Peterbilt Medium Duty Truck Owner's Manual - Peterbilt Motors

STANDARD GAUGES
Engine Oil Pressure Gauge
CONTROLS AND DISPLAY
• If your oil pressure suddenly drops while you are driving,
bring the vehicle to a stop as soon as possible in
a safe location off the road and turn off the engine.
Wait a few minutes to allow oil to drain into the oil pan,
and then check the oil level. Add oil if necessary. If the
problem persists, contact an authorized service center.
Check the engine manufacturer’s manual for the correct
oil pressure ranges for your engine.
Water Temperature Gauge
It is important to maintain oil pressure within acceptable
limits. Your engine manual will give normal operating pressures
for your engine.
CAUTION: Continuing to operate your vehicle
with insufficient oil pressure will cause serious
engine damage.
• If your oil pressure fails to rise within 10 seconds after
your engine starts, stop the engine and determine the
cause.
The water temperature gauge shows the temperature of
the engine coolant. Under normal operating conditions the
– 40 – Y53-6027 Medium Duty (R05/09)