4.3.1. Removal, dismantling, check and installation of a back damping rack

Fig. 4.42. Damping rack of a back suspension bracket



Removal
Remove back wheels.
Remove the safety cover located in a luggage carrier.
Disconnect a brake hose and a wire of the sensor of frequency of rotation of a wheel from a back rack of a suspension bracket.
Remove stabilizer racks.

Fig. 4.43. Bolts of fastening of a back rack of a suspension bracket


Turn off two bolts of fastening of a back rack of a suspension bracket to a fist of a back wheel (fig. 4.43).

ATTENTION
Be careful, do not drop a back rack.

Remove a back rack assembled from the car.

Dismantling

Fig. 4.44. Compression of a spring of the shock-absorber


By means of the special tool (J38402, A-20 and A-50) squeeze a rack spring so that impact on cups of a spring was minimum (fig. 4.44).

NOTE
Do not apply a pneumatic tool (shock гайковерт).

Turn off самоконтрящуюся a nut on the top end of a rod of the shock-absorber.
Remove the damping rack support, the top cup of a spring, a spring and a protective cover from a rack assembled.

Check
Check the damping rack support for lack of wear or damage.
Check rubber details for absence of damage or deteriorations in technical condition.
Check a spring and a rack assembled for lack of wear or deformation (a flash and decrease in rigidity).

Fig. 4.45. Check of the shock-absorber


Check the shock-absorber for lack of abnormal resistance to movement of a rod and extraneous noise (fig. 4.45).

Assembly

Fig. 4.46. Installation of the lower pro-rate of a spring


Establish the lower pro-rate of a spring so that ledges on it were combined with openings in lower cups of a spring (fig. 4.46).
Install a protective cover on the shock-absorber.

Fig. 4.47. Compression of a spring


By means of the special tool (J38402, A-42) squeeze a spring (fig. 4.47).
Put forward a shock-absorber rod against the stop, install the top cup of a spring and a dempfiruyuushchy support of a rack assembled.

Fig. 4.48. Combination of a flat part of a D-shaped opening of the top cup of a spring



NOTE
Combine a flat part of a D-shaped opening of the top cup of a spring from a lyskoa of a bezrezjbovy part of a rod of the shock-absorber (fig. 4.48).


Fig. 4.49. Combination of the top and lower rounds of a spring


Combine the top and lower rounds of a spring with the corresponding dredging on the top and lower cups of a spring of a rack, then temporarily tighten самоконтрящуюся a nut (fig. 4.49).

ATTENTION
Replace самоконтрящуюся a nut new after removal.


Fig. 4.50. Raspolozheniyedempfiruyuushchy support of a rack


At installation arrange a dempfiruyuushchy support of a rack so that its bolt was combined with a ledge of the top cup of a spring, as shown in the figure 4.50.
Remove special the tool (J38402, A-20 and A-50).
Tighten самоконтрящуюся a nut the nominal moment of 40-55 N · m.