For heavy-duty trucks, the maintenance of diesel engine cylinder blocks is essential, which can extend the service life of the cylinder blocks.
(1) The cylinder gasket is not installed evenly on the joint surface of the cylinder block and the cylinder head.
(2) The cylinder head is warped and deformed, the cylinder block is too uneven and the cylinder head is loosened, resulting in a leaky seal.
(3) Improper driving operation method, accustomed to violently increasing the accelerator, rapid acceleration, and high-speed running. Excessive pressure aggravates the broken of the cylinder gasket.
(4) Cylinder gaskets are of poor quality and uneven thickness; there are air bubbles in the mouth of the bag, uneven laying of asbestos or not tight hemming, etc.