2012 JEEP WRANGLER brakes

Trailer brakes are recommended for trailers over
1,000 lbs (454 kg) and required for trailers in excess of
2,000 lbs (907 kg).
CAUTION!
If the trailer weighs more than 1,000 lbs (454 kg)
loaded, it should have its own brakes and they
should be of adequate capacity. Failure to do this
could lead to accelerated brake lining wear, higher
brake pedal effort, and longer stopping distances.
WARNING!
•Do not connect trailer brakes to your vehicle’s
hydraulic brake lines. It can overload your brake
system and cause it to fail. You might not have
brakes when you need them and could have an
collision.
•Towing any trailer will increase your stopping
distance. When towing, you should allow for ad-
ditional space between your vehicle and the ve-
hicle in front of you. Failure to do so could result
in a collision.
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STARTING AND OPERATING 481

•Make sure that the radiator and coolant recovery
bottle hoses are not kinked or obstructed.
•Keep the front of the radiator clean. If your vehicle is
equipped with air conditioning, keep the front of the
condenser clean.
•Do not change the thermostat for Summer or Winter
operation. If replacement is ever necessary, install
ONLY the correct type thermostat. Other designs may
result in unsatisfactory cooling performance, poor gas
mileage, and increased emissions.
Brake System
In order to assure brake system performance, all brake
system components should be inspected periodically.
Refer to the “Maintenance Schedule” for the proper
maintenance intervals.
WARNING!
Riding the brakes can lead to brake failure and
possibly a collision. Driving with your foot resting or
riding on the brake pedal can result in abnormally
high brake temperatures, excessive lining wear, and
possible brake damage. You would not have your full
braking capacity in an emergency.
Power Disc Brakes
Disc brakes do not require adjustment; however, several
hard stops during the break-in period are recommended
to seat the linings and wear off any foreign material.
Brake Master Cylinder
The fluid level in the master cylinders should be checked
whenever the vehicle is serviced. If necessary, add fluid
to bring level to the full level mark on the side of the
reservoir of the brake master cylinder. With disc brakes,
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MAINTAINING YOUR VEHICLE 535

24,000 Miles (39,000 km) or
18 Months Maintenance
Service Schedule
❏Change the engine oil and engine oil
filter.
❏ Rotate the tires, rotate at the first sign of
irregular wear, even if it occurs before
24,000 miles (39 000 km).
❏ Inspect all door latches for presence of
grease, reapply if necessary.
❏ Inspect the CV joints.
❏ Inspect exhaust system.
❏ Inspect the front and rear axle fluid.
Odometer Reading Date
Repair Order #Dealer Code
Signature, Authorized Service Center
32,000 Miles (52,000 km) or 24 Months Maintenance Service
Schedule
❏Change the engine oil and engine oil filter.
❏ Rotate the tires, rotate at the first sign of irregular wear, even if it occurs before
32,000 miles (52 000 km).
❏ Inspect all door latches for presence of grease, reapply if necessary.
❏ Replace the engine air cleaner filter.
❏ Replace the air conditioning filter.
❏ Adjust parking brake on vehicles equipped with four-wheel disc brakes.
❏ Inspect the transfer case fluid.
❏ Inspect the brake linings, replace if necessary.
❏ Inspect the front suspension, tie rod ends and boot seals for cracks or leaks and all parts for
damage, wear, improper looseness or end play; replace if necessary.
❏ Change the manual transmission fluid if using your vehicle for any of the following: trailer
towing, snow plowing, heavy loading, taxi, police, delivery 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).
Odometer Reading Date
Repair Order #Dealer Code
Signature, Authorized Service Center
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S568 MAINTENANCE SCHEDULES

64,000 Miles (104,000 km) or 48 Months Maintenance Service Schedule
❏Change the engine oil and engine oil filter.
❏ Rotate the tires, rotate at the first sign of irregular wear, even if it occurs before 64,000 miles (104 000 km).
❏ Inspect all door latches for presence of grease, reapply if necessary.
❏ Replace the engine air cleaner filter.
❏ Replace the air conditioning filter.
❏ Adjust parking brake on vehicles equipped with four-wheel disc brakes.
❏ Inspect the brake linings; replace if necessary.
❏ Change the automatic transmission fluid and filter if using your vehicle for any of the following: police, taxi, fleet, or frequent trailer towing.
❏ Change the manual transmission fluid if using your vehicle for any of the following: trailer towing, snow plowing, heavy loading, taxi, police,
delivery 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).
❏ Change the transfer case fluid if using your vehicle for any of the following: police, taxi, fleet, or frequent trailer towing.
❏ Inspect the front suspension, tie rod ends and boot seals for cracks or leaks and all parts for damage, wear, improper looseness or end play;
replace if necessary.
Odometer Reading Date
Repair Order #Dealer Code
Signature, Authorized Service Center
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SMAINTENANCE SCHEDULES 571

96,000 Miles (156,000 km) or 72 Months Maintenance Service Schedule❏Change the engine oil and engine oil filter.
❏ Rotate the tires, rotate at the first sign of irregular wear, even if it occurs before 96,000 miles (156 000 km).
❏ Inspect all door latches for presence of grease, reapply if necessary.
❏ Replace the engine air cleaner filter.
❏ Replace the air conditioning filter.
❏ Replace the ignition cables.
❏ Replace the spark plugs.
❏ Inspect and replace PCV valve if necessary.
❏ Adjust parking brake on vehicles equipped with four-wheel disc brakes.
❏ Inspect the transfer case fluid.
❏ Inspect the brake linings, replace if necessary.
❏ Inspect the CV joints.
❏ Inspect exhaust system.
❏ Inspect the front suspension, tie rod ends and boot seals for cracks or leaks and all parts for damage, wear, improper looseness or end play;
replace if necessary.
❏ Inspect the front and rear axle fluid, change if using your vehicle for police, taxi, fleet, off-road or frequent trailer towing.
❏ Change the manual transmission fluid if using your vehicle for any of the following: trailer towing, snow plowing, heavy loading, taxi, police,
delivery 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).
Odometer Reading Date
Repair Order #Dealer Code
Signature, Authorized Service Center
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S574 MAINTENANCE SCHEDULES

128,000 Miles (208,000 km) or 96 Months Maintenance Service Schedule
❏Change the engine oil and engine oil filter.
❏ Rotate the tires, rotate at the first sign of irregular wear, even if it occurs before 128,000 miles (208 000 km).
❏ Inspect all door latches for presence of grease, reapply if necessary.
❏ Replace the engine air cleaner filter.
❏ Replace the air conditioning filter.
❏ Adjust parking brake on vehicles equipped with four-wheel disc brakes.
❏ Change the transfer case fluid if using your vehicle for any of the following: police, taxi, fleet, or frequent trailer towing.
❏ Inspect the brake linings, replace if necessary.
❏ Inspect the front suspension, tie rod ends and boot seals for cracks or leaks and all parts for damage, wear, improper looseness or end play;
replace if necessary.
❏ Change the manual transmission fluid if using your vehicle for any of the following: trailer towing, snow plowing, heavy loading, taxi, police,
delivery 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).
Odometer Reading Date
Repair Order #Dealer Code
Signature, Authorized Service Center
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SMAINTENANCE SCHEDULES 577

Lights On Reminder.................. 152
Low Fuel .......................... 269
Oil Pressure ........................ 270
Passing ............................ 152
Rear Servicing ....................... 558
Rear Tail ........................... 558
Seat Belt Reminder ................... 269
Security Alarm (Theft Alarm) ............ 274
Service ............................ 556
Side Marker ........................ 558
Theft Alarm (Security Alarm) ............ 274
Tire Pressure Monitoring (TPMS) ......... 275
Traction Control ..................... 429
Turn Signal .............. 89,151,270,557,558
Voltage ............................ 269
Warning (Instrument Cluster Description) . . . 269
Loading Vehicle ......................... 466
Tires .............................. 438
Locking Axle ........................... 395 Locks
Automatic Door ...................... 37
Child Protection ...................... 38
Door .............................. 34
Power Door ......................... 36
Lower Anchors and Tether for
CHildren (LATCH) ..................... 76,78
Lubrication, Body ....................... 526
Maintenance Free Battery .................. 521
Maintenance Procedures ................... 517
Maintenance Schedule .................... 564
Malfunction Indicator Light (Check Engine) . . 280,515
Manual Transmission .................. 376,539
Fluid Level Check .................... 540
Lubricant Selection ................... 539
Shift Speeds ........................ 377
Manual, Service ......................... 587
Master Cylinder (Brakes) .................. 535
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INDEX 601