Page 361 of 488

Every 30,000 Miles (50 000 km) 
Air Cleaner  Filter  Replacement 
Spark  Plug Replacement 
Fuel  Filter  Replacement 
Clutch 
Fork Ball  Stud  Lubrication  (5-Speed Manual Transmission  With 
Deep-Low  Only) 
Cooling  System  Service  (or every 
24 months, whichever  occurs  first) 
Every 50,000 Miles (83 000 km) 
Automatic  Transmission  Service  (severe  conditions only) 
Every 60,000 Miles (100 000 km) 
Engine Accessory  Drive Belt Inspection 
Spark Plug Wire Inspection 
Engine  Timing  Check 
Fuel Tank,  Cap and Lines Inspection 
Schedule 11 Definition - Gasoline  Engines  With  Light Duty 
Emissions 
Follow  Schedule I1 only if none of the conditions  from  Schedule I is true. 
Schedule  I1 Intervals - Gasoline Engines  With Light  Duty 
Emissions 
Every 
7,500 Miles (12 500 km) 
Engine  Oil and  Filter  Change  (or  every 12 months, whichever  occurs  first) 
Chassis  Lubrication  (or every 
12 months, whichever  occurs  first) 
Drive  Axle Service 
At 7,500 Miles (12 500 km) - Then  Every 15,000 Miles (25 000 km) 
Tire Rotation 
7-5 
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Every 30,000 Miles (50 000 km) 
Cooling System Service (or every 24 months) 
Spark  Plug Replacement 
Fuel  Filter  Replacement 
Air  Cleaner  Filter Replacement 
Front Wheel Bearing Repack 
Every 50,000 Miles (83 000 km) 
Automatic Transmission Service (severe conditions  only) 
Every 60,000 Miles (100 000 km) 
Spark  Plug Wire Inspection 
Engine  Accessory Drive Belt Inspection 
Fuel Tank, 
Cap and  Lines Inspection 
Engine  Timing Check 
Schedule 1 Definition - Gasoline  Engines  With  Heavy  Duiy 
Emissions 
I 
Follow Maintenance  Schedule I if any  one of these is true for your vehicle: 
0 Most  trips are less than 5 to 10 miles (8 to 16 km).  This  is particularly 
important  when outside  temperatures  are below freezing. 
Most  trips include extensive idling (such as frequent driving in stop and 
go traffic). 
You operate your vehicle  in dusty areas  or off-road  frequently. 
You frequently tow  a trailer. 
Schedule 
I should also be followed if the vehicle  is  used for delivery 
service,  police, taxi,  or  other  commercial application. 
7-6 
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        Page 363 of 488

Schedule I Intervals - Gasoline Engines  with  Heavy  Duty 
Emissions 
Every 
3,000 Miles  (5 000 km) 
Engine Oil  and Filter  Change  (or every 3 months, whichever  occurs  first) 
Chassis  Lubrication  (or every 
3 months,  whichever  occurs  first) 
Drive Axle  Service 
At 6,000 Miles (10 000 km) - Then  Every 12,000 Miles (25 000 km) 
Tire Rotation 
Every 12,000 Miles (20 000 km) 
Air Cleaner  Filter Inspection, if Driving in Dusty  Conditions 
Front Wheel  Bearing Repack  (or  at Each Brake Relining)  (2-Wheel Drive 
Only 
1 
Fuel Filter  Replacement 
Engine Accessory  Drive  Belt Inspection 
Shields 
and Underhood  Insulation  Inspection 
Thermostatically  Controlled  Engine Cooling  Fan Check  (or every 
12 
months, whichever  occurs  first) 
Every 24,000 Miles  (40 000 km) 
Cooling  System  Service  (or  every 24 months, whichever  occurs  first) 
Air  Cleaner  Filter Replacement 
Engine  Timing  Check 
Thermostatically  Controlled  Air Cleaner Inspection 
Air Intake  System Inspection 
Every 27,000 Miles (45 000 km) 
Spark Plugs Replacement 
Every 30,000 Miles  (50 000 km) 
Clutch Fork  Ball Stud Lubrication  (%Speed  Transmission with Deep-Low 
Only) 
7-7 
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        Page 365 of 488

Every 24,000 Miles (40 000 km) 
Cooling  System  Service (or every  24 months,  whichever  occurs  first) 
Air  Cleaner  Filter Replacement 
Front Wheel  Bearing Repack  (or at Each  Brake  Relining)  (2-Wheel Drive 
Only 
1 
Fuel Filter  Replacement 
Engine  Timing Check 
Thermostatically  Controlled Air  Cleaner  Inspection 
Air Intake  System Inspection 
Every 27,000 Miles (45 000 km) 
Spark  Plugs  Replacement 
Every 30,000 Miles (50 000 km) 
Clutch Fork Ball Stud Lubrication  (5-Speed Transmission with Deep-Low 
Only) 
Every 50,000 Miles (83 000 km) 
Automatic  Transmission  Service 
Every 60,000 Miles (100 000 km) 
Spark Plug Wire Inspection 
Exhaust 
Gas Recirculation  (EGR) System Inspection 
Fuel  Tank,  Cap and Lines  Inspection 
Evaporative  Emission  Control  System Inspection 
Electronic  Vacuum Regulator  Valve (EVRV) Inspection 
Schedule I Definition - Diesel Engines 
Follow  Maintenance  Schedule I if any one of these is true  for your  vehicle: 
0 
0 
0 
0 
Most trips  are less  than 5 to 10 miles (8 to 16 km).  This is particularly 
important  when outside  temperatures  are  below freezing. 
Most trips  include  extensive  idling  (such as  frequent  driving 
in stop and 
go traffic). 
You  operate  your  vehicle 
in dusty  areas or off-road  frequently. 
You  frequently  tow 
a trailer. 
Schedule I should also be followed if the vehicle is used for delivery 
service.  Dolice, taxi, 
or other commercial  application. 
7-9 
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        Page 366 of 488

I Schedule  I  Intervals - Diesel  Engines I 
Every 2,500 Miles (4 000 km) 
Engine Oil  and Filter  Change  (or every 3 months, whichever occurs  first) 
Chassis  Lubrication  (or every 
3 months, whichever  occurs  first) 
Air  Cleaner  Filter Inspection. 
if Driving in Extremely Dusty or Dirty 
(Off-Road)  Conditions 
Every 5,000 Miles (8 000 km) 
Drive Axle Service 
Every 7,500 Miles (12 000 km) 
Air Cleaner Filter Inspection, if Driving in Dusty Conditions 
At 7,500 Miles (12 000 km) - Then  Every 15,000 Miles  (24 000 km) 
Tire Rotation 
Every 10,000 Miles (I 6 000 km) 
Shields  and Underhood Insulation Inspection 
Thermostatically  Controlled Engine Cooling  Fan Check  (or every 
12 
months,  whichever  occurs  first) 
Air Intake System Inspection 
Every 15,000 Miles  (24 000 km) 
Air Cleaner  Filter Replacement 
Front Wheel Bearing Repack 
(or at  Each  Brake Relining)  (2-Wheel  Drive 
Only j 
Every 30,000 Miles (50 000 km) 
Clutch Fork Ball Stud Lubrication  (%Speed  Transmission  with  Deep-Low 
Only:) 
Fuel Filter  Replacement 
Cooling 
System Service (or every 24 months, whichever  occurs  first) 
Every 50,000 Miles (80 000 km) 
Automatic Transmission Service 
7- 10 
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        Page 367 of 488

Every 60,000 Miles (100 000 km) 
Crankcase Depression  Regulator Valve (CDRV)  System  Check 
Engine  Accessory  Drive Belt Inspection 
Fuel Tank,  Cap and Lines  Inspection 
Evaporative  Control System Inspection 
Exhaust  Gas Recirculation  (EGR) System  Inspection 
(if equipped) 
Exhaust  Pressure  Regulator Valve Inspection 
I Schedule 11 Definition - Diesel Engines 
Follow  Schedule II on!\- if none ofrhe conditions i'wm Schcdtilc I Is truc. 
-- 
I Schedule  I1 lntervals - Diesel  Engines 1 
Every 5,000 Miles (8 000 km) 
Engine Oil and Filter  Change (or every 12 months, whichever  occurs  first) 
Chassis  Lubrication 
(or every 12 months,  whichever  occurs  first) 
Drive  Axle Service 
At 5,000 Miles (8 000 km) - Then  Every 10,000 Miles (16 000 km) 
Tire Rotation 
Every 10,000 Miles (16 000 km) 
Shields  and Underhood  insulation  Inspection 
Air Intake  System Inspection 
Thermostatically  Controlled Engine  Cooling  Fan Check  (or every 
I2 
months,  whichever  occurs  first) 
Every 30,000 Miles (48 000 km) 
Cooling  System  Service  (or every 24 months,  whichever  occurs  first) 
Front Wheel  Bearing Repack  (or 
at Each Brake  Relining)  (2-Wheel  Drive 
Fuel  Filter  Replacement 
Air  Cleaner  Filter Replacement 
Clutch Fork  Ball  Stud Lubrication  (5-Speed Transmission  with  Deep-Low 
Only) 
Only) 
7-11 
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Maintenance  Schedule I - Gasoline  Engines  With 
Light  Duty  Emissions 
12,000 Miles (20 000 km) 
0 Change  engine  oil and filter (or every 3 months, whichever  occurs 
first). 
An  Emission  Control  Sewice. 
0 Lubricate the front  suspension,  king pin bushings, steering linkage, 
transmission  shift  linkage,  transfer  case  shift linkage, parking brake 
cable  guides,  rear driveline  center  splines,  front  axle propshaft splines, 
brake  pedal springs  and clutch pedal  springs. Ball  joints and lung  pin 
bushings  should not  be lubricated  unless their temperature  is 
10" F 
(-12" C), or higher.  When  weather  is cold,  let the ball  joints and king 
pin  bushings  warm up  before  lubrication  or they  could  be damaged. 
Perform each  of the listed lubrication  service  items at this mileage 
interval  (or every 
6 months, whichever  occurs  first). 
0 Check  readfront axle fluid level and  add fluid as needed. Check 
constant  velocity joints and axle  seals  for  leaking. 
** 
I DATE I ACTUALMILEAGE I SERVICED BY: I 
15,000 1 Ies (25 000 km) 
0 Change  engine  oil and  filter  (or  every 3 months, whichever  occurs 
first). 
An Emission  Control  Service. 
Lubricate  the front  suspension,  king pin bushings,  steering linkage, 
transmission  shift  linkage,  transfer  case  shift linkage,  parking brake 
cable  guides,  rear driveline  center  splines,  front  axle  propshaft splines, 
brake pedal  springs  and  clutch pedal springs.  Ball joints  and  king pin 
bushings  should not  be lubricated unless their temperature  is  10" 
F 
(-1 2 O C), or higher.  When  weather  is cold,  let  the ball joints and king 
pin  bushings  warm  up before lubrication  or they could be  damaged. 
Perform  each 
of the listed lubrication  service items at this mileage 
interval  (or every 
6 months,  whichever  occurs  first). 
0 Inspect air cleaner  filter  if you are driving  in dusty  conditions.  Replace 
filter  if necessary. 
An Emission  Control  Service. 
(Continued) 
7-15 
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LI 
c 
Maintenance Schedule I - Gasoline  Engines  With 
Light  Duty  Emissions 
(Contimed) 
Drain, flush  and refill  cooling  system (or every 24 months, whichever 
occurs  first).  See  "Engine  Coolant'' 
in the lndex  for what to use. 
Inspect hoses. Clean radiator. condenser. pressure  cap and  neck. 
Pressure  test 
the cooling system and pressure  cap. An Emission  Control 
Service. 
For 2-Wheel Drive vehicles  only: Clean  and repack  the front  wheel 
bearings  (or at each brake relining, whichever  occurs  first). 
Replace  spark plugs. 
An E~~zissior~ Corztrol Ser-vice. 
Replace  air cleaner filter.  Replace  filter more often under dusty 
conditions. 
An Emission Cor~tr-01 Service. 
Rotate tires.  See "Tire  Inspection  and Rotation" in the lndex for proper 
rotation pattern  and additional information. 
I DATE I ACTUAL MILEAGE I SERVICED BY: 
33,000 Miles (55 000 km) 
0 Change  engine  oil and  filter  (or every 3 months, whichever  occurs 
first). 
An Er7rissiou Contmi Service. 
0 Lubricate  the front  suspension,  king pin bushings, steering  linkage, 
transmission  shift  linkage, transfer case shift linkage,  parking brake 
cable  guides,  rear driveline  center  splines,  front  axle propshaft  splines, 
brake pedal  springs  and clutch pedal  springs. 
Ball joints  and king  pin 
bushings  should  not  be lubricated  unless their temperature  is 
10" F 
(-I 2" C), or higher.  When  weather is cold, let  the ball joints  and king 
pin bushings  warm up before lubrication  or they could be damaged. 
Perform 
each of the listed lubrication  service items  at this mileage 
interval  (or every 
6 months,  whichever  occurs  first). 
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