Owner 's Manual - Page 256

For 2005 Jeep Wrangler TJ.

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Engine Oil Viscosity (2.4L Engines)
SAE 5W-30 engine oil is recommended for all operating
temperatures. This engine oil improves low tempera-
ture starting and vehicle fuel economy. Refer to your
engine oil filler cap for the recommended engine oil
viscosity for your vehicle.
Engine Oil Viscosity (4.0L Engines)
SAE 10W-30 engine oil is recommended. Refer to your
engine oil filler cap for the recommended engine oil
viscosity for your vehicle.
For information on engine oil filler cap location, see the
Engine Compartment illustration in this section.
Lubricants which do not have both, the engine oil certi-
fication mark and the correct SAE viscosity grade num-
ber should not be used.
4.0L Engines
256 MAINTAINING YOUR VEHICLE
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