2004 JEEP WRANGLER air filter

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Page 221 of 299

JEEP WRANGLER 2004 TJ / 2.G Owners Manual MAINTAINING YOUR VEHICLE
CONTENTS
m2.4L Engine..........................223
m4.0L Engine..........................224
mOnboard Diagnostic System Ð OBD II......225
mEmissions Inspection And
Maintenanc

Page 231 of 299

JEEP WRANGLER 2004 TJ / 2.G Owners Manual Materials Added To Engine Oils
The manufacturerstrongly recommendsagainst the ad-
dition of any additives (other than leak detection dyes) to
engine oil. Engine oil is an engineered product and its
p

Page 234 of 299

JEEP WRANGLER 2004 TJ / 2.G Owners Manual Crankcase Emission Control System
Proper operation of this system depends on freedom
from sticking or plugging due to deposits. As vehicle
mileage builds up, the PCV valve and passages may
accumulate

Page 265 of 299

JEEP WRANGLER 2004 TJ / 2.G Owners Manual Schedule ªBº
Follow this schedule if you usually operate your vehicle
under one or more of the following conditions.
²Day or night temperatures are below 32ÉF (0ÉC)
²Stop and go driving
²Excess

Page 266 of 299

JEEP WRANGLER 2004 TJ / 2.G Owners Manual Miles 18,000 21,000 24,000 27,000 30,000
(Kilometers) (29 000) (34 000) (38 000) (43 000) (48 000)
Change the engine oil and engine oil filter. X X X X X
Inspect the engine air filter element, replace

Page 267 of 299

JEEP WRANGLER 2004 TJ / 2.G Owners Manual Miles 33,000 36,000 39,000 42,000 45,000
(Kilometers) (53 000) (58 000) (62 000) (67 000) (72 000)
Change the engine oil and engine oil filter. X X X X X
Inspect the engine air filter element, replace

Page 268 of 299

JEEP WRANGLER 2004 TJ / 2.G Owners Manual Miles 48,000 51,000 54,000 57,000 60,000
(Kilometers) (77 000) (82 000) (86 000) (91 000) (96 000)
Change the engine oil and engine oil filter. X X X X X
Inspect the engine air filter element, replace

Page 269 of 299

JEEP WRANGLER 2004 TJ / 2.G Owners Manual Miles 63,000 66,000 69,000 72,000 75,000
(Kilometers) (101 000) (106 000) (110 000) (115 000) (120 000)
Change the engine oil and engine oil filter. X X X X X
Inspect the engine air filter element, re
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