
Downloaded from www.Manualslib.com manuals search engine Crankcase  Capacity 
ENGINE 
5.7L 
6.5L 
6.5L 
7.4L 
VIN 
K 
S 
F 
N 
QUANTITY WITH 
FILTER? 
5 Quarts (4.8  Liters) 
7  Quarts  (6.5  Liters) 
7  Quarts  (6.5  Liters) 
7  Quarts  (6.5  Liters) 
After  refill, the level 
MUST be checked  as  outlined  under “Engine Oil And 
Filter  Recommendations” 
in Section 5. 
All  quantities  are  approximate. 
?Oil  filter  should  be changed  at  EVERY  oil change. 
Fuel  Tank  Capacity 
TYPE 
Gasoline/Diesel 
Utility Models - Standard 
Suburban 
- Standard 
QUANTITY 
30 Gallons ( I 1 3 Liters) 
42  Gallons 
( I59 Liters) 
All  quantities  are  for  a  completely  dry tank and  are  approximate. 
Service  Replacement  Part  and  Filter 
Recommendations 
- Gasoline  Engines 
Engine 
VIN 
Oil  Filter 
Air  Cleaner  Filter 
PCV Valve 
Spark  Plugs” 
Fuel Filter 
Radiator  Cap 
5.7L 
K 
PF1218T  A348C 
cv774c 
CR43TS 
GF48 1 
RC36 
?Four  Wheel  Drive Vehicle 
- use a PF52 oil filter 
*Use  AC copper-cored  resistor type spark plugs 
7.4L 
N 
PF1218 
A348C 
cv774c 
.CR43TS  GF48 
1 
RC36   

Downloaded from www.Manualslib.com manuals search engine 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) 
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 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 
Tmk, Cap and Lines Inspection 
Evaporative  Control  System  Inspection 
Electronic  Vacuum Regulator  Valve (EVRV) Inspection 
7-7   

Downloaded from www.Manualslib.com manuals search engine Every 27,000 Miles (45 000 km) 
Spark  Plugs Replacement 
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 
1 Schedu/e  I  Definition - Diesel  Engines I 
Follow Maintenance  Schedule  I if any  one of these  is true  for your vehicle: 
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 
You operate  your  vehicle in dusty  areas  or  off-road frequently. 
go 
traffic). 
0 You frequently  tow a trailer  or use a  carrier on top of your  vehicle, 
Schedule 
I should  also be followed if the vehicle  is  used for delivery 
service,  police, taxi,  or other  commercial  application. 
7-9   

Downloaded from www.Manualslib.com manuals search engine Maintenance Schedule I - Gasoline Engines With 
Light  Duty  Emissions 
30,000 Miles (50  000 km) 
0 
0 
0 
0 
0 
0 
0 
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 
(-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). 
Check  redfront  axle  fluid level and add 
fluid as needed. Check 
constant  velocity joints and axle  seals  for  leaking.‘$* 
Drain,  flush  and refill cooling system (or every 
24 months, whichever 
occurs  first). See “Engine Coolant’’ 
in the Index  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  Emission  Control Service. 
Replace  air  cleaner  filter. Replace  filter more often under dusty 
conditions. 
An Em.ission Control Service. 
Rotate  tires. See “Tire Inspection  and Rotation” in the Index for proper 
rotation pattern and additional information. 
DATE  SERVICED BY: ACTUAL  MILEAGE 
L 
7-1 9   

Downloaded from www.Manualslib.com manuals search engine Maintenance  Schedule I - Gasoline  Engines  With 
Light  Duty  Emissions 
(Continued) 
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 
60,000 Miles (100 000 km) 
0 Change engine oil and filter  (or  every 3 months, whichever  occurs 
first). 
An Emission Control 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 
(-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). 
17 Check readfront  axle  fluid level and add fluid as needed. Check 
constant  velocity joints and axle  seals  for  leaking.** 
0 For 2-Wheel  Drive vehicles only: Clean and repack the front wheel 
bearings  (or at each brake relining, whichever  occurs  first). 
0 Inspect engine accessory  drive belt. An Emission  Control Service. 
0 Drain, flush and refill  cooling system (or every 24 months, whichever 
occurs  first).  See  “Engine Coolant” 
in the Index 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. 
0 Replace spark plugs. An Emission  Control Service. 
(Continued) 
7-26   

Downloaded from www.Manualslib.com manuals search engine I 
Maintenance  Schedule II - Gasoline  Engines  With 
Light  Duty  Emissions 
30,000 Miles (50 000 km) 
0 
0 
0 
0 
0 
0 
0 
Change  engine oil and  filter  (or  every 12 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 
(-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 
12 months, whichever  occurs  first). 
Check  readfront  axle 
fluid level and add fluid  as needed. Check 
constant  velocity joints and axle  seals  for leaking.** 
For  2-Wheel  Drive vehicles  only: Clean and repack the 
front wheel 
bearings  (or at each brake relining, whichever occurs first). 
Drain, 
flush and refill  cooling system (or every 24 months, whichever 
occurs  first).  See  "Engine Coolant"  in the Index  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. 
Replace spark plugs. An  Emission  Control Service. 
Replace air  cleaner filter. An Emission  Control Service. 
I DATE I ACTUALMILEAGE I SERVICED BY:   

Downloaded from www.Manualslib.com manuals search engine Maintenance  Schedule II - Gasoline  Engines  With 
Light  Duty  Emissions 
I 
(Continued) 
0 
0 
0 
Check  readfront  axle  fluid level and add fluid as needed. Check 
constant  velocity joints and axle  seals for leaking.:k* 
For  2-Wheel  Drive vehicles  only: Clean  and repack the front wheel 
bearings 
(or at  each brake relining, whichever occurs  first). 
Inspect  engine accessory  drive belt. 
An Emission  Control Service. 
Drain, flush and refill cooling system  (or every 24 months, whichever 
occurs  first).  See “Engine Coolant” 
in the Index for  what to use. 
Inspect hoses. Clean radiator,  condenser, pressure cap and neck. 
Pressure test the cooling system and pressure  cap. 
An Enzissian Control 
Service. 
Replace spark  plugs. An Emission  Control Service. 
Replace  air cleaner filter. An Enzission Control Service. 
Inspect fuel tank,  cap and lines  for damage  or leaks. Inspect fuel  cap 
gasket  for any damage. Replace parts  as needed. 
An  Emission  Control 
Service. 
DATE  ACTUAL  MILEAGE  SERVICED BY   

Downloaded from www.Manualslib.com manuals search engine I 
Maintenance  Schedule I - Gasoline  Engines  Heavy 
Duty Emissions 
27,000 Miles (45 000 km) 
Change engine oil and  filter  (or  every 3 months, whichever  occurs 
first). 
An Emission Control 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 
(-1 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  12 
months, whichever  occurs first). 
0 Check readfront  axle  fluid level  and add fluid  as needed. Check 
constant  velocity joints and axle  seals  for leaking.** 
0 Replace spark plugs. An Emission Control Service. 
DATE  SERVICED BY: ACTUAL  MILEAGE 
30,000 Miles (50 000 km) 
0 
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" 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 
12 months, whichever  occurs  first). 
(Continued) 
7-42