IS 250 RWD V6-2.5L (4GR-FSE) (2007)
a) Install the front lower coil spring insulator to the front shock absorber so that both recessed parts are aligned.
b) Using SST, compress the front coil spring.
SST 09727-30021 (09727-00010, 09727-00021, 09727-00031)
NOTICE: Do not use an impact wrench. It will damage the SST.
c) Install the front coil spring so that the end comes to the stepped portion of the lower spring seat.
d) Install the front spring bumper on the front suspension support assembly
e) Align the bolt of the front suspension support assembly with the cutout of the front upper coil spring insulator, and install the front upper coil
spring insulator on the front suspension support assembly.
f) Match the shape of the piston rod end to the shape of the front suspension support assembly to install the front shock absorber.
g) Temporarily tighten a new lock nut to the front shock absorber.