Place of Origin:
China
Brand Name:
HDPARTS
Model Number:
6HK1 4HK1
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Specification
| Applicable models | 6HK1 4HK1 |
| Type | Cylinder liner |
| Original number | 1-87618212-0 8-94391-602-0 8-94391603-0 8-94391602-1 |
| Warranty | 6 months |
| Engine Type | Diesel |
| Brand Name | HDPARTS |
| Condition | New |
| Size | OEM Size |
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The main reasons for cylinder knocking are: Poor fuel combustion |
Low fuel injection pressure, fuel injector dripping, poor fuel atomization, and delayed fuel supply can all cause poor fuel combustion and cause cylinder knocking. The knocking sound caused by this type of malfunction is low and hoarse, accompanied by engine overheating, black smoke, or exhaust pipe blasting, spraying fire, and other phenomena. The fuel injector should be removed for inspection and adjustment, and the fuel supply time should be adjusted. If necessary, new parts should be replaced to ensure compliance with regulations. |
| Wear of oil outlet valve | After the wear of the oil outlet valve, on the one hand, the clearance between the pressure reducing ring and the inner hole of the valve seat becomes larger, the sealing becomes worse, and the pressure reducing effect becomes worse; On the other hand, the remaining pressure in the high-pressure fuel pipe is too high, causing an increase in fuel supply, causing fuel detonation and knocking the cylinder. The knocking sound is particularly noticeable when the throttle is reduced. |
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