2007 JEEP WRANGLER Fluids

WARNING!
Worn brake hoses can burst and cause brake failure.
You could have an accident. If you see any signs of
cracking, scuffing, or worn spots, have the brake
hoses replaced immediately.
Brake Master Cylinder
The fluid level in the master cylinder should be checked
when performing under hood services, or immediately if
the BRAKE warning light shows system failure
Be sure to clean the top of the master cylinder area before
removing the cap. If necessary, add fluid to bring the
fluid level up to the requirements described on the brake
fluid reservoir. With disc brakes, fluid level can be
expected to fall as the brake pads wear. Brake fluid levelshould be checked when pads are replaced. However,
low fluid level may be caused by a leak and a checkup
may be needed.
Use only manufacturer’s recommended brake fluid, refer
to Fluids, Lubricants, and Genuine Parts for correct fluid
type.
WARNING!
•Use of a brake fluid that may have a lower initial
boiling point or unidentified as to specification,
may result in sudden brake failure during hard
prolonged braking. You could have an accident.
•Overfilling the brake fluid reservoir can result in
spilling brake fluid on hot engine parts and the
brake fluid catching fire.
MAINTAINING YOUR VEHICLE 387
7

Use only brake fluid that has been in a tightly closed
container to avoid contamination from foreign matter. Do
not allow petroleum base fluid to contaminate the brake
fluid as seal damage will result.
Automatic Transmission
Selection of Lubricant
It is important that the proper lubricant is used in the
transmission to assure optimum transmission perfor-
mance. Use only manufacturer’s recommended transmis-
sion fluid, refer to Fluids, Lubricants, and Genuine Parts
for correct fluid type. It is important that the transmission
fluid be maintained at the prescribed level using the
recommended fluid.
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. Using a transmission fluid other than the
manufacturer’s recommended fluid will result in
more frequent fluid and filter changes. Refer to
Fluids, Lubricants, and Genuine Parts for correct
fluid type.
Fluid Level Check — 42RLE
NOTE:If equipped with a dipstick, use the following
procedure. If your vehicle has a capped dipstick tube, it
is sealed and should not be tampered with. Your autho-
rized dealer has the proper tools to ensure that the fluid
level is set properly.
388 MAINTAINING YOUR VEHICLE

CAUTION!
Be aware that if the fluid temperature is below 50° F
(10° C), it may not register on the dipstick. Do not add
fluid until the temperature is elevated enough to
produce an accurate reading.
7. Check for leaks. Release the parking brake.
NOTE:To prevent dirt and water from entering the
transmission after checking or replenishing fluid, make
certain that the dipstick cap is properly reseated. It is
normal for the dipstick cap to spring back slightly from
its fully seated positions, as long as its seal remains
engaged in the dipstick tube.
Special Additives
The manufacturer strongly recommends against the ad-
dition of any additives to the transmission. The only
exception to this policy is the use of special dyes to aid in
detecting fluid leaks. The use of transmission sealers
should be avoided as they may adversely affect seals.
Hydraulic Clutch Fluid — Manual Transmission
The clutch hydraulic system is a sealed maintenance free
system. In the event of leakage or other malfunction, the
system must be replaced.
Manual Transmission
Selection of Lubricant
Use only manufacturer’s recommended manual trans-
mission fluid, refer to Fluids, Lubricants, and Genuine
Parts for correct fluid type.
390 MAINTAINING YOUR VEHICLE

Adding Fluid
Fluid should be added only at filler hole until fluid
begins to run out of the hole.
Drain
First remove fill plug (B), then drain plug (C). Recom-
mended tightening torque for drain and fill plugs is
15–25 ft.lbs. (20–34 N·m).
CAUTION!
When replacing plugs, do not overtighten. You could
damage them and cause them to leak.
Selection of Lubricant
Use only manufacturer’s recommended fluid, refer to
Fluids, Lubricants, and Genuine Parts for correct fluid
type.
Front/Rear Axle Fluid
Fluid Level Check
Lubricant should be at bottom edge of the oil fill hole.
Adding Fluid
Add lubricant only at the fill hole and only to the level
specified above.
Selection of Lubricant
Use only manufacturer’s recommended fluid, refer to
Fluids, Lubricants, and Genuine Parts for correct fluid
type.
Maintenance After Off-Road Driving
After extended operation in mud, sand or water, or
similar dirty conditions, have your brake drums, brake
linings, and axle joints inspected and cleaned as soon as
possible. This will prevent any abrasive material from
causing excessive wear or unpredictable braking action.
392 MAINTAINING YOUR VEHICLE

FLUIDS, LUBRICANTS AND GENUINE PARTS
Engine
Component Fluid, Lubricant, or Genuine Part
Engine Coolant MoparAntifreeze/Coolant 5 Year/100,000 Mile Formula HOAT (Hybrid Or-
ganic Additive Technology)
Engine Oil API Certified SAE 5W-20 Engine Oil is recommended. Meets the requirements
of DaimlerChrysler Material Standard MS-6395.
Spark Plugs Refer to the Vehicle Emission Control Information label in the engine compart-
ment.
Oil Filter (3.8L Engine) MoparOil Filter (P/N 04105409AC)
Fuel Selection 87 Octane
MAINTAINING YOUR VEHICLE 413
7

Chassis
Component Fluid, Lubricant, or Genuine Part
Automatic Transmission MoparATF+4 Automatic Transmission Fluid
Manual Transmission MoparManual Transmission Lubricant or equivalent (meeting the require-
ments of DaimlerChrysler Material Standard MS-9224)
Transfer Case MoparATF+4 Automatic Transmission Fluid or equivalent.
Axle Differential (Front) MoparGear & Axle Lubricant (SAE 80W-90) (API GL-5) or equivalent.
Axle Differential (Rear)198 RBI (Model 35) and 226 RBI (Model 44)- MoparGear & Axle Lubri-
cant (SAE 80W-90) (API GL-5) or equivalent. For trailer towing, use Mopar
Synthetic Gear & Axle Lubricant (SAE 75W-140) or equivalent. Models
equipped with Trac-Lok require an additive.
Brake Master Cylinder MoparDOT 3 Brake Fluid, SAE J1703 should be used. If DOT 3, SAE J1703
brake fluid is not available, then DOT 4 is acceptable. Use only recom-
mended brake fluids.
Power Steering Reservoir MoparATF+4 Automatic Transmission Fluid
414 MAINTAINING YOUR VEHICLE

WARNING!
Engine exhaust, some of its constituents, and certain
vehicle components contain or emit chemicals
known to the State of California to cause cancer and
birth defects or other reproductive harm. In addition,
certain fluids contained in vehicles and certain prod-
ucts of component wear contain or emit chemicals
known to the State of California to cause cancer and
birth defects or other reproductive harm.
WARRANTY INFORMATION (U.S. Vehicles Only)
See the Warranty Information Booklet for the terms and
provisions of DaimlerChrysler’s warranties applicable to
this vehicle.
MOPARPARTS
Moparfluids, lubricants, parts, and accessories are
available from your dealer. They will help you keep your
vehicle operating at its best.
REPORTING SAFETY DEFECTS
In the 50 United States and Washington D.C.: If you
believe that your vehicle has a defect, which could cause
a crash or cause injury or death, you should immediately
inform the National Highway Traffic Safety Administra-
tion (NHTSA) in addition to notifying the manufacturer.
If NHTSA receives similar complaints, it may open an
investigation, and if it finds that a safety defect exists in
a group of vehicles, it may order a recall and remedy
campaign. However, NHTSA cannot become involved in
individual problems between you, your dealer, and the
manufacturer.
IF YOU NEED CONSUMER ASSISTANCE 443
9

Turn Signal.....................203,410,411
Flooded Engine Starting................... 266
Fluid Capacities......................... 412
Fluid Level Checks...................... 392
Automatic Transmission................. 388
Engine Oil........................... 369
Manual Transmission................... 391
Power Steering........................ 377
Fluids, Lubricants and Genuine Parts.......... 413
Fog Light Service........................ 410
Fog Lights..........................100,410
Fold and Tumble Rear Seat.................. 90
Folding Rear Seat........................ 93
Folding Windshield...................... 187
Four Wheel Drive....................... 280
Shifting............................. 282
Four Wheel Drive Operation................ 280
Four-Way Hazard Flasher.................. 350
Front Axle (Differential)................... 392Fuel................................. 321
Filler Cap (Gas Cap).................... 325
Filter............................... 375
Gasoline............................ 321
Gauge.............................. 202
Materials Added....................... 323
Octane Rating........................ 321
Requirements......................... 412
Tank Capacity........................ 412
Fuel System Caution................324,326,327
Fuses................................ 400
Gas Cap (Fuel Filler Cap)...............325,366
Gasoline (Fuel)......................... 321
Gasoline, Reformulated................... 322
Gasoline/Oxygenate Blends................ 322
Gauges
Coolant Temperature.................... 205
Fuel................................ 202
INDEX 455
10