Table 2-1. Preventive Maintenance Checks and Services
Item to be
Maintenance personnel will be with vehicle
operator during the road test.
Perform the following during road test.
For road test, vehicle will be driven at least five
miles over different ground to give enough
time to detect any malfunctions.
a. Notice if starter engages smoothly and
turns engine at normal cranking speed.
Listen for unusual engine noise at idle, at
operating speeds, and under acceleration. Be
alert for excessive vibration and the smell of
oil, fuel or exhaust.
knocks, rattles or
c. Check for transmission response to shifting
and for smoothness of operation in all speed
ranges. Be alert for unusual noises and
difficulty in shifting in any speed range.
does not shift or
Test for accelerator response. Observe for
d. Pedal sticking
e. With vehicle speed approximately 5 mph (8
kph) turn steering wheel to left, then right, to
detect steering backlash, shimmy or freeplay of
more than 1-1/2 in. (3.8 cm) in either direction.
Vehicle should respond instantly. With vehicle
moving on straight, level terrain, lightly hold
steering wheel to check for pull and wandering.
e. Steering binds,
or freeplay is
more than 1-1/2
in. (3.8 cm) in