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What are the common noises and faults of brake pads?2025-03-20 14:57:15
1. High-frequency squealingHigh-frequency sounds sound sharp. When the brake disc and brake pad vibrate at the same frequency, they resonate and produce squealing sounds.Check the caliper: whether the guide rail is lubricated and smooth, and whether the piston oil seal is damaged.Check whether all a...
What is the difference between ASR and ABS?2025-03-20 11:28:40
ASR-Acceleration Slip RegulationAcceleration Slip Regulation prevents the driving wheels of vehicles, especially high-powered vehicles, from slipping when starting and re-accelerating, so as to maintain the stability of the vehicle's driving direction. The difference between ASR and ABS is that...
Do you know what "Knocking" is?2025-03-20 10:42:37
What is knock?What is shock?In a gasoline engine, when the mixture (air and fuel fully mixed) enters the combustion chamber during the intake stroke, the piston compresses it during the compression stroke. After the spark plug ignites the high-pressure mixture, the pressure generated by the combusti...
What are the main performance features of ZF commercial vehicle automatic transmissions that you know?2025-03-04 17:01:59
1. Engine output torque can reach up to 2 000 Nm2. New hydraulic torque converter with torsional vibration damper3. New front hydraulic retarder, braking torque can reach 2 650 Nm4. New cooling system (2 heat exchangers) can make the oil pan oil temperature reach 120°C5. New integrated control modu...
How to tell whether the Sachs shock absorber you purchased is genuine or fake?2025-01-16 17:23:20
1.Ordinary cylinder shock absorberThere is a set of steel stamped logos on the lower part of the dust cover, as shown in Figure 3-12.Air spring shock absorber1) The lower end of the air spring piston body is affixed with a Sachs product information label, as shown in Figure 3-22) The air spring lug...
Do you know how to install and remove air springs?2025-01-16 16:57:08
The air spring shock absorber is mainly installed on the cab suspension. The operating rules and precautions are as follows:1.The upper and lower connectors must be tightened with a torque wrench according to the specified torque!2.Non-quick-plug air nozzle connector: The allowable tightening torque...
What are the causes of shock absorber leakage?2025-01-16 16:35:02
Shock absorber leakage mainly refers to the air spring shock absorber with airbag structure. The main reasons for leakage include:1) The airbag interferes with the vehicle wiring harness and the airbag is worn;2) The installation position of the air spring interferes with other metal accessories and...
What are the mechanical damages that can occur to Sachs commercial vehicle shock absorbers?2025-01-16 16:20:02
Mechanical damage to Sachs commercial vehicle shock absorbers includes:1) Connecting rod damage (connecting rod cannot move, connecting rod is pulled out of the outer tube, connecting rod is broken);2) Outer tube damage (outer tube is dented, skewed); Dust cover damage (dust cover is dented, deforme...
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