What Causes the Sizzling Sound When Starting a Car?

[ORyder]

Reasons for the sizzling sound when starting a car: loose or aged belts, or possibly a malfunctioning starter. When starting the engine, the starter's gear engages with the ring gear on the engine's flywheel, causing the starter to rotate and drive the engine's flywheel. The engine flywheel is connected to the crankshaft, which is linked to the connecting rod, and the connecting rod is connected to the engine's piston. Many peripheral devices around the car engine require operation, such as the alternator, air conditioning compressor, water pump, power steering pump, etc. These devices are connected to the engine's crankshaft via belts and can operate once the engine starts. Belts are rubber products, which can age and wear out over time with prolonged use.