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Hotchkis 1311 99-2003 Mustang Lower Trailing Arms User Manual

Installation instructions

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INSTALLATION INSTRUCTIONS

# 1304, 1304R AND 1311 MUSTANG LOWER TRAILING ARMS

Please read these instructions carefully and if you have any questions regarding
installation please do not hesitate to call Hotchkis Performance directly, we will be more
than happy to help.

THANK YOU FOR PURCHASING HOTCHKIS PERFORMANCE PRODUCTS

1) With the front wheels securely blocked, raise the rear of the vehicle to an adequate

working height, then support the vehicle / chassis / body securely
leaving the differential slightly supported with the jack.

with jack stands,


2) Remove the rear wheels then remove the bolts that retain the lower shock absorber

mounts. If you have a Quad-Shock equipped car remove the nuts on the frame side
of the axle dampening shock and pull it from the pivot.


3) Gradually lower the differential far as possible ( be very careful not to over extend the

flexible brake line that runs from the chassis to rearend.). At this point there should be
little or no tension on the rear springs so they can be easily removed from the car
allowing the easiest and safest trailing arm installation possible. NOTE – pay
attention to the position of the cutoff spring end and be sure to re-install the springs
clocked in the same position as this will affect ride height and ride quality.


4) Unbolt the rear sway bar from the lower trailing arms and remove the bar.

5) Working on one side of the car at a time, remove the two trailing arm pivot bolts. The

front pivot bolt has very limited clearance between the muffler and frame rail, but can
be reached with a deep socket / ratchet combination. Remove the old trailing arm. Be
sure to only remove and install one trailing arm at a time, failure to do so will let the
rearend housing rotate and will make your installation much more difficult.


6) Clean the surface of the pivot points on the car checking to make sure there are no

rough edges that may tear into the new bushings. After apply a light coat of grease to
the outer surfaces of each bushing, slide the forward end of the new trailing arm up
into the position and reinstall the front pivot bolt. Note – for proper sway bar
installation – make sure the arms are positioned so that the stickers are towards the
outside of the vehicle – the arms are marked left and right.