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6C 4-14
CARBURETOR MODEL M 4M E /M 4M C
2.
Do not remove
p l u g s c o v e r i n g i d l e m i x t u r e n e e d l e s
d u r i n g n o r m a l c a r b u r e t o r c l e a n i n g a n d s e r v i c i n g ,
u n l e s s d i a g n o s i s i n d i c a t e s t h e c a r b u r e t o r is t h e c a u s e o f
a d r i v e r c o m p l a i n t o r e m i s s i o n f a i l u r e , o r t h e i d l e
m i x t u r e n e e d l e s o r t h r o t t l e b o d y m u s t b e r e p l a c e d , in
w h i c h c a s e , t h e p l u g s m a y b e r e m o v e d a n d t h e i d le
m i x t u r e a d j u s t e d o n t h e v e h i c l e c a r e f u l l y f o l l o w i n g
f a c t o r y r e c o m m e n d e d p r o c e d u r e s . ( S e e O n - V e h i c l e
S e r v i c e ) .
I f n e c e s s a r y t o r e m o v e t h e i d l e m i x t u r e n e e d l e s , s e e I d l e
M i x t u r e N e e d l e P l u g R e m o v a l ( F i g . 6 C 4 - 1 0 ) .
F u r t h e r d i s a s s e m b l y o f t h e t h r o t t l e b o d y is n o t r e q u i r e d
f o r c l e a n i n g p u r p o s e s . T h e t h r o t t l e v a l v e s c r e w s a r e
p e r m a n e n t l y s t a k e d in p l a c e a n d s h o u l d n o t b e r e m o v e d . T h e
t h r o t t l e b o d y is s e r v i c e d a s a c o m p l e t e a s s e m b l y .
C L E A N IN G A N D IN S P E C T IO N
T h e c a r b u r e t o r p a r t s s h o u l d b e c l e a n e d i n c o l d
i m m e r s i o n t y p e c l e a n e r .
N O T IC E :
T h e e l e c t r i c s o l e n o i d , r u b b e r p a r t s , p l a s t i c
p a r t s , d i a p h r a g m s , p u m p p l u n g e r s , p u m p s t e m s e a l ,
e t c . s h o u l d n o t b e p u t in i m m e r s i o n t y p e c l e a n e r a s t h e y
w ill s w e l l , h a r d e n o r d i s t o r t .
T h e p l a s t i c c a m o n t h e a i r v a l v e s h a f t a n d b u s h i n g
i n s e r t in b o w l w i l l w i t h s t a n d n o r m a l c l e a n i n g . R i n s e
t h o r o u g h l y a f t e r c l e a n i n g .
1. T h o r o u g h l y c l e a n a ll m e t a l p a r t s a n d b l o w d r y w i t h
c o m p r e s s e d a i r . M a k e s u r e a l l f u e l p a s s a g e s a n d
m e t e r i n g p a r t s a r e f r e e o f b u r r s a n d d i r t . D o n o t p a s s
d r i l l s o r w i r e t h r o u g h j e t s .
2. I n s p e c t u p p e r a n d l o w e r s u r f a c e s o f c a r b u r e t o r c a s t i n g
f o r d a m a g e .
3. I n s p e c t h o l e s in l e v e r s f o r e x c e s s i v e w e a r o r o u t o f
r o u n d c o n d i t i o n s . I f w o r n , l e v e r s h o u l d b e r e p l a c e d .
4. I n s p e c t p l a s t i c p a r t s f o r c r a c k s , d a m a g e , e t c . R e p l a c e
a s n e c e s s a r y .
5. C h e c k , r e p a i r o r r e p l a c e t h e f o l l o w i n g p a r t s i f t h e
f o l l o w i n g p r o b l e m s w e r e e n c o u n t e r e d .
a.
F lood in g
1. I n s p e c t f l o a t n e e d l e s e a t f o r d i r t , d e e p w e a r
g r o o v e s , s c o r e s a n d p r o p e r s e a t i n g .
2. I n s p e c t f l o a t n e e d l e p u l l c l i p f o r p r o p e r i n s t a l l a t i o n
( F i g . 6 C 4 - 2 2 ) . B e c a r e f u l n o t t o b e n d n e e d l e p u l l
c lip .
3.
I n s p e c t f l o a t , f l o a t a r m a n d
h i n g e p i n
f o r
d i s t o r t i o n , b i n d s a n d b u r r s . C h e c k d e n s i t y o f
m a t e r i a l in t h e f l o a t , i f h e a v i e r t h a n n o r m a l ,
r e p l a c e f l o a t .
4. R e p l a c e f u e l i n l e t f i lt e r .
5. C h e c k
p o w e r
p i s t o n
f o r
s t i c k i n g ,
b i n d i n g ,
d a m a g e d o r m i s s i n g m e t e r i n g r o d s .
b.
Hesitation
1. I n s p e c t p u m p p l u n g e r f o r c r a c k s , s c o r e s o r c u p
e x c e s s i v e w e a r a n d r e p l a c e p l u n g e r i f n e c e s s a r y .
2. I n s p e c t p u m p d u r a t i o n a n d r e t u r n s p r i n g f o r b e i n g
w e a k o r d i s t o r t e d .
3.
C h e c k a l l p u m p p a s s a g e s a n d j e t s f o r d i r t ,
i m p r o p e r s e a t i n g o f d i s c h a r g e b a l l a n d s c o r e s in
p u m p w e l l. C h e c k c o n d i t i o n o f p u m p d i s c h a r g e
c h e c k b a l l .
4. C h e c k p u m p l i n k a g e f o r e x c e s s i v e w e a r , ; r e p a i r o r
r e p l a c e a s n e c e s s a r y .
c.
Hard Starting
-
Poor Cold Operation
1. C h e c k c h o k e v a l v e a n d l i n k a g e f o r e x c e s s i v e w e a r ,
b i n d s o r d i s t o r t i o n .
2. I n s p e c t c h o k e v a c u u m d i a p h r a g m f o r l e a k s .
3.
R e p l a c e c a r b u r e t o r f u e l f i l t e r .
4. I n s p e c t f l o a t n e e d l e f o r s t i c k i n g , d i r t e tc .
5. E x a m i n e f a s t i d l e c a m f o r w e a r o r d a m a g e .
6. A l s o c h e c k i t e m s u n d e r " f l o o d i n g " .
d .
Poor Performance - Poor Gas Mileage
1. C l e a n a ll f u e l a n d v a c u u m p a s s a g e s in c a s t i n g s .
2. C h e c k c h o k e v a l v e f o r f r e e d o m o f m o v e m e n t .
3.
C h e c k p o w e r p i s t o n m e t e r i n g r o d s f o r d i r t ,
s t i c k i n g , b i n d i n g , d a m a g e d p a r t s o r e x c e s s i v e
w e a r .
4. I n s p e c t p r i m a r y m e t e r i n g j e t s f o r b e i n g d i r t y ,
l o o s e , w o r n o r d a m a g e d .
Summary of Contents for 1982 Light Duty Truck
Page 1: ......
Page 28: ...HEATER 1A 3 Fig lA 2 Heater Control C K Models Fig lA 3 Heater Control G Models...
Page 37: ...Fig 1A 11 T E E V A L V E A S M TEE AND VALVE C36...
Page 38: ...HEATER 1A 13 Fig 1A l2 Distributor Ducts G Models Fig 1A l5 Control Assembly G Models...
Page 39: ...1A 14 HEATER V IE W A V IE W B Fig 1A l7 Control Cable Routing G Models...
Page 42: ...HEATER 1A 19 Fig 1A 23 Auxiliary Heater Hose Routing...
Page 56: ...AIR CONDITIONING IB 13 Chart 1B 4 Pressure Cycling CCOT System Diagnosis...
Page 64: ...Fig 1B 17 C60 System Vacuum Diagram C K Series...
Page 65: ......
Page 66: ...Fig 1B 19 C60 Motor Home Chassis Wiring Diagram SWITCH AIR CONDITIONING IB 2 3...
Page 67: ...IB 24 AIR CONDITIONING Fig IB 20 1 P A C Harness Wiring...
Page 68: ...AIR CONDITIONING IB 25 VIE W A Fig IB 21 A C Compressor wiring...
Page 76: ...AIR CONDITIONING IB 33 Fig 1B 26 Compressor Mounting...
Page 91: ...IB 48 AIR CONDITIONING Fig 1B 59 C K Models Refrigerant Lines L6...
Page 150: ......
Page 162: ......
Page 164: ...2D 2 BODY Fig 2D 4 Typical Utility Vehicle Model...
Page 182: ...2D 20 BODY Fig 2D 51 Rear Door Controls Fig 2D 52 Rear Door Outside Handle and Lock Cylinder...
Page 193: ...BODY 2D 31 BELTS 3RD SEAT Fig 2D 82 Seat Belt Installation Suburban Driver Seat Suburban...
Page 194: ...2D 32 BODY Fig 2D 85 Passenger s Bucket Seat Chassis Cab...
Page 195: ...BODY 2D 33 Fig 2D 88 Rear Bench Seats Suburban...
Page 196: ...2D 34 BODY Fig 2D 89 CK Utility Seat Attachments...
Page 197: ...BODY 2D 35 Fig 2D 90 Seat Separator Compartment and Door CK Models...
Page 222: ......
Page 223: ...BODY 2D 61 Fig 2D 139 Front Seat Belt Installation...
Page 228: ......
Page 234: ......
Page 252: ...3B2 8 MANUAL STEERING GEAR Fig 3B2 11 Manual Steering Gear Exploded View...
Page 256: ......
Page 273: ...POWER STEERING SYSTEM 3B3 17 with LE3 Engine Exc HC4 LE4 LG9 LF4 LS9 LT9 and JB7 HC4 and JB8...
Page 342: ......
Page 389: ...REAR SUSPENSION 3D 7 Fig 3D 17 Rear Spring Installation C K Models...
Page 428: ...4 B 1 4 REAR AXLE Fig 4B 8 Gear Tooth Nomenclature Fig 4B 9 G ear Tooth Contact Pattern Check...
Page 444: ......
Page 454: ......
Page 468: ...4 B 5 2 REAR AXLE Fig 4B5 2 Rockwell Assembly...
Page 480: ...4 B 5 1 4 REAR AXLE...
Page 482: ...i...
Page 502: ......
Page 520: ......
Page 533: ...Fig 5 5 Front Brake Pipes and Hoses C K Models BRAKES 5 13...
Page 534: ...Fig 5 6 Front Brake Pipes and Hoses G M odels 5 14 B R A K E S...
Page 535: ...Fig 5 7 Front Brake Pipes and Hoses P Models BRAKES 5 15...
Page 536: ...5 16 BRAKES Fig 5 8 Rear Brake Hoses...
Page 538: ...5 18 BRAKES Fig 5 10 Parking Brake System Typical...
Page 539: ...BRAKES 5 19...
Page 570: ...5 50 BRAKES Fig 5 57 Power Steering Hose Routing C K Models...
Page 571: ...BRAKES 5 51 Fig 5 58 Power Steering Hose Routing G Models...
Page 572: ...Fig 5 59 Power Steering H ose Routing P Models 5 52 BRAKES...
Page 577: ...BRAKES 5 57 4 CONT A SECONDARY DIAPHRAGM B SECONDARY POWER 4 CONT C PRIMARY D Fig 5 5A Service...
Page 604: ......
Page 625: ...NOTES ENGINE 6 21...
Page 626: ......
Page 629: ...IN LINE 6 6A1 3 OIL PRESSURE SENDING UNIT Fig 6A1 1 In Line Engine Lubrication...
Page 630: ...6A1 4 IN LINE 6 Fig 6 A l 2 P Series Engine Front Mount...
Page 631: ...IN LINE 6 6A1 5 Fig 6Al 3 P Series Engine Rear Mount Fig 6 A l 4 C Series Engine Rear Mounts...
Page 634: ...6A1 8 IN LINE 6 Fig 6Al 7 K Series Engine Rear Mount...
Page 660: ......
Page 663: ...SMALL BLOCK 6A4 3 Fig 6A4 T Engine Lubrication...
Page 664: ...6A4 4 SMALL BLOCK Fig 6A4 2 Engine Lubrication...
Page 665: ...Fig 6A4 3 P Series Engine Mount Bracket...
Page 667: ...SMALL BLOCK 6A4 7 Fig 6A 4 5 P Series Engine Front Mount...
Page 668: ...6A4 8 SMALL BLOCK...
Page 669: ...SMALL BLOCK 6A4 9 Fig 6A 4 7 K Series Engine Mounts...
Page 670: ...6A4 10 SMALL BLOCK Fig 6A 4 8 C Series Engine Mounts...
Page 703: ...MARK IV 6A5 7 Fig 6A 5 6 P Series Engine Front Mount...
Page 704: ...6A5 8 MARK IV Fig 6 A 5 7 C Series Engine Mounts...
Page 731: ...6 2 DIESEL 6A7 3...
Page 760: ...6B 6 ENGINE COOLING Fig 6B 7 A C and A I R Adjustment...
Page 771: ...ENGINE COOLING 6B 17 Fig 6B 20 Engine O il C o o le r 6 2L Diesel...
Page 784: ......
Page 807: ...CARBURETOR MODEL 2SE 6C2 9 Fig 6C2 6 Typical 2SE Carburetor Assembly...
Page 820: ......
Page 830: ...6C4 10 CARBURETOR MODEL M4ME M4MC 101368 Fig 6C4 12 M 4M C M 4M E Carburetor Exploded View...
Page 848: ......
Page 876: ......
Page 888: ...6D 12 ENGINE ELECTRICAL Fig 6D 6C Generator Mounting Fig 6D 7C Generator Mounting...
Page 919: ...ENGINE ELECTRICAL 6D 43...
Page 934: ...Fig 6D 8E Starter M otor Mounting...
Page 974: ......
Page 1011: ...Figure 350C 25A Neutral Engine Running AUTOMATIC TRANSMISSION 350C 11...
Page 1054: ...Fig 7A 1C 400 Autom atic Transmission Side Cross Section Typical...
Page 1152: ...700 R4 40 AUTOMATIC TRANSMISSION Figure 700 R4 76 Transmission Assembly Exploded View...
Page 1162: ......
Page 1189: ...89MM MANUAL TRANSMISSION 7B3 5 Fig 7 3 4 4 Speed 89mm Exploded View...
Page 1219: ...CLUTCH 7C 5 Fig 7C 6 C K Truck Clutch Controls...
Page 1220: ...Fig 7C 7 G Truck Clutch Controls...
Page 1221: ...CLUTCH 7C 7 Fig 7C 8 P Truck Clutch Controls...
Page 1234: ...7E 2 TRANSFER CASE Fig 7E 1 Model 208 Transfer Case Cross Section...
Page 1252: ...7E 20 TRANSFER CASE Fig 7E 39 Transfer Case Attachment Typical...
Page 1278: ...8A 16 ELECTRICAL BODY AND CHASSIS Fig 8A 11 License Plate Lamps C K Series...
Page 1280: ...8A 18 ELECTRICAL BODY AND CHASSIS VIEW A VIEW B Fig 8A 15 CK Series Rear Lamp W iring...
Page 1281: ...ELECTRICAL BODY AND CHASSIS 8A 19 Fig 8A 16 CK Series Auxiliary W iring...
Page 1290: ...8B 8 ELECTRICAL AND WIRING Fig 8B 13 Seat Belt Reminder System Schematic...
Page 1292: ......
Page 1346: ...8C 54 INSTRUMENT PANEL AND GAGES Fig 8C 46 CK Series W iring 3 of 29...
Page 1351: ...INSTRUMENT PANEL AND GAGES 8C 59 SUBURBAN Fig 8C 51 CK Series W iring 8 of 29...
Page 1364: ...8C 72 INSTRUMENT PANEL AND GAGES Fig 8C 64 CK Series W iring 21 of 29...
Page 1365: ...INSTRUMENT PANEL AND GAGES 8C 73 CAB CRFW CAB CHASSIS Fig 8C 65 CK Series W iring 22 of 29...
Page 1366: ...8C 74 INSTRUMENT PANEL AND GAGES Fig 8C 66 CK Series W iring 23 of 29...
Page 1374: ...8C 82 INSTRUMENT PANEL AND GAGES Fig 8C 74 G Series W iring 2 of 19...
Page 1375: ...INSTRUMENT PANEL AND GAGES 8C 83 Fig 8C 75 G Series W iring 3 of 19...
Page 1376: ...8C 84 INSTRUMENT PANEL AND GAGES Fig 8C 76 G Series W iring 4 of 19...
Page 1379: ...INSTRUMENT PANEL AND GAGES 8C 87 Fig 8C 79 G Series W iring 7 of 19...
Page 1383: ...INSTRUMENT PANEL AND GAGES 8C 91 Fig 8C 83 G Series W iring 11 o f 19...
Page 1384: ...8C 92 INSTRUMENT PANEL AND GAGES BUS BARGWO Fig 8C 84 G Series W iring 12 of 19...
Page 1390: ...8C 98 INSTRUMENT PANEL AND GAGES Fig 8C 90 G Series W iring 18 of 19...
Page 1391: ...INSTRUMENT PANEL AND GAGES 8C 99 Fig 8C 91 G Series W iring 19 of 19...
Page 1392: ...8C 100 INSTRUMENT PANEL AND GAGES Fig 8C 92 P Series W iring 1 of 11...
Page 1393: ...INSTRUMENT PANEL AND GAGES 8C 101 Fig 8C 93 P Series W iring 2 of 11...
Page 1396: ...8C 104 INSTRUMENT PANEL AND GAGES Fig 8C 96 P Series W iring 5 of 11...
Page 1399: ...INSTRUMENT PANEL AND GAGES 8C 107 Fig 8C 99 P Series W iring 8 of 11...
Page 1401: ...INSTRUMENT PANEL AND GAGES 8C 109 START RUN OF LOCK ACC Fig 8C 101 P Series W iring 10 of 11...
Page 1415: ...ACCESSORIES 9 13 RADIO NOISE BLOWER MOTOR Fig 9 6R Radio Diagnosis Chart B...
Page 1416: ...9 14 ACCESSORIES D E A D R A D IO A M R A D IO I Fig 9 7R Radio Diagnosis Chart C...
Page 1417: ...ACCESSORIES 9 15 DEAD RADIO AM FM RADIO Fig 9 8R Radio Diagnosis Chart D...
Page 1435: ...t f l i t 1...