5.1.4. Possible malfunctions of a forward suspension bracket, their reason and methods of elimination


Cause of defect
Elimination method
Noise and knock in a suspension bracket at the movement of the car
1. Shock-absorbers are faulty
1. Replace or repair shock-absorbers
2. The bolts fixing a bar of the stabilizer of cross stability weakened
2. Tighten bolts and nuts of fastening
bars; at wear of rubber pillows replace them
3. Wear of rubber-metal hinges of levers
3. Replace hinges
4. Fastening of shock-absorbers weakened
or rubber plugs of eyes of shock-absorbers wore out
4. Tighten bolts and nuts of fastening, replace plugs in a shock-absorber eye
5. Wear of spherical hinges of levers
5. Replace spherical hinges
6. The raised gap in bearings
wheels
6. Adjust a gap or replace
bearings
7. Big imbalance of wheels
7. Balance wheels
8. Deformation of disks of wheels
8. Replace disks
9. Draft or breakage of a spring
9. Replace a spring
10. Wear of rubber plugs of bars of a back suspension bracket
10. Replace plugs
11. Knock from "breakdown" of a suspension bracket owing to destruction of buffers of compression
11. Replace the damaged buffers
12. Frequent "breakdowns" of a back suspension bracket
because of an overload of a back axis
12. Unload a back part of the car
The angles of installation of forward wheels do not give in to adjustment
1. Deformation of an axis of the lower lever
to zone of forward bolts of fastening of axes
2. Deformation of a cross-piece of a suspension bracket in
lower levers
1. Replace an axis
2. Repair or replace a cross-piece
3. Wear of rubber-metal hinges
3. Replace hinges
4. Deformation of a rotary fist, levers of a suspension bracket or elements of a front of a body
4. Replace the deformed details,
correct body front elements
Withdrawal of the car from the rectilinear movement
1. Different pressure of air in tires
1. Establish normal pressure in
tires
2. Violation of angles of installation of lobbies
wheels
2. Adjust the angles of installation of wheels
3. The wrong gap in bearings
forward wheels
3. Adjust a gap
4. Are deformed a rotary fist
or suspension bracket levers
4. Replace the deformed details
5. Unequal elasticity of springs of a suspension bracket
5. Replace the spring which lost elasticity
6. Incomplete disinhibition of the brake mechanism of a wheel
6. Eliminate malfunction
7. A considerable difference in wear of tires
7. Replace worn-out tires
8. The raised imbalance of lobbies
wheels
8. Balance wheels
9. Shift of the back bridge because of deformation of bars of a back suspension bracket
9. Correct or replace bars
Self-exciting angular fluctuation of forward wheels
1. Air pressure in tires does not meet standard
1. Establish normal pressure in
tires
2. The increased gap in bearings
naves of wheels
2. Adjust a gap
3. Shock-absorbers do not work
3. Replace or repair shock-absorbers
4. Nuts of fastening of fingers of spherical hinges weakened
4. Check reliability of fastening
fingers of spherical hinges
5. Violation of angles of installation of lobbies
wheels
5. Adjust the angles of installation of wheels
6. Wear of rubber-metal hinges of axes of levers
6. Replace hinges
7. Big imbalance of wheels
7. Check and balance wheels
8. Wear of spherical hinges
8. Replace hinges
Frequent "breakdowns" of a suspension bracket
1. Draft of springs of a suspension bracket
1. Replace springs new
2. Shock-absorbers do not work
2. Replace or repair shock-absorbers
The increased gap in spherical hinges
1. Wear of the rubbing surfaces of details of the spherical hinge as a result of the pollution caused by leakage of a protective cover or its damage
1. Replace the spherical hinge and a protective cover
The increased gap in spherical hinges
1. Driving at a high speed on the uneven road
1. Choose speed depending on
states are expensive
2. Too sharp dispersals of the car
with pro-slipping of wheels
2. Avoid sharp dispersals
3. Frequent use of brakes with
blocking of wheels
3. Skillfully use brakes
4. The angles of installation of wheels are broken
4. Adjust corners
5. The raised gap in bearings
naves of wheels
5. Adjust a gap
6. Car overload
6. Do not exceed the permissible load specified in the maintenance instruction
7. The recommended scheme of shift of wheels was not carried out
7. Rearrange wheels according to the maintenance instruction
Squeal of tires on bends
1. Not normal pressure in tires
1. Bring pressure to norm
2. Wrong installation of corners of forward wheels
2. Establish corners
3. Are deformed a rotary fist,
suspension bracket levers, cross-piece or elements of a front of a body
3. Replace the deformed details,
correct body front elements
Uneven wear of a protector of tires
1. The increased speed on turns
1. Reduce speed
2. Big iznosa of hinges and plugs
suspension brackets
2. Repair a suspension bracket
3. Imbalance of wheels (emergence of spots,
evenly located on a circle, on extreme paths, and at long driving with not balanced wheel - and on the central path)
3. Balance wheels
4. Uneven braking of wheels
4. Adjust the brake system
5. Shock-absorbers do not work
5. Replace or repair shock-absorbers
6. The corner of disorder of wheels is broken (wear
protector on the one hand)
6. Adjust a corner of disorder of wheels
7. The lowered air pressure in tires (big wear at the edges of a protector)
7. Establish normal pressure
8. Elevated pressure of air in tires (big wear in an average zone
protector)
8. Establish normal pressure
9. The convergence of forward wheels is underestimated
(wear of internal paths of a protector)
9. Adjust a convergence of wheels
10. The convergence of forward wheels (wear of external paths of a protector) is increased
10. Adjust a convergence of wheels
Wheel beating
1. Violation of balancing of wheels:
a) uneven wear of a protector on
circles
b) shift of balancing small weights
and tires at installation
c) deformation of a rim
d) damage of tires

a) balance wheels or replace
b) balance wheels
c) correct a rim or replace new;
balance wheels
d) replace the tire and balance a wheel
2. The increased gap in bearings
naves of wheels
2. Adjust a gap
Dribble of liquid from the shock-absorber
1. Wear or destruction of an epiploon
rod
1. Replace an epiploon
2. Hit on sealing edges of an epiploon of strangers mechanical
particles
2. Wash out shock-absorber details, replace or filter liquid
3. Shrinkage or damage of a sealing ring of the tank
3. Replace a ring
4. Zaboina, risks, teases on a rod;
wear-out of a chromic covering
4. Replace the worn-out or damaged rod and an epiploon
5. Weakening of a nut of the tank
5. Tighten a nut
6. Damage of the tank to a zone
sealing ring
6. Replace or repair the tank
7. Excessive amount of liquid in the shock-absorber
7. Provide the required amount of liquid
Insufficient resistance of the shock-absorber at the return course
1. Leakage of the valve of return or perepuskny valve
1. Replace the damaged details of valves or eliminate their malfunctions
2. Breakage or a bedding in a flute of a piston ring
2. Replace a ring or eliminate its bedding in a flute
3. Insufficient amount of liquid because of leak
3. Replace the damaged details and fill in liquid
4. Teases on the piston or the cylinder
4. Replace the damaged details, replace liquid
5. Wear of an opening of the directing plug
5. Replace the directing plug
6. Liquid is polluted by mechanical impurity
6. Wash out all details, replace liquid
7. Return valve spring draft
7. Replace a spring
Insufficient resistance of the shock-absorber at the compression course
1. Leakage of the valve of compression
1. Replace the damaged details or eliminate their malfunctions
2. Insufficient amount of liquid from - for leaks
2. Replace the damaged details and fill in liquid
3. Wear of the directing plug and a rod
3. Replace worn-out details new
4. Liquid is polluted by mechanical impurity
4. Wash out all details, replace liquid
5. Wear or destruction of disks of the valve of compression
5. Replace disks
Knocks and scratches of shock-absorbers
1. Wear of rubber plugs in eyes
1. Replace plugs
2. Deformation of a casing as a result of blows
2. Replace or repair a casing
3. Insufficient amount of liquid because of leak
3. Replace the damaged details, fill in liquid
4. Weakening of nuts of the tank, piston
4. Tighten nuts
5. Jamming of a rod because of deformation of the cylinder, the tank or a rod
5. Replace or correct details
6. Weakening of nuts of fastening of shock-absorbers
6. Tighten nuts
7. Breakage of details of shock-absorbers
7. Replace the damaged details new