INSTALL A NEW SERVO
Whether you’re replacing a worn-out servo or upgrading for improved
durability and performance, a servo swap is a simple job
BY PETER VIEIRA PHOTOS BY JOEL NAVARRO
If you’re logging wheel time on the regular, you’re going to find yourself replacing a servo sooner or later (a steering
servo, most likely). Sometimes they break, sometimes they just wear out, and sometimes you just want more torque and
durability than your RTR’s stock linkage puller has to offer. No matter why you’re looking at a servo install as your next
bench mission, fear not—swapping servos is easy. Here’s how to do it.
Need to replace a busted servo?
Looking to upgrade? A servo install
is a quick and easy job.
If you’ve got a model with an
enclosed receiver box, you’ll
need to open it up to access
the receiver plug. Consult your
vehicle’s manual for details
on accessing the receiver.
Lost your manual? Most
manufacturers have PDF
manuals online. ;e steering
servo will be the plug in the
channel 1 slot (which may be
labeled “CH1” or “S T”), and the
throttle servo will be in the
channel 2 slot (“CH2” or “TH”).
Pull the plug straight up to
Some cars stow the receiver in a sealed box. If you’re not sure which plug to pull, remember that channel 1 is
steering and channel 2 is throttle. In this case, they are labeled
“STR” and “THR.”