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Replacing Shock Oil
For easier service, the shocks should be removed from the vehicle
and disassembled to change the oil.
1. Remove the lower spring retainer and shock spring.
2. Remove the upper shock cap using the shock wrench and suspension
multi-tool (A).
3. Empty the used shock oil from the shock body.
4. Fill the shock with new silicone shock oil up to the top of the shock body.
5. Slowly move the piston up and down (always keeping it submerged
in oil) to release the air bubbles. Let the shock sit for a few minutes to
allow any remaining air bubbles to surface.
6. Slowly thread the upper cap with the installed shock bladder onto
the shock body with the suspension multi-tool. The excess oil will
bleed out of the small hole in the
shock cap.
7. Tighten the shock cap until snug.
Use the included steel shock wrench
to hold onto the shock body while
tightening (A).
Shock disassembly
The shocks must be removed from the
vehicle and disassembled to change the
pistons. Use the shock exploded views
included with the model to aid in the
assembly process.
1. Remove the spring and lower spring
retainer from the shock.
2. Remove the shock cap and empty the
shock body of shock oil (A).
3. Remove the lower cap and the X-ring
from the shock body (B).
4. Use side cutters to grip the shock shaft
just above the rod end. Remove the
rod end from the shock shaft using
the suspension multi-tool (C).
5. Remove the shock shaft with piston
from the shock body out through the
top of the shock body.
Shock assembly
1. Replace the stock piston with desired
optional piston. Be careful not to lose
the small washer located below the
piston.
2. Position the new piston onto the shock
shaft above the small washer. Grip the
threads of the shaft with side cutters or
needlenose pliers and tighten the nut
with the 4-way wrench to secure the
assembly (D).
3. Insert the shock shaft assembly through
the shock body until the piston
bottoms out.
Multi-tool Shock Functions
4. Lubricate the shaft and X-ring with
silicone oil.
5. Install the X-ring over the shaft and
into the bore of the shock body.
6. Install the lower cap using the
suspension multi-tool (B).
7. Grip the shaft close to the threads with
needlenose pliers or side cutters and
A. Tighten/Loosen Upper Cap
thread the rod end onto the shock
shaft until the rod end bottoms out (C).
8. Fill the shock with new silicone shock
oil up to the top of the shock body.
Slowly move the piston up and down
(always keeping it submerged in oil) to
release the air bubbles. Let the shock
sit for a few minutes to allow any
remaining air bubbles to surface.
B. Tighten/Loosen Lower Cap
9. Slowly thread the upper cap with the installed shock bladder onto
the shock body with the suspension multi-tool. The excess oil will
bleed out of the small hole in the shock cap. Tighten the shock cap
until snug. Use the included steel shock wrench to hold onto the
shock body while tightening (A).
10. Reinstall the spring and lower retainer.
C. Remove/Install Rod End
ADVANCED TUNING ADJUSTMENTS
D. Piston Installation/Removal
7468
7468
7463
7463
7464
Front (long)
7465
rear (xx-long)
7463
(Rear Only)
7466
Front (long)
7467
rear (xx-long)
7468
F-7444
R-7446
7463
7468
7463
7468
7463
Optional shock springs
available from Traxxas.
Refer to your parts list for
a complete part number
listing. Higher rate springs
are stiffer. Springs can be
identified by dots of color on
one end.
Shock Piston Sizes
1.5
1.5
1.5
1.5mm Front
1.6mm Rear
7440 opt.
7441 opt.
7445 opt.
7448 opt.
7442 opt.
7443 opt.
7447 opt.
7449 opt.
SLASH 4X4 ULTIMATE • 31
1.6
1.6
1.6
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