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What are the main contents of the secondary maintenance of a car?

1 Answers

ReedLee

07/30/25 6:32am

The main contents of the secondary maintenance of a car are: 1. Replace the oil in the oil pan, and clean the oil pan, oil pump, and oil collector with kerosene; 2. Check and adjust the valve clearance; 3. Tighten the bolts of the cylinder head, intake and exhaust manifolds, and muffler, and check whether the gaskets of the above parts are intact; 4. Check the clutch and adjust the free travel of the clutch pedal as needed; 5. Check the fastening condition of each part of the transmission and gear shifting mechanism. The secondary maintenance of a car, in addition to the primary maintenance operations, mainly involves checking and adjusting safety parts that are prone to wear or deformation after a certain period of use, such as steering knuckles, steering rocker arms, brake shoes, suspension, etc., as well as disassembling and inspecting tires, performing tire rotation, checking and adjusting the working condition of the engine and exhaust pollution control devices, etc. These maintenance operations are performed by maintenance companies.

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