Prepare to install front suspension, Install front suspension – Trail Master Suspension TM3330-40053 JEEP WRANGLER 4 DOOR (JK) 3 SPRING KIT User Manual
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Prepare to Install Front
Suspension
1. Loosen, but do not remove, lug nuts on each
front wheel.
2. Jack the rear of the vehicle with the floor jack
under the differential and place jack stands un-
der the frame just behind the lower control arm
frame mounts. Leave the jack stands high
enough to let the floor jack down and still have
the front tires suspended in the air. Keep the
floor jack under the differential with slight pres-
sure for support. Remove the front wheels.
3. Disconnect the track bar from the axle and save
the hardware for reuse.
4. Unbolt the front brake line brackets from the
frame. Save the hardware for reuse.
5. Unbolt the front sway bar end links from the
axle. Save the hardware for reuse.
6. Disconnect the lower shock mounts. Save the
hardware for reuse. Remove shocks if you pur-
chased kit TM3325-40053
7. Unbolt the (1) driver side skid plate bolt and
loosen the (2) passenger side skid plate bolts.
8. Lower the jack carefully, remove the OE coil
springs and the OE isolators. Label the springs
as to which side they were removed, Left and
Right so that they are reinstalled in the side in
which they were removed.
Install Front Suspension
1. Place the front bump stop extension (90-
TM10001) on the lower spring mount. Center
the extension and mark with a center punch.
2. Use the previously applied mark to drill a hole in
the lower spring mount using a 5/16” drill bit.
Pre tap the hole using the supplied 3/8” X 2”
self tapping screw.
OE Coil
Spring
WARNING
Compressed coil springs can expand violently causing
serious personal injury. Before removing the coil
springs, lower the axle housing as far as possible to al-
low the coil springs to expand.
WARNING
Use extreme caution when lifting vehicle from ground.
To prevent serious personal injury, ensure the lifting de-
vice is securely placed.
90-TM10001
Bump Stop
Extension
Front
Axle