Attention! To disassemble the front suspension strut, a compressor is required to compress the springs ("spring spreader"). Be careful even with a compressor - the spring is compressed with great force and can shoot.
1. After removing the rack, clean it of any dirt and clamp it with 8 vices with soft (aluminum or wood) sponges, only so as not to damage the lower spore of the rack.
2. Install the spring compressors and compress the spring so that the lower winding moves away from the support cup (pic. 4.2).
3. Loosen the nut on top of the post while holding the stem with a hex (pic. 4.3). If there is no bent ring wrench, you can use a high head with a side hole.
4. After unscrewing the nut, remove the upper support plate, washer and upper spring cup with support (pic. 4.4, a-g).
5. Remove the boot, rubber bumper and protective cap from the shock absorber rod. Carefully remove the spring along with the compressors and set aside (pic. 4.5, a, b).
6. Remove the lower spring seat (pic. 4.6). If necessary, the lower spring cup can be removed from the strut with gentle blows from a rubber mallet.
7. Check up absence of leaks of the shock-absorber. Check for wear or other damage to the stem along its entire length. Check for corrosion or other damage to the shock absorber body. Holding the shock absorber vertically, check the performance of the shock absorber by moving the rod up and down a full stroke, then short strokes of 50...100 mm. In both cases, the resistance to movement must be soft and continuous. If the stem moves unevenly or if damage is evident, a replacement is necessary.
Note: Shock absorbers are replaced in pairs on the same axle to maintain suspension performance.
8. Inspect all rack components and replace defective ones.
9. Install the lower spring cup, making sure that the hole in it is set at an angle of 90°to the axis of the lower rack mounting bolt.
10. Install the lower spring seat into the groove in the lower cup.
11. Put anther with a chipper on the strut shock absorber rod. Make sure the bottom edge of the dust boot is properly aligned with the base of the rack.
12. Install the compressed spring on the lower support cup. Make sure that the end of the lower coil of the spring rests on the protrusion on the spring support (pic. 4.12).
13. Install the upper spring seat and bearing cup, washer and upper bearing so that the hole in the cup is at an angle of 11°to the longitudinal axis of the lower mounting bolt. If the assembly of the assembly is carried out correctly, the upper end of the spring should be installed against the stop at the bottom of the upper support (pic. 4.13, a-c).
Pic. 4.13b. Pay attention to the difference in setting the angles between the left and right pillars:
A. Angle = 11°±2°
B. Holes in the bottom cup
F. Vehicle direction "directly'
L. Left pillar
R. Right pillar
1. Lower rack mounting bolt
14. Screw in a new stem nut. Using the method used for removal, while holding the stem, tighten the nut to the prescribed torque.
15. Make sure the assembly is properly assembled (both ends of the spring must rest against the protrusions on the supports) and remove the spring compressors.
16. Install the stand on the vehicle as described in paragraph 3.
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