Free Detection Items
| Electrical System | low-beam and full-beam headlight, stoplight, foglight |
| Steering System | whether the clearance, dust-proof gum cover and steering wheel position are normal. |
| Brake System | brake pedal travel, brake pad thickness, parking brake travel |
| Wheel | bearing clearance, fastening, degree of wear |
| Leakproofness | engine, gearbox, transfer case, brake pipe, cooling system |
| Parking Brake Travel | Detection on underpan: whether the damper is oil leaking; whether the rubber sleeves are aging; whether the exhaust pipe is leaking. |
| Engine Accessories | aging conditions, fixing position and service life |
| All The Oil | Oil in engine and gearbox, fuel oil, brake oil, cooling liquid, hydraulic oil |
