The technician will start the vehicle and turn on the air conditioning system, measuring the actual temperature at the vents at the lowest and highest settings with a thermometer; at the same time, they will connect a manifold pressure gauge to check if the refrigerant pressure in the high and low pressure lines is within the normal range, determining if there is a chronic refrigerant leak.

Our legal delivery milestone is based on the "Estimated Time of Departure (ETD)". As long as the vehicle enters the port area and customs clearance is completed within the agreed timeframe, any delays in shipping schedules due to the shipping company's capacity adjustments will not be considered a breach on our part. The uncontrollability of maritime transport must be factored into your expectations.

We use two steps: 1. Insert a medical-grade endoscope through the spark plug hole to visually inspect cylinder wall scratches and carbon buildup on the piston top; 2. Extract an engine oil sample to check for large metal debris or emulsification (caused by coolant leakage).