2013 JEEP WRANGLER automatic transmission

ENGINE COMPARTMENT — 3.6L
1 — Integrated Power Module (Fuses)7 — Washer Fluid Reservoir
2 — Battery 8 — Engine Coolant Reservoir
3 — Engine Oil Dipstick 9 — Air Cleaner Filter
4 — Automatic Transmission Dipstick (Under Engine Cover) 10 — Coolant Pressure Cap
5 — Engine Oil Fill 11 — Power Steering Fluid Reservoir
6 — Brake Fluid Reservoir7
MAINTAINING YOUR VEHICLE 569

ONBOARD DIAGNOSTIC SYSTEM — OBD II
Your vehicle is equipped with a sophisticated onboard
diagnostic system called OBD II. This system monitors
the performance of the emissions, engine, and automatic
transmission control systems. When these systems are
operating properly, your vehicle will provide excellent
performance and fuel economy, as well as engine emis-
sions well within current government regulations.
If any of these systems require service, the OBD II system
will turn on the “Malfunction Indicator Light” (MIL). It
will also store diagnostic codes and other information to
assist your service technician in making repairs. Al-
though your vehicle will usually be drivable and not
need towing, see your authorized dealer for service as
soon as possible.
CAUTION!
•Prolonged driving with the MIL on could cause
further damage to the emission control system. It
could also affect fuel economy and drivability. The
vehicle must be serviced before any emissions tests
can be performed.
• If the MIL is flashing while the engine is running,
severe catalytic converter damage and power loss
will soon occur. Immediate service is required.
Loose Fuel Filler Cap Message
After fuel is added, the vehicle diagnostic system can
determine if the fuel filler cap is possibly loose, improp-
erly installed, or damaged. A “gASCAP” message will be
displayed in the odometer. Tighten the gas cap until a
clicking sound is heard. This is an indication that the
570 MAINTAINING YOUR VEHICLE

WARNING!(Continued)
•Overfilling the brake fluid reservoir can result in
spilling brake fluid on hot engine parts, causing
the brake fluid to catch fire. Brake fluid can also
damage painted and vinyl surfaces, care should be
taken to avoid its contact with these surfaces.
• Do not allow petroleum based fluid to contaminate
the brake fluid. Brake seal components could be
damaged, causing partial or complete brake failure.
This could result in a collision.
Automatic Transmission – If Equipped
Selection Of Lubricant
It is important to use the proper transmission fluid to
ensure optimum transmission performance and life. Use
only the manufacturer’s recommended transmission fluid. Refer to “Fluids, Lubricants, and Genuine Parts” in
this section for fluid specifications. It is important to
maintain the transmission fluid at the correct level using
the recommended fluid.
NOTE:
No chemical flushes should be used in any trans-
mission; only the approved lubricant should be used.
CAUTION!
Using a transmission fluid other than the manufac-
turer’s recommended fluid may cause deterioration
in transmission shift quality and/or torque converter
shudder. Refer to “Fluids, Lubricants, and Genuine
Parts” in “Maintaining Your Vehicle” for fluid speci-
fications.
594 MAINTAINING YOUR VEHICLE

Special Additives
The manufacturer strongly recommends against using
any special additives in the transmission.
Automatic Transmission Fluid (ATF) is an engineered
product and its performance may be impaired by supple-
mental additives. Therefore, do not add any fluid addi-
tives to the transmission. The only exception to this
policy is the use of special dyes for diagnosing fluid
leaks. Avoid using transmission sealers as they may
adversely affect seals.
CAUTION!
Do not use chemical flushes in your transmission as
the chemicals can damage your transmission compo-
nents. Such damage is not covered by the New
Vehicle Limited Warranty.
Fluid Level Check
It is best to check the fluid level when the transmission is
at normal operating temperature (approximately 180° F
(82° C). This occurs after at least 15 miles (25 km) of
driving. At normal operating temperature, the fluid
cannot be held comfortably between the fingertips.
Use the following procedure to check the transmission
fluid level properly:
1. Park the vehicle on level ground.
2. Run the engine at idle speed and normal operatingtemperature.
3. Fully apply the parking brake, and press the brake pedal.
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MAINTAINING YOUR VEHICLE 595

REPLACEMENT BULBS
Interior Bulbs
Bulb Number
Automatic Transmission Indicator
Lamp 658
Heater Control Lamps (2) 194
Rocker Switch Indicator Lamp
(Rear Window Defogger, and Rear
Wash/Wipe) **
Soundbar Dome Lamp 912
** Bulbs only available from authorized dealer.
Exterior Bulbs
Bulb Number
Headlamps (2) H13
Front Park/Turn Signal Lamps (2) 3157
Front Side Marker Lamps (2) 168
Fog Lamps PSX24W
Rear Stop/Tail/Turn Lamps (2) 3157
Center High-Mounted Stop Lamp L.E.D.
Backup Lamps (2) 3157
License Lamp 194
NOTE:
Numbers refer to commercial bulb types that can be
purchased from your local authorized dealer.
If a bulb needs to be replaced, visit your authorized
dealer or refer to the applicable Service Manual.
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Chassis
ComponentFluid, Lubricant, or Genuine Part
Automatic Transmission – If
Equipped We recommend you only use MOPAR® ATF+4® Automatic Transmission
Fluid. Failure to use ATF+4 fluid may affect the function or performance of
your transmission.
Manual Transmission – If Equipped We recommend you use MOPAR® Manual Transmission Lubricant.
Transfer Case We recommend you use MOPAR® ATF+4® Automatic Transmission Fluid.
Axle Differential (Front) We recommend you use MOPAR® Gear & Axle Lubricant (SAE 80W-90)
(API GL-5).
Axle Differential (Rear) 226 RBI (Model 44)– We recommend you use MOPAR® Gear & Axle
Lubricant (SAE 80W-90) (API GL-5) or equivalent. For trailer towing, use
MOPAR® Synthetic Gear & Axle Lubricant (SAE 75W-140). Models
equipped with Trac-Lok™ require an additive.
Brake Master Cylinder We recommend you use MOPAR® DOT 3 Brake Fluid, SAE J1703.
If DOT 3, SAE J1703 brake fluid is not available, then DOT 4 is acceptable.
Power Steering Reservoir We recommend you use MOPAR® Power Steering Fluid +4,
MOPAR® ATF+4® Automatic Transmission Fluid.
620 MAINTAINING YOUR VEHICLE

NOTE:Under no circumstances should oil change inter-
vals exceed 10,000 miles (16,000 km) or twelve months,
whichever comes first.
Once A Month Or Before A Long Trip:
• Check engine oil level
• Check windshield washer fluid level
• Check the tire inflation pressures and look for unusual
wear or damage
• Check the fluid levels of the coolant reservoir, brake
master cylinder, power steering and transmission as
needed
• Check function of all interior and exterior lights
Required Maintenance Intervals.
Refer to the maintenance schedules on the following
page for the required maintenance intervals.At Every Oil Change Interval As Indicated By Oil Change Indicator System:
•Change oil and filter
• Rotate the tires. Rotate at the first sign of irregu-
lar wear, even if it occurs before the oil indicator
system turns on.
• Inspect battery and clean and tighten terminals as
required
• Inspect automatic transmission fluid if equipped
with dipstick
• Inspect brake pads, shoes, rotors, drums, hoses
and park brake
•
Inspect engine cooling system protection and hoses
• Inspect exhaust system
• Inspect engine air cleaner if using in dusty or
off-road conditions
• Inspect all door latches for presence of grease,
reapply if necessary.
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SMAINTENANCE SCHEDULES 623

Mileage or time passed
(whichever comes first)
20,000
30,000
40,000
50,000
60,000
70,000
80,000
90,000
100,000
110,000
120,000
130,000
140,000
150,000
Or Years: 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Or Kilometers:
32,000
48,000
64,000
80,000
96,000
112,000
128,000
144,000
160,000
176,000
192,000
208,000
224,000
240,000
Change automatic transmission
fluid and filter if using your ve-
hicle for any of the following:
trailer towing, snow plowing,
heavy loading, taxi, police, deliv-
ery service (commercial service),
off-road, desert operation or
more than 50% of your driving is
at sustained high speeds during
hot weather, above 90°F (32°C). X
Change the automatic
transmission fluid and filter(s). X
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S626 MAINTENANCE SCHEDULES