Page 299 of 372

Normal  Maintenance Replacement 
Parts 
Replacement  part numbers listed  in this section are 
based  on the latest information  available at the time of 
printing, and are subject to  change. 
If a part  listed in this 
manual  is 
not the same  as  the  part used in your  vehicle 
when  it  was  built, or 
if you have  any questions,  please 
contact  your 
GM truck dealer. 
Oil  Filter.. 
......................... PF52 
Air  Cleaner  Filter 
.................. A 1 163C 
Automatic  Transmission 
Filter  Kit 
............ ... 24200796 
PCV  Valve 
...................... CV774C 
Spark Plugs 
....................... 41-932 
Spark 
Plug Gap ...... 0.060 inches (1.52 mm)  Fuel 
Filter 
... 
Radiator  Cap ....... 
Wiper Blades (Front) . 
Wiper Blade (Rear) . . 
. . GF481 
............ RC27 
. . 22110158,  Pin  Type 
. . 22154396,  Pin  Type 
Vehicle Dimensions* 
Wheelbase .............. 189.8 inches (482 cm) 
Width 
................... 77.5  inches (1 96.8 cm) 
Height. 
.................. 76.2  inches (193.5 cm) 
Wheelbase 
.............. 11  1.2  inches  (282.4 cm) 
Front  Tread  Width 
......... 65.1 inches (165.4 cm) 
Rear  Tread  Width 
........ 65.1  inches  (1 65.4 cm) 
*Figures reflect base equipment only. 
6-69  
         
        
        
     
        
        Page 328 of 372
100,000 Miles (1 66 000 km) 
0 Drain, flush and  refill cooling system 
(or every 
60 months since last service, 
whichever occurs first).  See “Engine 
Coolant” 
in the  Index  for what  to  use. 
Inspect hoses. Clean radiator, condenser, 
pressure cap  and  neck. Pressure test 
cooling  system  and  pressure cap. 
An Emission Control Service. 
0 Inspect spark plug wires. 
Cl Replace  spark plugs. 
An Emission Control Service. 
0 Inspect Positive Crankcase  Ventilation 
(Pcv)  valve. 
An Emission  Control Service. 
An Emission Control  Service. 
I DATE  SERVICED BY ACTUAL  MILEAGE 
Short 
TripKity  Maintenance  Schedule 
99,000 Miles (165 000 km) 
0 Change engine oil  and filter (or every 
3 months, whichever occurs first). 
An Emission  Control Service. 
0 Lubricate chassis components; see 
footnote 
# (or every 3 months, whichever 
occurs first). 
0 Check readfront  axle fluid level  and  add 
fluid  as needed. Check constant  velocity 
joints  and axle seals 
for leaking. ** 
DATE 
SERVICED BY: ACTUAL  MILEAGE 
7-28  
         
        
        
     
        
        Page 340 of 372
Long Trip/Highway M 
100,000 Miles (166 000 km) 
0 Drain, flush and  refill cooling system 
(or every 
60 months since last service, 
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. 3- 
0 Inspect spark  plug wires. 
An Emission  Control Service. 
0 Replace spark plugs. 
0 Inspect Positive Crankcase  Ventilation 
An Emission  Control Service. 
(PCV) valve. 
An Emission  Control Service. 
DATE 
SERVICED BY: ACTUAL  MILEAGE 
7-40  
         
        
        
     
        
        Page 348 of 372

USAGE 
Chassis 
Lubrication 
Front  Wheel 
Bearings 
Differential, 
Front  and  Rear 
Axle 
Transfer  Case 
Windshield 
Washer  Solvent 
FLUIDLUBRICANT 
Chassis  lubricant  (GM  Part 
No.  1052497 
or equivalent)  or 
lubricant  meeting  requirements  of 
’ NLGI  Grade 2, Category  LB  or 
GC-LB. 
Wheel  bearing  lubricant  meeting 
requirements 
of NLGI  Grade  2, 
Category  GC or GC-LB  (GM  Part 
No. 
105 1344  or equivalent). 
Axle  Lubricant  (GM  Part 
No.  105227  1)  or  SAE 
8OW-90 
GL-5 Gear Lubricant. 
DEXRON@-111  Automatic 
Transmission  Fluid. 
GM  Optikleen@  Washer  Solvent 
(GM  Part 
No. 1051515) 
or  equivalent. 
USAGE 
Hood Latch 
Assembly  Pivots, 
Spring  Anchor 
and  Release 
Pawl 
Hood  and  Door 
Hinges 
Weatherstrip 
Conditioning 
Gas  Line 
FLUIDLUBRICANT 
Lubriplate  lubricant  aerosol  (GM 
Part 
No. 12346293  or equivalent) 
or  lubricant  meeting  requirements 
of NLGI  Grade 2, Category  LB 
or  GC-LB. 
Multi-pu  ose lubricant, 
Superlube 
% (GM  Part 
No.  1234624 
1 or  equivalent). 
Dielectric  Silicone  Grease  (GM 
Part  No.  12345579  or equivalent). 
Gas  Line  De-Icer (GM  Part 
No.  105  15 
16). 
See “Replacement  Parts” in the  Index  for  recommended 
replacement  filters,  valves  and  spark  plugs.