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What is the installation method for a car preheater?

1 Answers

DakotaDella

07/30/25 7:28am

Below is the installation method for a car preheater: 1. First, determine the fixed position of the preheater, ensuring it is at least 20-40 cm lower than the water tank cap. 2. Identify the series connection positions: the engine drain hole, the heater hose, and the small circulation pipe. 3. Select and confirm the installation method, then cut the heater hose. 4. Connect the preheater's water inlet to the lower cut hose and tighten it securely. 5. Slowly add antifreeze until it flows out from the preheater's water outlet. 6. Connect the preheater's water outlet to the cut hose and tighten the hose securely. 7. Fill the antifreeze to the standard level and check for any leaks. 8. Start the car engine to completely expel air from the pipes, then top up the antifreeze to the standard level. 9. Connect to a 220V power supply for testing. The power indicator light will be red, and the working light will be green. Both lights will turn on simultaneously when the power is connected. The preheater will vibrate slightly, and the heating chamber housing will become slightly warm. When the engine reaches the starting temperature of 40-50 degrees, the green light will turn off, indicating the preheating is complete.

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