Jeep TJ (2006 year). Manual — part 21

Schedule “B”
Follow this schedule if you usually operate your vehicle
under one or more of the following conditions.

• Day or night temperatures are below 32°F (0°C)
• Stop and go driving
• Excessive engine idling
• Driving in dusty conditions
• Short trips 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)

• Trailer towing
• Taxi, police, or delivery service (commercial service)

• Off-road or desert driving
• If equipped for and operated with E-85 (ethanol)

fuel.

NOTE:

If ANY 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:

If ANY 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.

SCHEDULE “B”

321

8

M

A

I

N

T
E

N
A
N
C

E

S
C
H
E
D
U
L
E
S

Miles

3,000

6,000

9,000

12,000

15,000

(Kilometers)

(5 000)

(10 000)

(15 000)

(20 000)

(25 000)

Change the engine oil and engine oil filter, if not
replaced at 3 months.

X

X

X

X

X

Rotate the tires.

X

X

Inspect the engine air filter element, replace if
necessary.

X

Lubricate the steering linkage tie rod ends.

X

X

X

X

X

Lubricate the steering and suspension ball joints.

X

X

Inspect the brake linings.

X

Drain and refill the front and rear axle fluid‡

X

322

SCHEDULE “B”

8

M

A

I

N

T
E

N
A
N
C

E

S
C
H
E
D
U
L
E
S

Miles

18,000

21,000

24,000

27,000

30,000

(Kilometers)

(30 000)

(35 000)

(40 000)

(45 000)

(50 000)

Change the engine oil and engine oil filter, if not
replaced at 3 months.

X

X

X

X

X

Rotate the tires.

X

X

X

Inspect the engine air filter element, replace if
necessary.

X

Inspect the PCV Valve, and replace if necessary.

〫

X

Replace the spark plugs.

X

Lubricate the steering linkage tie rod ends.

X

X

X

X

X

Lubricate the steering and suspension ball joints.

X

X

X

Inspect the brake linings.

X

Drain and refill the front and rear axle fluid‡

X

Inspect the manual transmission fluid, add as nec-
essary.

X

Inspect the transfer case fluid, add if necessary.

X

SCHEDULE “B”

323

8

M

A

I

N

T
E

N
A
N
C

E

S
C
H
E
D
U
L
E
S

Miles

33,000

36,000

39,000

42,000

45,000

(Kilometers)

(55 000)

(60 000)

(65 000)

(70 000)

(75 000)

Change the engine oil and engine oil filter, if not
replaced at 3 months.

X

X

X

X

X

Rotate the tires.

X

X

Inspect the engine air filter element, replace if
necessary.

X

Lubricate the steering linkage tie rod ends.

X

X

X

X

X

Lubricate the steering and suspension ball joints.

X

X

Inspect the brake linings.

X

Drain and refill the front and rear axle fluid‡

X

Inspect the drive belt and replace as needed.

X

324

SCHEDULE “B”

8

M

A

I

N

T
E

N
A
N
C

E

S
C
H
E
D
U
L
E
S

Miles

48,000

51,000

54,000

57,000

60,000

(Kilometers)

(80 000)

(85 000)

(90 000)

(95 000)

(100 000)

Change the engine oil and engine oil filter, if not
replaced at 3 months.

X

X

X

X

X

Rotate the tires.

X

X

X

Inspect the engine air filter element, replace if
necessary.

X

Inspect the PCV Valve, and replace if necessary.

〫

X

Replace the ignition cables (2.4L Only).

X

Replace the spark plugs.

X

Lubricate the steering linkage tie rod ends.

X

X

X

X

X

Lubricate the steering and suspension ball joints.

X

X

X

Inspect the brake linings.

X

X

Drain and refill the front and rear axle fluid‡

X

X

Inspect manual transmission fluid, add as neces-
sary.

X

Drain and refill the automatic transmission fluid,
and change filter.†

X

SCHEDULE “B”

325

8

M

A

I

N

T
E

N
A
N
C

E

S
C
H
E
D
U
L
E
S

Miles

48,000

51,000

54,000

57,000

60,000

(Kilometers)

(80 000)

(85 000)

(90 000)

(95 000)

(100 000)

Inspect the drive belt and replace as needed. Not
required if belt was previously.

X

Drain and refill the transfer case fluid.

X

Flush and replace the engine coolant/anti-freeze.

X

326

SCHEDULE “B”

8

M

A

I

N

T
E

N
A
N
C

E

S
C
H
E
D
U
L
E
S

Miles

63,000

66,000

69,000

72,000

75,000

(Kilometers)

(105 000)

(110 000)

(115 000)

(120 000)

(125 000)

Change the engine oil and engine oil filter, if not
replaced at 3 months.

X

X

X

X

X

Rotate the tires.

X

X

Inspect the engine air filter element, replace if
necessary.

X

Lubricate the steering linkage tie rod ends.

X

X

X

X

X

Lubricate the steering and suspension ball joints.

X

X

Inspect the brake linings.

X

Drain and refill the front and rear axle fluid‡

X

Inspect the drive belt and replace as needed. Not
required if belt was previously replaced.

X

SCHEDULE “B”

327

8

M

A

I

N

T
E

N
A
N
C

E

S
C
H
E
D
U
L
E
S

Miles

78,000

81,000

84,000

87,000

90,000

(Kilometers)

(130 000)

(135 000)

(140 000) (145 000) (150 000)

Change the engine oil and engine oil filter, if not replaced
at 3 months.

X

X

X

X

X

Rotate the tires.

X

X

X

Inspect the engine air filter element, replace if necessary.

X

Inspect the PCV Valve, and replace if necessary.

〫

X

Replace the spark plugs.

X

Lubricate the steering linkage tie rod ends.

X

X

X

X

X

Lubricate the steering and suspension ball joints.

X

X

X

Replace the timing belt (2.4L Only)

〫.

X

Inspect the brake linings.

X

Drain and refill the front and rear axle fluid‡

X

Inspect the drive belt and replace as needed. Not required
if belt was previously replaced.

X

Inspect the manual transmission fluid, add as necessary.

X

Inspect the transfer case fluid, add if necessary.

X

328

SCHEDULE “B”

8

M

A

I

N

T
E

N
A
N
C

E

S
C
H
E
D
U
L
E
S

Miles

93,000

96,000

99,000

102,000

105,000

(Kilometers)

(155 000)

(160 000)

(165 000)

(170 000)

(175 000)

Change the engine oil and engine oil filter, if not
replaced at 3 months.

X

X

X

X

X

Rotate the tires.

X

X

Inspect the engine air filter element, replace if
necessary.

X

Lubricate the steering linkage tie rod ends.

X

X

X

X

X

Lubricate the steering and suspension ball joints.

X

X

Inspect the brake linings.

X

Drain and refill the front and rear axle fluid‡

X

Inspect the drive belt and replace as needed. Not
required if belt was previously replaced.

X

Flush and replace the engine coolant/anti-freeze, if
not done at 60,000 miles (96 000 km).

X

SCHEDULE “B”

329

8

M

A

I

N

T
E

N
A
N
C

E

S
C
H
E
D
U
L
E
S

Miles

108,000

111,000

114,000

117,000

120,000

(Kilometers)

(180 000)

(185 000)

(190 000)

(195 000)

(200 000)

Change the engine oil and engine oil filter, if not
replaced at 3 months.

X

X

X

X

X

Rotate the tires.

X

X

X

Inspect the engine air filter element, replace if
necessary.

X

Inspect the PCV Valve, and replace if necessary.

〫

X

Replace the spark plugs.

X

Replace the ignition cables (2.4L Only).

X

Lubricate the steering linkage tie rod ends.

X

X

X

X

X

Lubricate the steering and suspension ball joints.

X

X

X

Inspect the brake linings.

X

X

Drain and refill the front and rear axle fluid‡

X

X

Inspect the manual transmission fluid, add as nec-
essary.

X

Drain and refill the automatic transmission fluid,
and replace main sump filter.†

X

330

SCHEDULE “B”

8

M

A

I

N

T
E

N
A
N
C

E

S
C
H
E
D
U
L
E
S

Miles

108,000

111,000

114,000

117,000

120,000

(Kilometers)

(180 000)

(185 000)

(190 000)

(195 000)

(200 000)

Inspect the drive belt and replace as needed. Not
required if belt was previously replaced.

X

Drain and refill the transfer case fluid.

X

Flush and replace the engine coolant/anti-freeze, if
not replaced at 102,000 miles (170 000 km).

X

Inspection and service should also be performed anytime
a malfunction is observed or suspected. Retain all re-
ceipts.

† Applies only if vehicle is used for frequent trailer
towing or fleet/commercial service.

〫 This maintenance is recommended by the manufac-
turer to the owner, but is not required to maintain
emissions warranty.

‡Off-highway operation, trailer towing, taxi, limousine,
bus, snow plowing, or other types of commercial service
or prolonged operation with heavy loading, especially in
hot weather, require front and rear axle service indicated
with a ‡ in Schedule “B”. Perform these services if the
vehicle is usually operated under these conditions.

SCHEDULE “B”

331

8

M

A

I

N

T
E

N
A
N
C

E

S
C
H
E
D
U
L
E
S

Schedule “A”

Miles

6,000

12,000

18,000

24,000

30,000

(Kilometers)

(10 000)

(20 000)

(30 000)

(40 000)

(50 000)

[Months]

[6]

[12]

[18]

[24]

[30]

Change the engine oil and engine oil filter.

X

X

X

X

X

Rotate the tires.

X

X

X

X

X

Inspect the engine air filter element, and replace
if necessary.

X

Replace the spark plugs.

X

Lubricate the steering linkage joints and outer tie
rod ends.

X

X

X

X

X

Lubricate the steering and suspension ball joints.

X

X

Inspect the brake linings.

X

Inspect the manual transmission fluid, add as nec-
essary.

X

Inspect the transfer case fluid.

X

332

SCHEDULE “A”

8

M

A

I

N

T
E

N
A
N
C

E

S
C
H
E
D
U
L
E
S

Miles

36,000

42,000

48,000

54, 000

(Kilometers)

(60 000)

(70 000)

(80 000)

(90 000)

[Months]

[36]

[42]

[48]

[54]

Change the engine oil and engine oil filter.

X

X

X

X

Rotate the tires.

X

X

X

X

Lubricate the steering and suspension ball joints.

X

X

Lubricate the steering linkage joints and outer tie rod
ends.

X

X

X

X

Inspect the brake linings.

X

X

SCHEDULE “A”

333

8

M

A

I

N

T
E

N
A
N
C

E

S
C
H
E
D
U
L
E
S

Miles

60,000

66,000

72,000

78,000

(Kilometers)

(100 000)

(110 000)

(120 000)

(130 000)

[Months]

[60]

[66]

[72]

[78]

Change the engine oil and engine oil filter.

X

X

X

X

Rotate the tires.

X

X

X

X

Inspect the engine air filter element, and replace if nec-
essary.

X

Inspect the PCV Valve, and replace if necessary.

〫

X

Replace the ignition cables (2.4L Only).

X

Replace the spark plugs.

X

Lubricate the steering linkage joints and outer tie rod
ends.

X

X

X

X

Lubricate the steering and suspension ball joints.

X

X

Inspect the brake linings.

X

Inspect the drive belt, and replace as needed.

X

Inspect the drive belt, and replace as needed. Not re-
quired if belt was previously replaced.

X

334

SCHEDULE “A”

8

M

A

I

N

T
E

N
A
N
C

E

S
C
H
E
D
U
L
E
S

Miles

60,000

66,000

72,000

78,000

(Kilometers)

(100 000)

(110 000)

(120 000)

(130 000)

[Months]

[60]

[66]

[72]

[78]

Flush and replace the engine coolant/anti-freeze.

X

Inspect the manual transmission fluid, add as necessary.

X

Inspect transfer case fluid.

X

SCHEDULE “A”

335

8

M

A

I

N

T
E

N
A
N
C

E

S
C
H
E
D
U
L
E
S

Miles

84,000

90,000

96,000

102, 000

(Kilometers)

(140 000)

(150 000)

(160 000)

(170 000)

[Months]

[84]

[90]

[96]

[102]

Change the engine oil and engine oil filter.

X

X

X

X

Rotate the tires.

X

X

X

X

Inspect the engine air filter element, and replace if necessary.

X

Inspect the PCV Valve, and replace if necessary.

〫

X

Replace the spark plugs.

X

Lubricate the steering linkage joints and outer tie rod ends.

X

X

X

X

Lubricate the steering and suspension ball joints.

X

X

Inspect the brake linings.

X

Inspect the drive belt, and replace as needed. Not required if
previously replaced.

X

X

Flush and replace the engine coolant/anti-freeze if not done at
60 months.

X

Inspect the manual transmission fluid, add as necessary.

X

Inspect the transfer case fluid.

X

336

SCHEDULE “A”

8

M

A

I

N

T
E

N
A
N
C

E

S
C
H
E
D
U
L
E
S