7-4
SERVICE AND MAINTENANCE
Precautions for Checking and Adjustments
WARNING
Make sure to turn off the engine and remove the key from the starter switch
before performing any checks.
Pull the parking brake lever firmly and put the transmission in neutral.
If your vehicle is equipped with a manual transmission, make sure the
gearshift lever is in "N".
If your vehicle is equipped with a Smoother system, place the gearshift lever
in "N" and make sure the shift indicator displays "N".
If your vehicle is equipped with an ALLISON2500 model automatic
transmission, place the selector lever in "N".
If your vehicle is equipped with an ALLISON3000/3500 model automatic
transmission, make sure the shift selector display indicates "N".
Select a place with a hard and level surface for performing the checking and
maintenance work. Make sure to chock the wheels. It would be very dangerous
if the vehicle started to move.
When raising the vehicle, use a suitable jack, not the one provided on the
vehicle.
After raising the vehicle and before going underneath to perform work, make
sure the vehicle is supported with jack stands.
When performing work on the electrical system, begin by turning the starter
switch to the "LOCK" position, wait at least 1 minute, and then disconnect the
negative cable from the negative terminal on battery. If the negative cable is
disconnected within 1 minute, the engine control module may malfunction.
The engine, exhaust pipe, radiator, and other parts surrounding them will be hot
immediately after the vehicle is driven. Be careful around these parts to prevent
burns. Perform all checks when the engine is cold.
Do not perform work near an open flame or other heat sources.
When working on the fuel line or fuel filter, remove the fuel tank filler cap. The
fuel system is under pressure, and the fuel will overspill unless the pressure is
relieved, possibly leading to combustion or a fire.
Do not let the engine run in poorly ventilated garages or sheds. This could cause
carbon monoxide poisoning.
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4608498sec07SERVICEANDMAINTE7-47-44608498sec07SERVICEANDMAINTE7-47-4 2015/11/049:59:232015/11/049:59:23
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