image

Technical

Technical information about the '76 to '79 Cadillac Seville. Subjects are "EFI Diagnosis", "'76 - '79 body parts", "Frame diagram" and "Electrical troubleshooting".

Body front (cowl forward)

OVERHAUL as a group, bumper, grille, radiator & supports, hood, Iamps & replace one fender 11.0. If both fenders are replaced 12.5. Does not include fender skirt replacement or repairing any of the parts mentioned or aligning any of the adjacent parts to which they attach. With air conditioning, add 1.0 plus Freon. Times do not include painting or drilling for ornamentation. See individual sections for footnotes regarding painting and drilling.

02-FigA
Fig. A - Front bumper

FRONT BUMPER

Assy, R&R 1.0, Overhaul 2.5
Face bar –
A1 Upper 466.00 #2.5 3516334
A2 lower exc 355.00 #2.5 1606737
A2 –from Ser 500483 408.00 #2.5 1610643
A3 pad 47.00 †.5 1616941
A4 reinforcement 149.00 1606738
A5 support, side 5.00 1605696
A6 Guard, outer, wo/pad 42.00 .3 1608370-69
A7 –pad 7.30 1608375-4
A8 –reinf 6.25 1610132-1
A9 Guard, inner, wo/pad 47.00 .3 1606886-5
A10 –pad 7.30 1607404-3
A11 –reinf 20.00 1607703-2
A12 Grille, R-L, ’76 24.75 .2 1607021-0
A12 –’77-’79 24.75 .2 1611329-8
A13 bracket 3.85 1607522
A14 Filler w/bracket 7.25 3516523
A15 Energy absorber 33.15 §.3 22007645
A16 bracket to frame 1.15 492976
A17 plate, reinf 5.50 345573
A18 License plate bracket 14.50 .2 1605669

# Time is for overhaul.
§ After bumper is removed.
Order by color.


FRAME

Frame assy exc 486.00 #13.5 3517155
–Diesel 486.00 #13.5 3517243
Rear rails & cross-bars— 1.15
See rear body panel
D1 Shock absorber, to body 18.10 .3 4984836

# Includes wheel alignment


02-FigB
Fig. B - Grille

GRILLE

B1 Grille, upper, ’76 100.00 .6 1607022
–’77-’79 100.00 .6 1611327
–lower, see bumper
B2 reinforcement, ’76 8.75 .2 1607425
–‘77-‘79 8.75 .2 1609981
D2 support, center 6.15 417919
B3 –upper, R-L 7.25 1607423-2
B4 –center 5.65 1607424
B5 –to rad supt 11.50 1607071-0



02-FigC
Fig. C - Front lamps

LAMPS

Headlamp
Aim headlamps .6
C1 Housing (head & park lamp) 23.70 1.0 1607002-1
C2 Door 36.25 .2 1607004-3
C3 Seal beam w/mtg & ret rings–
outer 27.00 .4 5966077-6
inner 27.00 .4 5966078-9
C4 Seal beam, inner A11.00 .3 5966200
–outer A11.00 .3 5966201
C5 retainer ring 5.15 5966170
C6 mounting ring, outer 7.90 5966081-0
–inner 7.90 5966083-2
Photo sensor unit ‘76-’77 80.00 912091
–‘78-’79 86.25 913500
mounting bracket 4.50 1607339
harness & conn, ‘76-’77 26.75 1606939
–‘78-‘79 26.50 12006186
amplifier unit exc 19.95 5961673
w/twilight sentinel 32.25 5963494

Parking lamp
C7 Assy, wo/bulb, socket & wire–
–’76 28.00 .3 912748-7
–’77-’79 28.00 .3 913524-3
Housing, see headlamp.
Harness w/socket & wire 25.50 1606946
Bulb A1.97 9428904

Cornering & marker lamp
C8 Assy, wo/bulb, socket & wire–
–‘76-’77 31.50 .3 913604-3
–’78-’79 31.50 .3 913604-3
C9 Bezel 13.80 .2 1607006-5
Socket & wire, see park lamp
Bulb A1.03 9417866



02-FigD
Fig. D - Front sheet metal & cooling

COOLING

Radiator
D3 Radiator, exc 245.00 1.0 3033326
–Diesel 264.00 1.0 3039463
D4 Coolant reservoir, exc 6.25 .3 1607498
–Diesel 6.25 .3 1614453
D5 cap .88 340194
D6 bracket, exc 5.60 1607543
–Diesel 2.10 1613429
D7 Support assy, ’76-’78 231.00 #2.0 3517193
–’79 213.00 #2.0 3517193
D8 Mounting panel, upper 3.20 360634
D9 Air defl, lower (rubber) 12.90 1607607
Hose, upper, exc 12.25 §.3 1610429
–Diesel 12.25 §.3 1615421
–Lower 7.20 §.3 550350

Fan
Blade, ‘76 35.00 §.5 1606067
– ‘77-‘78 35.00 §.5 1613283
–’79 35.00 §.5 1613283
Pulley, ‘76 32.75 1605680
– ‘77-‘79 exc 16.05 412233
–Diesel 16.05 557317
Clutch ‘76 exc 57.75 §.5 4993439
–HD cooling 57.75 §.5 4993440
– ‘77-‘79 exc 57.75 §.5 22007990
–Diesel 57.75 §.5 22007572
D10 Shroud, upper 11.35 .2 1607367
–lower 11.35 .2 1607368

Belts
Alternator, ‘76-‘78 A7.87 §.3 9433766
–‘79 A7.88 §.3 9433767
–Diesel A6.73 §.3 9433744
Power strg pump exc A6.73 §.3 9433742
–Diesel A6.73 §.3 9433744
Air cond comp, exc 9.35 §.3 9433772
–Diesel A7.88 §.3 9433758
Air inj pump,’76 6.47 §.3 9433723
– ‘77-‘79 7.05 §.3 9433726

Water pump
Pump assy, ‘76 A55.00 §1.2 556283
–‘77-’79 A55.00 §1.5 556283

# After bumper, grille, radiator, air cond condenser, lamps & one fender are removed
§ Time listed is for item without removal of any adjacent parts. It the item is made accessible by other work being performed, adjust time accordingly. If any of the work is to be sublet, check with sublet shop for local rates


AIR CONDITIONER & HEATER

With any operation requiring a coolant line disconnect, add to recharge the system and add for freon.

Air conditioner
Complete charge 1.0
Partial charge .5
D11 Condenser 137.44 1.5 3033364
desiccant pkg A13.15 .7 6598832
Accumulator & dehyd, ‘77-’79 61.25 .6 2724125
Compressor, ‘76, ’77 early A293.65 1.3 6598423
–‘77 late, ‘78-’79 286.00 1.3 2724026
brkt, front, exc 19.55 419514
–Diesel 19.55 562246
–rear, exc 37.00 3516373
–Diesel 19.55 559799
–link, front 2.55 412147
–rear 2.55 413469
Pulley 63.31 1.0 6551379
clutch drive plate A30.85 5914719
–coil A54.27 6550835
Valve, expansion, ’76 A22.60 9956836
–refrigerant control A34.35 6599444
Hose–
cond to rec, ’76 16.60 .5 1607587
–‘77early 16.60 .5 1611288
–‘77 late, ‘78-’79 16.60 .5 1610048
rec to comp, ’76 30.00 .5 1607506
–‘77-’79 30.00 .5 1611287
comp to cond (w/muffler) 31.50 .5 1607567
Evaporator core, ’76 158.14 3030924
–‘77-’79 159.29 3035920
case, outlet exc 21.20 3030681
–Diesel 21.20 3040783
–inlet, ’76 28.50 3034838
–‘77-‘79, exc 41.25 3035907
–Diesel 65.75 3040784
Blower motor, ‘76-’77 37.15 4960538
–‘78-’79 40.55 4999963
fan, exc 7.54 3027062
–Diesel 11.47 3036721

Heater
Core, ‘76 early 53.65 3030797
– ‘76 late, ‘77-‘79 43.09 3034872
Case 150.00 3032029
Blower, see air cond


HOOD
Assembly, Remove & Reinstall .6
D12 Hood panel (p2.8) 391.00 #1.8 3517194
D13 Insulation 17.25 1607590
D14 Moulding, front ’76 (d.2) 28.75 .3 3634026
–’77-’79 (d.2) 35.75 .3 3634242
D15 Ornament w/base 16.75 .2 3634040
ornament only 13.80 1607856
D16 Name plate, Cadillac 7.40 .2 3634041
D17 Lock 13.30 .3 1607490
D18 striker 2.00 .1 417805
D19 support 36.50 1607263
D20 release control assy 8.85 1704610
D21 Safety, catch 4.75 .2 1607317
D22 Pop-up spring 2.75 408576
D23 Hinge 16.50 §.3 39266830-29
D24 spring 3.20 1249446

# For a new hood installation, add for painting and drilling.
Painting time does not include the cost of the paint or related preparation materials. Drilling time is shown with the ornamentation.
§ After hood is removed.


FRONT FENDER & MONITOR LAMP

Fender
Assembly, Remove & Reinstall 1.5
D25 Fender 352.00 #2.8 3517184-3
D26 filler, to bmpr (p.5) 13.55 .3 1607431-0
C10 –to headlamp 1.65 1607007
C11 –retainer 3.45 1607165
C12 –to corner lamp 1.25 1607010-09
C13 –retainer 3.70 1607164-3
reinforcement 13.00 1608465-4
Mouldings–
D27 front, hood extn, '76 11.05 §.1 3634031-0
–'77-'79 11.05 §.1 3634241-0
D28 wheel opening (d.3) 22.90 .3 3634036-5
side, colored (d.2)–
D29 –order by color 18.75 .3 3634054
side, upper, '78-'79 (chrome) 39.25 .3 1613893-4
D30 above rocker (d.2) 17.30 1.0 3634038-7
D31 rear at windshield 6.20 .1 3634169-8
D32 Name plate, Seville (d.2) 7.40 .3 3634158
Fuel Injection (d.2) 6.90 .3 1706644
–Diesel (d.2) 3.95 .3 1614259
D33 Wheelhouse, exc 114.00 †1.2 3516342-1
–Diesel, right 114.00 †1.2 3517180
D34 brace, to rad supt 18.75 1607072
support to body 14.75 3516469-8
–bracket 7.80 1607344-3
D35 brkt, damper to frame 5.20 1607177
D36 Brace rod, front 13.00 1608465-4
D37 rear to cowl, R-L 6.15 1608336
D38 Level control compressor–
see rear suspension

Motor lamp
C14 Housing 2.60 .3 1605520-19
Filter, fiber optic .61 8911227
C15 Conductor assy 24.25 1606958-7

Antenna
Antenna assy, '76 103.00 .6 1607281
'77 exc 103.00 .6 1611082
-w/stereo & CB 140.00 .6 1612159
'78-'79 exc 106.00 .6 5044839
-w/stereo & CB 140.00 .6 5044919

# With antenna add .5. For a new fender installation, add for painting and drilling. Painting time does not include the cost of paint or related preparation materials. Drilling time is shown with the ornamentation.
§ After headlamp is removed.
After fender is removed.


ELECTRICAL

Battery, see index page 1
D39 Tray, exc D27.50 1606804
–'79 30.75 1613896
–Diesel 9.05 1614471
Cable, positive, exc 19.65 8919886
–Diesel 27.08 12011367
–ground, exc 8.75 8907025
–Diesel 10.35 8907034

Alternator & regulator
Alternator assy 319.00 .5 1101033
fan 7.35 801808
pulley, '76 4.62 .3 1949355
–'77-'79 9.05 1893675
mounting bracket 6.95 1606894
housing, front 19.30 801806
–rear 24.15 #1.3 801813
Regulator A22.00 .8 1116387

Distributor & ignition
Distributor assy, '76 319.50 .8 1112931
–'77 319.50 .8 1103221
–'78 343.50 .8 1103348
–'79 363.00 .8 1103393
cap, '76-'77 A16.20 .3 1974408
–'78-'79 A16.20 1974408
–cover 4.40 1875960
rotor 5.70 1893518
fuel inj switch 36.15 .3 1892579
Ignition coil A31.95 .3 1876209
switch, '76-'77 7.90 .5 1990099
–'78-'79 7.85 .5 1990106
Theft deterrrent cont, exc 131.00 9349676
–'79 131.00 16004296

Lamps
Headlamp, see grille
Parking lamp, see grille
Cornering lamp, see grille
Monitor lamp, see fender
Tail lamp, see quarter
Back-up lamp, see rear body
Licence lamp, see rear body

Horn
Horn, A note A14.45 1892164
–F note A14.45 1892163
–C note 17.20 1892246
–D note A15.75 1892162

# Time is for overhaul.


ENGINE

Engine, R&R
Does not include transfer any
part of engine or replacement
of special equipment.
'76-'79 10.0

Engine, renew
Includes transfer all fuel &
electrical units. Does not
include transfer spec equip.
'76-'79 14.0

Cylinder block, renew & grind valves
'76-'79 22.0

Engine parts
Vibration damper, exc 39.00 #1.0 417142
–'79 21.15 22501987
–Diesel 41.25 559131
pulley exc 44.00 1605681
–7-1/2" dia 43.75 1610039
–Diesel 23.60 557318
Timing case cover, exc 14.10 #4.5 382926
–Diesel 19.65 558989
gasket .55 382927
oil seal 2.70 552711
Rubber mount, front, exc 14.50 §.6 9762326
–'79 14.70 459021
–rear 13.55 .5 1613485
support to eng, R-L 4.40 1608775
brkt, to rear supt 5.95 1608773
front, to frame, R-L 11.15 1608776
Oil pan, exc 34.75 2.2 555137
–Diesel 37.50 560574
gasket pkg A4.00 384472
Oil filter, '76-'77 25.32 .3 6437998
–'78-'79 16.51 .3 25010469
–Diesel 30.20 25010594
element, '76-'77 A6.47 6437994
–'78-'79 A6.17 25010324
Electronic fuel injection–
mainfold, '76-'77 225.00 1606818
–'78-'79, exc 220.00 1612427
–Alum 215.00 1615880
–Diesel, '78 103.00 22500203
–'79 103.00 22500203
control unit–
exc Calif, '76 216.00 1608824
–'77 216.00 1610826
–'78 216.00 1614447
–'79 216.00 1616208
Calif, '76 216.00 1608825
–'77 216.00 1610827
–'78 216.00 1614448
–'79 216.00 1616209
cover 5.30 1607285
injectors, each 58.00 1607247
sensor, '76 early 29.25 1606011
–'76 late, '77-'79 29.50 1609968
rail assy, '76-'77 67.75 1612151
–'78 right 67.75 1612151
–left 67.75 1607248
air cleaner, '76-'77 140.00 8994900
-'78-'79 139.00 8996458
–Diesel 176.00 8996393
pressure regulator 37.75 1612150
Fuel pump, in tank 51.45 1.5 6428829
–w/CB radio 75.12 25000917
–chassis mounted 145.00 .6 1608783
–support 2.00 1608804
–mount 4.70 345137
–bracket 2.00 1608784
Fuel filter, exc 27.30 5651776
–Diesel 10.85 560355

# Time listed is for item without removal of any adjacent parts. If item is made accessable by other work being performed, adjust time accordingly. If any of the work is to be sublet, check with sublet shop for local rates.
§ Time is for one, both 1.0.


TRANSMISSION

Transmission, R&R or renew
R&R 3.0
Renew 3.5

EXHAUST

Mainfold, right, exc 69.75 1.6 417754
–'79 69.75 1.6 563619
–left 41.25 1.6 411961
Pipe, outlet '76 43.00 .7 1606919
–'77-'79 43.00 .7 1611961
–Diesel 37.75 1613890
–crossover, exc 60.50 .7 1606872
–Diesel 34.75 1614177
Catalytic converter, '76 204.00 .7 8998163
–'77, early 204.00 .7 8998163
–late 204.00 .7 8998556
–'78-'79 204.00 .7 8998806
–Calif 285.00 .7 8998890
support pkg, '76-'77 16.40 3634022
–'78-'79 16.40 3516803
pipe to muffler, '76 26.00 1607031
–'77-'79 43.00 1611960
repair kit, bottom pan–
w/260 converter 46.00 8998484
w/175 converter 38.00 8998488
Muffler 52.00 .7 1607068
Resonator & pipes 72.00 .6 Resonator & pipes

EMISSION CONTROL SYSTEMS

Air injector pump A101.22 .6 7817809
pulley 4.95 .5 412335
Valves, air diverter 16.50 .3 7030788
exhaust gas recirculation 25.15 17052743
check 7.05 5361992
back pressure transducer 29.50 1608504
EGR vacuum solenoid 7.90 1607364
Evap emiss canister, '76 A34.60 .3 17065031
–'77 A34.60 .3 17065031
–'78-'79 33.60 .3 17056539
support 3.55 1606891
element A1.75 7026014



02-FigE
Fig. E - Front suspension

WHEELS & FRONT SUSPENSION

Wheel allignment 1.5
Toe-in, adjust .5
Susp, OH 1 side 3.0
both 5.0

Wheel
Wheel, '76 (p.5) 51.25 #.3 1606925
–'77-'79 exc (p.5) 52.00 #.3 1613416
–wire type 332.00 #.3 1612486
Cover, w/wreath & crest 54.25 3516477
–wire type 118.00 1612484
–turbine type 68.25 3516344
emblem & wreath 7.40 3633924
emblem & crest (wire whl) 5.15 3632139
Bearing, front wheel–
E1 Brake disk & hub, '76 A5.63 7450627
–'78-'79 A7.30 7450697
E2 –inner A7.00 7450630
E3 seal A2.30 3965092
E4 grease cap 1.55 471162

Front suspension
E5 Brake disk & hub, '76 80.00 .9
–'77 89.25 .9
–'78-'79 89.00 .9
E6 splash shield 4.70
E7 caliper, '76 104.20 1.0
–'77 96.10 1.0
–'78 97.60 1.0
–'79 97.60 1.0
hose, '76 11.55 .5
–'77 11.55 .5
–'78-'79 11.55
E8 Steering knuckle, '76 74.25 1.0
–'77 92.00 1.0
–'78-'79 91.50 1.0
E9 ball-joint, lower 22.05 1.6
–upper 22.35 1.8
Controll arm–
E10 upper, '76 58.00 1.5
–'77-'79 59.50 1.5
E11 –shaft & bush exc 21.80
–'77-'79 left 21.80
E12 lower, '76 60.25 1.4
–'77-'79 left 59.50 1.4
E13 Spring, order by description 1.2
E14 Stabilizer shaft, '76 29.00 .7
–'77-'79 29.75 .7
E15 link pkg, R-L, '76 2.55 .4
–'77-'79 3.4 .4
E16 Shock absorber, '76 18.10 .4
–'77-'79 18.10 .4

# Add for balance, weights and valve stem.


02-FigF
Fig. F - Steering

Steering

Arm, see steering knuckle
F1 Tie rod adjust tube 9.35 #.3 7826714
F2 end, R-L, outer 26.25 7825393
F3 –inner 29.50 7825391-2
F4 Drag link 73.00 .5 7825394
F5 idler arm w/brkt A32.67 .7 7828289
F6 Pitman arm 24.40 .5 7828287
F7 shaft & sector 54.10 7813631
F8 Shock absorber 31.25 .3 4993533
Gear assembly, '76 265.00 1.4 7826332
–'77-'79 293.00 1.4 7826635
F9 housing, '76 82.95 #2.3 7806752
–'77-'79 113.00 #2.3 7827161
F10 worm, rack & piston 93.50 7817528
Main shaft assy, '76 167.00 7825135
–'77 166.00 7827231
–'78 162.00 7828842
–'79 162.00 7831719
F11 Shield, lower 3.85 417759
F12 –upper 2.35 416524
shaft, intermediate, '76 39.00 7826289
–'77 71.00 7828472
–'78 51.00 7830101
–'79 70.75 7831211
F13 shaft, lower, '76 70.75 7825145
–'77-'78 70.75 7827234
–'79 70.25 7831987
yoke assy, '76 88.25 7825147
–'77-'78 55.25 7825339
repair kit 17.00 7810077
F14 flange, lower, '76 26.25 7828871
–'77-'79 26.30 7826542
F15 Valve assembly, '76 132.00 7819412
–'77-'79 128.00 7826118
F16 Pump assy, exc 119.45 .8 7818023
–Diesel 154.00 7831123
reservoir, exc 39.05 7826752
–Diesel 40.50 7830635
F17 Pully 11.65 419711
bracket, '76-'77 7.05 398668
–'78-'79 8.60 22503801
F18 adjusting link, exc 11.75 562594
–'79 11.75 562594
F19 hose, pressure, exc 25.00 .3 7819605
–Diesel 31.08 7831300
F20 –return (per ft) 1.58 7828506
Column assy (p.6)–
'76 exc 439.00 1.5 7819538
–from 480000 444.00 1.5 7825127
'77 444.00 1.5 7827160
'78 142.00 1.5 7828824
'79 442.00 1.5 7831075
–Diesel, '78 432.00 7832420
–'79 442.00 7832584
Column jacket, '76 44.50 #2.6 7819583
–'77 44.75 #2.6 7827358
–'78 45.75 #2.6 7828838
–'79 45.75 7831717
Steering wheel '76 84.25 §.4 9756997
–'77 92.75 §.4 9759457
–'78 92.25 §.4 9761331
–'79 92.75 9762820
shroud, '76 (p.5) 16.85 1602426
–'77-'79 exc (p.5) 14.45 1609801
–tilt & teles (p.5) 18.20 1609800
pad, '76 16.15 § 1603171
–'77-'79 17.10 § 1609802
crest 5.30 3634033
wreath 3.20 3634034
insert, center upper 8.80 1607529
–lower 9.80 1607525

# Time is for overhaul.
§ Order by color.

Technical topics

EFI Diagnosis

Troubleshoot your Electronic Fuel Injection system. This was an add-on to the Service Manual, now scanned and made available for everybody.

Frame diagram

The exact sizes and locations to check if the frame of the car is perfectly straight.

'77 and '78 wiring and vacuum diagrams

Wiring and vacuum diagrams for all the individual systems in the '77 and '78 Seville.

Electrical troubleshooting

I bought the '78 and '79 'Electrical Troubleshooting Manual'. Scanned the images and put it online.