GMC 1986 P-Truck Service Manual page 31

SECTION A-SCHEDULED MAINTENANCE SERVICES FOR YOUR 1986 VEHICLE WITH HEAVY DUTY EMISSIONS - OVER 8600 GVWR (EXCEPT CALIFORNIA)
The services shown in this schedule up to 60,000 miles (100 000 km)
are to be performed after 60,000 miles (100 000 km) at the same intervals.
Item
No. Service Kilometers (000)
1 E n g in e O il C h a n g e
O il F ilter C h a n g e *
2 C ha ssis L u b rica tio n
3 E n g in e Idle S peed A d ju stm e n t *
— A t 6 M on th s or
4 C o o lin g System S e rv ic e * — Every 24 M on th s or
5 A ir Cleaner, A .I.R . and PCV F ilter
R e p la ce m e n t * A
6 Front W heel B e a rin g R epack
7 Transm ission S e rvice - See E x p la n a tio n for
S e rvice Intervals in S ection B
8 PC V System In sp ectio n *
9 Fuel F ilter R e p la ce m e n t
10 C a rbu re to r C hoke and H oses
In sp ectio n * — A t 6 M on th s or
11 C a rbu re to r or T hro ttle B ody M ou n tin g Bolt
Torque C h e ck * — At 6 M on th s or
12 Vacuum A d va n ce System In sp ectio n
— A t 6 M on th s or
13 S p a rk P lu g s *
14 W ire S e rvice
*
15 EGR System C h e ck
* ▲
16 E n gine T im in g C h e ck
17 Fuel Tank, C ap and L ines Insp ectio n
18 E arly Fuel E vaporation S ystem In sp ectio n
19 T h e rm o sta tica lly C o n tro lle d A ir C le a n e r
* ▲
Insp ectio n
20 E n g in e A cce sso ry D rive B elts In sp ectio n
—
Every 12 M on th s or
21 E vaporative C o n tro l S ystem Inspection
22 S h ie ld s and U n d e rh o o d In su la tion In sp ectio n
■
A
23 A ir Intake System Insp ectio n
24 T h e rm o sta tica lly C o n tro lle d E n g in e C o o lin g
—
A "
Fan C h e ck Every 12 M onths or
*
25 M an ifo ld H eat Valve C h e ck A
FOOTNOTES:
* An Emission Control Service
▲ Also a Noise Emission Control Service
■ Applicable only to vehicles sold in the United States
6
o
Maintenance Schedule 1
• Maintenance Schedule 2
3 6 9 12 15 18 21
Miles (000)
5 10 15 20 25 30 35
o o# o o
0 9 0 9
o
o o
o #
O 0 9
o o o O •
0 9 0 9
O
0 9
o
0 9
o
0 9
0 9
o *
*
o
o
:~t
o«
o#
■
A
o#
o *
The maintenance services contained in Maintenance Schedule 1 and 2 are based
on the assumption that your vehicle will be used as designed:
• To carry passengers and cargo within the limits shown on the tire placard lo­
cated on the edge of the driver's door.
• On reasonable road surfaces within legal driving limits. • On leaded gasoline.
24 27 30 33 36 39 42 45 48
40 45 50 55 60 65 70 75 80
o o o o o
o # o # 0 # o # o #
o
o
o o o # o 0 o o * o
o o • o o # o 0 9 o o * o o *
o # O 0 9
0 9
0 9
9
9
O
0 9 O 9
0 9 0 9
O 0 9
0 9
O 9 0 9
O 9 O 0 9
0 9 0 9
O*
0 9
0 9
0 9 0 9
0 9 0 9
0 9 0 9
o
0 9 0 9
0 9 0 9
0
»
0 9 0 9
0 9
0 9 0 9 0 9
0 9 0 9
0 9 0 9
0 9
0 9
0 9 0 9
54 57
51 60
85 90 95 100
o o # o o *
o
o o •
o 0 9 o o «
o
o
o
o *
0 9
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0 9
0 9
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0 9