How to Replace the Engine of a Toyota Crown?

2 Answers
MacAlexander
07/29/25 3:15am
Toyota Crown engine replacement requires applying for a change of registration at the local vehicle management office where the car is registered. After replacement, the new engine number must be reported to the vehicle management office. The engine replacement should be performed by professionals at a repair shop. An engine is a machine that converts other forms of energy into mechanical energy, including internal combustion engines (reciprocating piston engines), external combustion engines (Stirling engines, steam engines, etc.), jet engines, and electric motors. Precautions for using a car engine are as follows: 1. Avoid driving in neutral gear. The engine itself has a fuel cut-off function during deceleration, and driving in neutral is not conducive to fuel economy. 2. Pay attention to observation during daily use. If oil is found on the ground, determine whether there is an engine oil leak and communicate with the car 4S store in time to eliminate potential safety hazards. 3. For cars equipped with turbochargers, do not turn off the engine immediately after high-speed driving or climbing. Let the engine idle for 10 minutes before turning it off. Cars with turbochargers form carbon deposits several times faster than naturally aspirated cars. 4. When brake fluid is mixed with or absorbs water, or when impurities or sediments are found in the brake fluid, it should be replaced or carefully filtered in time. Otherwise, it will cause insufficient braking pressure and affect the braking effect.
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RicardoMarie
08/12/25 7:07am
I've been repairing cars for many years, and replacing a Crown engine requires a systematic approach. First, park the car on level ground and engage the handbrake, then disconnect the battery's negative terminal to prevent short circuits—safety comes first. Next, remove all connected components, such as the intake pipe, radiator hoses, and electrical connectors, remembering to label them for easier reassembly. Then, use an engine hoist to slowly lift out the old engine, being careful not to damage the body or transmission. When positioning the new engine, the key is to accurately align the mounting bracket bolts and tighten them to specification using a torque wrench. After reconnecting all wiring and fuel lines, add new engine oil and coolant, then start the engine for testing—let it idle to check for oil leaks or unusual noises. Professional socket sets and hoists are essential tools, and beginners are advised to work with experienced partners to avoid mistakes. The entire process takes about half a day, but details determine success—for example, improperly replaced seals can lead to leaks. Regular maintenance can extend engine life and prevent unnecessary hassle.
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