Cloud: The Rear Brake Job
A 2013 2.4 L diesel pickup is booked in for rear brake shoes and a leaking wheel cylinder. The workshop has three bays.
891 words, about 4 min2The Micrometer That Reads Twenty Thousandths Low
A 4-cylinder petrol engine is stripped for a bearing knock and the crankshaft is on the bench for measurement. The manual gives main journal diameter 52.000–52.020 mm, maximum out-of-round 0.020 mm and maximum taper 0.020 mm.
790 words, about 4 min3Coolant Loss, Bubbles and a Customer Who Wants Stop-Leak
A 1.6 L petrol car with 92,000 km comes in with the complaint that the coolant level drops about 0.5 L every 300 km, with no puddle under the car. The owner reports sweet-smelling white smoke for the first minute after a cold start, the heater blowing cold at idle, and the temperature gauge climbing in stationary traffic before dropping once the car is moving.
889 words, about 4 min4A Battery That Goes Flat Overnight: Reading a Parasitic Drain Test
A 2016 1.5 L hatchback arrives with a battery that went flat twice in one week. A 60 Ah battery was fitted three weeks ago by another workshop, and the alternator was replaced at the same time.
862 words, about 4 min5Below-Minimum Discs, a Customer in a Hurry and a Fluid Refusal
A 2018 seven-seat MPV with 68,000 km comes in with the steering wheel shaking when the brakes are applied from about 100 km/h, worse after a long downhill descent. On the hoist: front pads 3 mm; front discs measure 24.4 mm with a micrometer at eight points, and the minimum thickness stamped on the disc hat is 26.0 mm; disc lateral runout is 0.09 mm; hub-face runout is 0.04 mm with the disc removed; disc thickness variation is 0.025 mm.
942 words, about 5 min