Common fault causes and maintenance methods for automobile front axle
The front axle of the car is part of the front axle, including shock absorber springs, steering gears, balance shafts, etc. If the front axle of the car is not well maintained, it is more likely to cause some malfunctions. The following is a small series for everyone to talk about the common faults and causes of automobile front axle solutions, I hope to help everyone.
1. the bridge assembly is abnormal, fever
(1) Abnormal noise after damage to the front axle steering bearing, steering knuckle bushing, etc.
Disposal: Replace the front axle steering bearing, bushing, etc. Shandong Jinsida vertical shaft disassembly press can be used for replacement work.
(2) Long-term use, fatigue damage or traffic accidents cause the bridge to deform and become abnormal.
Handling: Replace the axle housing or bridge assembly to scrap
(3) A partial damage or loose connection causes abnormal noise and heat.
Disposal: Disassemble, replace the damaged parts and tighten the connection.
2. the brake is weak
(1) The brake shoe friction plate and the brake drum have a large gap, and the inner surface of the brake drum is severely cracked, the friction plate is aging, cracked, peeled off, oily, etc., and the brake is weak.
Disposal: Replace the friction plate and brake drum to adjust the brake clearance.
(2) The brake adjustment arm fails or the axial clearance is too large, and the brake chamber push rod is short. Then the brake is weak.
Remedy: Adjust or replace the brake gap adjustment arm to adjust the brake chamber push rod.
(3) Other reasons. If the brake air pressure is insufficient, the brake pedal free travel is too large, the brake master valve or other brake valve parts are improperly adjusted or damaged, and the gas pipeline leaks, etc., can cause the brake to be poor or the brake is weak.
Handling: Identify the causes and eliminate hidden dangers.
3. brake deviation or unilateral brake
(1) A brake drum is out of round, and the brake lining and the brake drum are in poor contact, and the brake is biased.
Handling: Replace the brake drum
(2) The left/right brake friction discs are of different materials, and the brake shoes on both sides are in contact with the brake drum. The gap between the brake shoes and the brake drum on both sides is different, causing the brake to run off.
Handling: Repair, adjustment or replacement.
(3) A brake camshaft is stuck and the movement is not flexible, resulting in one-side braking.
Processing: Adjusting the camshaft
(4) The wheel springs of each wheel brake return force are too different, and the brakes are biased.
Handling: Replace the brake return spring
(5) The gap between the two brake shoes friction plates and the brake drum on the same side is too large, and even only a single friction plate is in contact with the brake drum, resulting in a small contact area and a brake deviation when braking on the side.
Treatment: Adjust the brake shoe friction plate and brake drum clearance
(6) A brake clearance adjustment arm fails, causing the brake to run off.
Handling: Adjust or replace the brake gap adjustment arm
(7) Other reasons. If the air chamber push rod is bent and deformed, the air chamber is damaged, the gas line or the brake valve member is leaking, and a traffic accident, etc., all of which can cause a single side brake or a brake deviation.
Handling: Identify the causes and eliminate hidden dangers.
(8) During maintenance, only the single-sided brake drum is smashed, and the brake clearance is improperly adjusted, resulting in one-side braking.
Treatment: Adjust the brake shoe friction plate and brake drum clearance
The above is about the common causes and solutions for the front axle of the car. I hope that everyone can understand the common causes and solutions of the front axle of the car.