2006 JEEP LIBERTY checking oil

NOTE:Intentional tampering with emissions control
systems can result in civil penalties being assessed
against you.
WARNING!
You can be badly injured working on or around a
motor vehicle. Do only that service work for which
you have the knowledge and the proper equipment.
If you have any doubt about your ability to perform
a service job, take your vehicle to a competent
mechanic.
MAINTENANCE PROCEDURES
The pages that follow contain the requiredmaintenance
services determined by the engineers who designed your
vehicle.
Besides the maintenance items for which there are fixed
maintenance intervals, there are other items that should
operate satisfactorily without periodic maintenance.
However, if a malfunction of these items does occur, it
could adversely affect the engine or vehicle performance.
These items should be inspected if a malfunction is
observed or suspected.
Engine Oil
Checking Oil Level
To assure proper lubrication of your vehicle’s engine, the
engine oil must be maintained at the correct level. Check
the oil level at regular intervals, such as every fuel stop.
MAINTAINING YOUR VEHICLE 319
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The best time to check the engine oil level is about 5
minutes after a fully warmed engine has been shut off, or
before starting the engine after it has sat overnight.
Checking the oil while the vehicle is on level ground will
improve the accuracy of the oil level readings. Maintain
the oil level between the ADD and SAFE markings on the
dipstick. Adding 1 U.S. Quart (0.95L) of oil when the
reading is at the ADD mark will result in a SAFE reading
on these engines.
CAUTION!
Overfilling or underfilling the crankcase will cause
aeration or loss of oil pressure. This could damage
your engine.
Change Engine Oil
Road conditions as well as your kind of driving affect the
interval at which your oil should be changed. Check the
following to determine if any apply to you:
•Day or night temperatures are below 32°F (0°C)
•Stop and go driving
•Extensive engine idling
•Driving in dusty conditions
•Short trip driving of less than 10 miles (16.2 km)
•More than 50% of your driving is at sustained high
speeds during hot weather, above 90°F (32°C)
•Taxi, Police, or delivery service (commercial service)
•Trailer towing
•Off-road or desert driving
320 MAINTAINING YOUR VEHICLE

To check the automatic transmission fluid level properly,
the following procedure must be used:
1. The vehicle must be on level ground.
2. The engine should be running at curb idle speed for a
minimum of 60 seconds.
3. Fully apply parking brake.
4. Apply the brakes and shift the transmission into P
(Park).
5. The fluid MUSTbe checked with the transmission in
P (Park) to be sure that the fluid level is accurate.
6. Wipe the dipstick clean and reinsert until seated.
Remove dipstick and note reading.
At normal operating temperature (approximately 180° F
(82° C), the fluid level is correct if it is in the HOT region (cross-hatched area) on the oil level indicator. The fluid
level indicator should be in the COLD region at 70° F (21°
C) fluid temperature.
If the fluid level is low, add sufficient fluid to bring to the
proper level. Refer to Fluids, Lubricants and Genuine
Parts for correct fluid type.
Fluid is added through the dipstick tube.
NOTE:
To prevent dirt and water from entering the
transmission after checking or replenishing fluid, make
certain that the dipstick cap is properly reseated.
Special Additives
The manufacturer recommends against the addition of
any additives to the transmission. Exception to this
policy is the use of special dyes to aid in detecting fluid
leaks.
MAINTAINING YOUR VEHICLE 341
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•Heavy loading.
•Taxi, police, or delivery service (commercial service).
•Off-road or desert driving.
•If equipped for and operated with E-85 (ethanol)
fuel.
NOTE: IfANY of these apply to you then change your
engine oil every 3,000 miles (5 000 km) or 3 months,
whichever comes first and follow “Schedule B” of the
“Maintenance Schedules” section of this manual.
NOTE: IfANY of these apply to you then flush and
replace your engine coolant/anti-freeze every 102,000
miles (170 000 km) or 60 months, whichever comes first,
and follow “Schedule B” of the “Maintenance Schedules”
section of this manual.
NOTE: Most vehicles are operated under the conditions
listed for Schedule “B.” Second is Schedule
“A”. It is for vehicles that are not
operated under any of the conditions listed under Sched-
ule “B.”
Use the schedule that best describes your driving condi-
tions. Where time and mileage are listed, follow the
interval that occurs first.
CAUTION!
Failure to perform the required maintenance items
may result in damage to the vehicle.
At Each Stop for Fuel
•Check the engine oil level about 5 minutes after a fully
warmed engine is shut off. Checking the oil level while
the vehicle is on level ground will improve the accu-
racy of the oil level reading. Add oil only when the
level is at or below the ADD or MIN mark.
MAINTENANCE SCHEDULES 367
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At Each Stop for Fuel
•Check the engine oil level about 5 minutes after a fully
warmed engine is shut off. Checking the oil level while
the vehicle is on level ground will improve the accu-
racy of the oil level reading. Add oil only when the
level is at or below the ADD or MIN mark.
•Check the windshield washer solvent, add as required.
Once a Month
•Check the tire pressure and look for unusual wear or
damage.
•Inspect the battery, clean and tighten the terminals as
required.
•Check the fluid levels of engine coolant/anti-freeze
deaeration bottle, brake master cylinder, and transmis-
sion, and add as needed.
•Check all lights and all other electrical items for correct
operation.
At Each Oil Change
•Change the engine oil filter.
•Inspect the exhaust system.
•Inspect brake hoses.
•Check the engine coolant/anti-freeze level, hoses, and
clamps.
•Inspect engine accessory drive belts. Replace as neces-
sary.
•Inspect for the presence of water in the fuel filter/
water separator unit.
Tire Rotation
•Rotate the tires every 6,250 miles (10 000 km).
SCHEDULE “A” — GASOLINE ENGINES 385
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Electronic Stability Program (ESP)............ 129
Electronic Throttle Control Warning Light ...... 180
Electronic Vehicle Information Center (EVIC) .... 137
Emergency, In Case of Freeing Vehicle When Stuck ............... 233
Hazard Warning Flasher ................. 300
Jacking ............................. 302
Jump Starting ......................... 307
Tow Hooks .......................... 309
Emission Control System Maintenance ......317,366
Engine Air Cleaner .......................... 326
Block Heater ......................... 223
Break-In Recommendations ................ 71
Checking Oil Level ..................... 319
Compartment ......................... 314
Compartment Identification ............... 314
Cooling ............................. 332
Exhaust Gas Caution .................... 279 Fails to Start
.......................... 218
Flooded, Starting ...................... 218
Fuel Requirements .................. 276,362
Jump Starting ......................... 307
Malfunction Indicator (Check Engine) ........ 174
Oil .............................. 319,362
Oil Change Interval .................... 320
Oil Disposal .......................... 323
Oil Filter ............................ 323
Oil Filter Disposal ...................... 323
Oil Selection .................... 321,322,362
Oil Synthetic ......................... 322
Overheating .......................... 301
Starting ............................. 217
Temperature Gauge ..................... 176
Engine Oil Viscosity ................... 321,322
Engine Oil Viscosity Chart ..............321,322
Enhanced Accident Response Feature .......... 60
Entry System, Illuminated .................. 17
406 INDEX

Capacity............................ 362
Change Interval ....................... 320
Checking ............................ 319
Dipstick ............................. 319
Identification Logo ..................... 321
Materials Added to ..................... 322
Pressure Warning Light .................. 177
Recommendation ................. 321,322,362
Synthetic ............................ 322
Viscosity ....................... 321,322,362
Oil Filter, Selection ....................... 323
Oil Pressure Light ....................... 177
Onboard Diagnostic System ..............316,317
Opener, Garage Door (HomeLink ) ........... 145
Organizer, Cargo ........................ 160
Outside Rearview Mirrors .................. 80
Overhead Console ....................... 135
Overheating, Engine ...................... 301
Owner’s Manual (Operator Manual) .......... 398 Paint Care
............................. 345
Paint Damage .......................... 345
Panic Alarm ............................ 25
Parking Brake .......................... 243
Passing Light ........................... 117
PCV Valve ............................ 326
Pets .................................. 71
Phone, Cellular .......................... 83
Phone, Hands-Free (UConnect™) ............. 83
Placard, Tire and Loading Information ......... 258
Polishing and Waxing ..................... 346
Power Distribution Center ..................... 351
Door Locks ........................... 20
Mirrors .............................. 81
Outlet (Auxiliary Electrical Outlet) .......... 153
Seats ............................... 109
Steering .......................... 247,328
Sunroof ............................. 151
INDEX 413
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