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How to Disassemble a BYD Fuel Pump?

2 Answers

Kate

07/24/25 9:36pm

BYD fuel pump disassembly method is as follows: 1. Lift the rear seat, gently pry the clip on the side of the wiring harness with a screwdriver, and remove the wiring harness connector. 2. Use a special tool for the pump cover to remove the sealing cover ring (also known as the fuel pump cover ring), then remove the fuel float rod and check the buoyancy of the float. 3. Remove the fuel pump chamber cover and take out the fuel level sensor and float arm together. 4. Remove the fuel pump core and reinstall the reassembled fuel pump assembly back into the vehicle. 5. After ignition, observe the fuel gauge to ensure it is functioning properly. Additional information: 1. A fuel pump is a lightweight and compact pump, categorized into three main types: in-line, distributor, and unit pumps. 2. The fuel pump requires a power source to operate; the camshaft at its lower part is driven by the engine crankshaft gear.

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Ramon

08/10/25 2:42pm

Disassembling a BYD fuel pump requires a step-by-step approach, something I've handled frequently during my auto repair work. First, ensure the vehicle is completely turned off and cooled down for an hour or two to prevent fire hazards from fuel residue. Prepare your tools: wrenches, screwdrivers, plastic pry bars, along with gloves and safety goggles. Typically, the BYD fuel pump is located inside the fuel tank, so start by opening the trunk, lifting the carpet to access the pump cover plate. After removing the cover, disconnect the power wires and fuel lines—this step is crucial; proceed slowly to avoid fuel spray. Then, use a pry bar or specialized tool to release the retaining clips, allowing the pump module to be extracted. Take your time throughout the process, as misalignment or part damage can lead to more severe failures. Having repaired numerous vehicles, I've noticed beginners often overlook pressure release, causing accidents, so consulting manuals or videos is advisable. Post-disassembly, meticulously inspect the sealing ring for wear—it's key to preventing fuel leaks.

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