How to Pass the Inspection Line for 4WD Vehicle Annual Inspection?
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Methods for passing the inspection line during the annual inspection of a 4WD vehicle: 1. Currently, full-time 4WD vehicles can undergo inspection at some testing stations. For emission testing, full-time 4WD vehicles can use the dual idle speed method; 2. There is no need to use a chassis dynamometer for gear testing. Simply press the accelerator in neutral as required to obtain the emission data; 3. Similarly, safety technical inspections can now measure braking force and other data using a flatbed inspection line. The flatbed brake testing platform is not a traditional roller brake tester but consists of four brake plates. During testing, the four wheels stop on the brake plates at a speed of five kilometers per hour, allowing the brake plates to calculate the braking force of each wheel, which also meets the dynamic braking force requirements under real driving conditions.