Downloaded from www.Manualslib.com manuals search engine NAME 
DRL** 
PWR 
MIRRORS* 
TRAILER* 
CIRCUITS 
PROTECTED 
Canadian  Daytime  Running 
Lights 
Power  Mirror 
Trailer  Wiring  Harness 
FUSE 
10 Amp 
3  Amp 
30  Amp 
*In-line  fuse 
**Canada  only 
***In-line  fuse (certain  models) 
Service  Replacement  Part  and  Filter 
Recommendations 
ENGINE  (VIN) 
OIL  FILTER 
AIR  CLEANER  FILTER 
PCV  VALVE 
SPARK  PLUGS* 
FUEL  FILTER 
RADIATOR  CAP 4.3L (2) 
PF52 
A773C 
CV789C 
.CR43TSM 
GF48 
1 
RC36 
*Use  copper-cored  resistor type  spark  plugs. 
CIRCUIT 
BREAKER 
4.3L 
(W) 
PF52 
A1163C 
cv774c 
.CR43TSM  GF48 
1 
RC36 
6-74   
Downloaded from www.Manualslib.com manuals search engine 6. TRANSMISSION  SERVICE: - Change the transmission fluid  and 
filter  every 
15,000 miles (25 000 km) if the  vehicle  is mainly driven 
under 
one or  more  of these  conditions: 
In  heavy city traffic. 
Where  the outside  temperature regularly reaches 90 “F (32” C)  or 
In hilly or mountainous  terrain. 
higher. 
Frequent trailer pulling. 
0 Uses 
such as taxi, police, delivery  or other  commercial  service. 
If  the  vehicle 
is not used mainly under any  of these conditions,  change 
the  fluid  and filter  every 
30,000 miles (50 000 km). See “Automatic 
Transmission Fluid” in the Index  for more information. 
7. FUEL  FILTER  REPLACEMENT*$ - Replace  the fuel  filter  at  the 
specified  interval or sooner  if clogged. 
8. SPARK  PLUG  REPLACEMENT* - Replace  spark plugs with the 
type  listed in  Section 
6. See “Specification  Charts” in the Index. 
9. SPARK  PLUG  WIRE  INSPECTION* - Clean wires and inspect 
for  bums,  cracks  or  other  damage.  Check  the wire boot fit at the 
distributor  and at the  spark  plugs.  Replace  wires as needed. 
Adjust  timing to underhood label specifications. Inspect the inside  and 
outside 
of the distributor  cap and rotor  for cracks, carbon tracking and 
corrosion.  Clean  or  replace  as needed. 
10. ENGINE TIMING  CHECK  AND  DISTRIBUTOR  CHECK*$ - 
11. FUEL TANK,  CAP  AND  LINES  INSPECTION*$ - Inspect the 
fuel  tank,  cap and  lines  for  damage  or leaks.  Remove  fuel cap,  inspect 
gasket  for  an  even  filler  neck imprint, and any damage.  Replace parts 
as needed. 
12. ENGINE  ACCESSORY  DRIVE  BELT  INSPECTION* - Inspect 
belt. 
Look for  cracks,  fraying,  wear, and proper tension. Adjust  or 
replace  as needed. 
* An  Emission  Control  Service 
$ The  California  Air  Resources  Board  has  determined  that  the  failure  to  perform \
 this 
maintenance  item  will  not  nullify  the  emission  warranty  or limit  recall  liability  prior  to  the 
completion  of vehicle  useful  life.  General  Motors,  however,  urges  that  all  re\
commended 
maintenance  services  be  performed  at  the  indicated  intervals  and\
  the  maintenance  be 
recorded. 
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