Spoiler: To fix suspension clicks open car's _main*.cfg. Found and replace lines by this:
slot 0.024 0.150 0.000 0.000 0.000 -0.200 301 ; FL shock absorber
attach 0x00041000 1
slottype 201
-
slot 0.050 -0.250 0.000 0.000 0.000 0.000 311 ; FL spring
attach 0x00040051 1
slottype 201
slot -0.024 0.150 0.000 0.000 0.000 0.200 302 ; FR shock absorber
attach 0x00041000 1
slottype 202
-
slot -0.050 -0.250 0.000 0.000 0.000 0.000 312 ; FR spring
attach 0x00040051 1
slottype 202
slot 0.176 0.000 -0.100 0.000 0.150 -0.100 303 ; RL shock absorber
attach 0x00041000 1
slottype 303
-
slot 0.200 -0.350 -0.050 0.000 0.000 0.000 313 ; RL spring
attach 0x00040051 1
slottype 303