Jeep Wrangler: STARTING AND OPERATING / ENGINE BLOCK HEATER — IF EQUIPPED
The engine block heater warms the engine, and
permits quicker starts in cold weather. Connect
the cord to a standard 110-115 Volt AC
electrical outlet with a grounded, three-wire
extension cord.
![Jeep Wrangler. ENGINE BLOCK HEATER — IF EQUIPPED](images/engine_block_heater_v_if_equipped-285/1/jeepwrangler_engine_block_heater_if_equipped_393.gif)
Diesel Engine Block Heater Cord Location
The engine block heater cord is found under the
hood bundled up next to the Power Distribution
Center (PDC).
For diesel engines, its use is recommended for
environments that routinely fall below -10°F
(-23°C). It should be used when the vehicle has
not been running for long periods of time and
should be plugged in two hours prior to start. Its
use is required for cold starts with temperatures
under -20°F (-28°C).
The engine block heater cord is found under the
hood bundled in front of the battery tray.
WARNING!
Remember to disconnect the engine block
heater cord before driving. Damage to the
110-115 Volt AC electrical cord could cause
electrocution.
All engine failures give some warning before the
parts fail. Be on the alert for changes in
performance, sounds, and visual evidence that
the engine requires service...
A long break-in period is not required for the
engine and drivetrain (transmission and axle) in
your vehicle.
Drive moderately during the first 300 miles
(500 km)...
Other information:
Remove the grommets under the rear seat
(one left and one right).
Pull the carpet out to the front and open the
carpet split around the seat belt attachment
and under the center seat bracket.
Under Rear Seat
Carpet Split
Grommets
Rear Carpet
When reinstalling carpet please perform
these steps in reverse order making sure
that the carpet is tucked under the scuffs,
B-pillar, console, and refasten grommets...
Your vehicle has been built with an improved
engine coolant (OAT coolant conforming to MS.90032) that allows extended
maintenance
intervals. This engine coolant (antifreeze) can
be used up to 10 years or 150,000 miles
(240,000 km) before replacement...