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Technical

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

Body center (cowl to quarter)

02-FigG
Fig. G - Body center

Cowl & windshield

Cowl panels–
upper outer (p.6) 145.00 .4 3517186
G1 –inner '76 139.00 1700373
–'77-'79 139.00 20027956
G2 side lower, right 18.40 ¶1.5 1696631
–left 18.40 ¶1.5 1748462
G3 dash 354.00 1705240
G4 vent duct, cntr 128.00 20037584
G5 –side, right 39.25 1681432
–left 39.25 1748463
G6 mldg, cowl panel rear 15.95 .2 3634045
screen, top vent 4.20 1704471
G7 Hinge pillar (p1.0) 119.00 #7.5 20027816-7
G8 moulding, at belt 8.05 .1 1696637-8
G9 reinf to rocker–
–right 19.70 1740150
–left '76 19.70 1698241
–'77-'79 21.75 1744835
reinf, to duct 12.40 1704494-5
G10 Brace to eng mount rail–
right 27.50 1702357
left 32.50 1702358
G11 extn to floor 9.10 1692524-5
Windsheeld glass, GM 211.00 ‡2.0 1681437
–NAGS 209.60 W851T
G12 reveal mldg, upper 16.85 .3 1681290
G13 –lower 56.75 .5 1681291
G14 –side 16.00 .2 1681288-9
garnish mldg, upper 20.35 § 1703889
–side 32.25 § 1703832-3
–extn 14.75 § 1706202-3
G15 Inst panel, upper, '76-'77 215.00 †1.8 1607147
–'78-'79 230.00 †1.8 1614451
–center, '76-'77 130.00 20099798
–'78-'79 130.00 20099798
–lower right 86.25 †1.0 3516401
–left 42.75 3516392
door, glove compt, outer 43.50 †.5 3516410
–inner 42.00 1607366
Wiper arm 11.35 .6 1697820-1
blade A5.75 .6 1672838
insert A4.35 9664094
motor A69.45 .3 4961608
Transmission, right 12.10 4961782
–left 11.85 4961784
washer pump A32.43 4961606
–jar, exc 5.25 .3 1608755
–Diesel 7.80 1613902
–bracket, exc 1.70 1236159
–Diesel 2.65 1614165
Mirror, inside 18.05 .2 911620
support 1.85 9831062
Visor bracket 12.05 .3 3070421

# Time is with fender, door and windshield removed. Add 1.0 with roof cover.
§ Paint as required.
Paint to match with instrument panel vinyl paint.
Add for installation materials. Check price locally.
After fender is removed.


ROOF & BACK WINDOW

G16 Roof panel (p4.5) 905.00 #21.0 3063700
G17 extn 20.40 §2.0 3063482-2
reinf, extn to qtr 9.10 3064674-5
G18 Moulding, drip, front 37.00 .2 1749498-9
G19 –center 33.00 .4 1686376-7
G20 –rear 19.75 .2 1686380-1
inside side, front 29.25 1706054-5
–rear 19.85 1707476-7
G21 Emblem, wreath 4.75 .5 1712759
–crest 16.80 1700967
Cover, fabric, '76 269.00 1746005
–'77-'79 282.00 20147005
Back window–
wo/defrogger, GM '76-'77 87.50 ‡1.5 1681622
–'78-'79 87.25 ‡1.5 3064188
–NAGS 84.70 B5549T
w/electric defrog, GM 142.00 ‡1.7 3064189
–NAGS 158.60 B5548T
trim ring 19.15 3062074
mouldings–
reveal w/roof cover–
–upper 15.05 1682786
–lower 12.85 1682764
–side 23.15 1706416-7
reveal, painted roof–
G22 –upper 23.75 3063487
G23 –lower 23.75 3063490
G24 –side 14.20 3063488-9
garnish, upper 20.95 1707382-3
–lower 30.00 1707408
–side 46.00 1711976-7
lace, '76 8.40 1721524

Sliding roof

Panel, sliding, steel 252.00 1099885
Glass, order by color 583.00 1099912
bezel, at glass 161.00 1099902
mldg, front of glass 11.00 1099900
Weatherstrips–
front & side, gray 28.00 1099440
–ivory 28.00 1099789
rear, velvet, black 12.85 1099441
–gray 12.85 1099442
–rubber 6.85 556905
Frame h'lining pnl 38.50 1099886
sun screen 108.00 1099901
Rail, side guide 27.00 1099890-1
panel to frame 18.50 1099887
Elbow, front upper 14.15 1099806-5
–lower 5.30 1099804-3
Guide & cable 33.25 1099904-5
Motor & gear 135.00 1099875
housing 19.50 1099494
cover 10.55 1099489

HEADLINING R&R 4.2
# With roof cover & rear window trim ring add 6.5. Time does not include models with sun roof.
§ Time is with roof removed. With quarter panel removed 3.5
Paint to match.
Add for installation material. Check price locally. With roof cover, add 4.3.
Part number is for black. For other colors, call dealer.


FRONT DOOR

Assembly Remove & Reinstall 1.3
Trim panel, Remove & Reinstall .5
G25 Door '76-'77 (p2.5) 421.00 #4.5 20029818-9
–'78, right (p2.5) 437.00 #4.5 20090880
–left (p2.5) 437.00 #4.5 20108557
–'79 (p.2.5) 437.00 #4.5 20108556-7
G26 Outer panel exc (p2.5) 82.50 #5.0 20108560-1
–'76-'78 right (p2.5) 84.00 #5.0 1726036
G27 reinforcing bar 63.25 §.6 1690420
Weatherstrip around door 29.00 .6 1699151-2
Mouldings–
G28 side center (d.2)–
chrome 30.75 .3 9635472-3
colored, order by color 30.00 .3 9635466
G29 side lower (d.2) 31.00 .3 9633938-9
G30 belt 27.50 .2 1686414-5
G31 edge guard 5.60 .1 1607144-3
G32 window frame, front 12.00 .2 1686422-3
G33 –upper 10.05 .2 1686424-5
G34 –rear 9.15 .2 1686426-7
Mirror, right, '76-'77 50.25 1.5 20050592
'78 50.25 1.5 20050592
'79 38.00 1.5 20096518
left, '76 48.25 .7 1699746
'77-'78, exc 31.75 .7 20096519
–w/thermometer 80.75 .7 20097771
–'79, exc 31.75 .7 20096519
–w/thermometer 79.50 .7 20096557
Glass, GM 54.25 1.2 1693366-7
–NAGS 52.90 D5353-4T
channel, lower sash 5.60 9739698
–front 8.80 1698874
regulator 61.50 1.0 20041560-1
–motor 56.70 1697345-6
Handle, outside less button–
1976 exc 16.15 .8 20051814-5
–lighted 38.25 .8 1704674-5
1977-'78 exc 16.15 .8 20051814-5
–lighted 36.00 20051828-9
1979 exc D 17.40 20109958-9
–lighted 36.00 20113976-7
button, '76 exc 7.55 9633926
–w/light 8.05 9633303
–'77-'79 exc 7.55 9633926
–w/light 7.55 9633786
Lock, exc 40.25 .9 1689844-5
–'79, left 40.25 .9 1748561
actuator, '76 38.50 9633798
–'77-'79 25.90 22020256
cylinder, uncoded–
'76 exc 5.10 9632738
–w/anti-theft 5.10 9632741
'77 exc 3.60 9632749
–w/anti-theft 3.80 9632751
'78 5.05 345074
'79, exc 4.65 9632769
–w/anti-theft 5.05 9632728
striker 3.15 20038395
Hinges–
upper 16.00 .8 9817406-7
lower 27.25 .6 3063211-2

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


CENTER PILLAR

G35 Pillar (p1.0) 172.00 #5.0 20029762-3
Hinge cover 12.60 .2 1709074-5

# With rocker replacement 3.5. With roof replacement 2.5. For a new pillar installation, add for painting. Painting time does not include the cost of the paint or related preparation materials.


REAR DOOR

Assembly, Remove & Reinstall 1.3
Trim panel, Remove & Reinstall .8
G36 Door right exc (p2.5) 427.00 #4.5 20108558
–'79 (p2.5) 427.00 #4.5 20108558
–left (p2.5) 427.00 #4.5 20108559
G37 Outer panel, right (p2.5) 74.75 #5.0 20108562
–left, exc (p2.5) 74.75 #5.0 20108563
–'79 (p2.5) 74.75 #5.0 20108563
G38 reinforcing bar 51.25 §.6 1685642-3
Weatherstrip around door 39.25 .6 1699153-4
Moulding–
G39 side center (d.2)–
chrome 28.00 .3 9635474-5
colored, black–
–'76-'77 order by color 27.75 .3 9633329
–'78-'79 order by color 28.75 .3 9635469
G40 lower (d.2) 22.60 .2 9633298
G41 belt 21.20 1686382-3
G42 edge guard 6.40 .1 1607146-5
G43 window frame, front 9.15 .2 1686386-7
G44 –upper 12.85 .2 1686388-9
G45 –rear 9.15 .2 1686396-7
Glass, GM 45.25 1.2 1693368-9
–NAGS 43.60 D5355-6T
channel, lower sash, exc 4.75 1698860-1
–'79 4.75 1698860
–run 6.45 1698875
regulator, right 57.00 1.0 20041580
–left, '76 82.00 1.0 1697763
–'77-'79 57.00 1.0 20041581
–motor, '76-'77 56.70 1697345-6
–'78-'79 A59.98 4999678-80
Ventilator glass, GM 27.75 .8 1693370-1
–NAGS 28.00 V5357-8T
channel, glass 9.85 1699876-7
G46 –division, R 25.50 1691401
–L 25.25 1691402
–outer scalp 9.10 1697080-1
–inner scalp 9.10 1697082-3
Lock 33.25 .7 1748566-7
electric actuator, '76 38.50 9633798
–'77-'79 25.90 22020256
striker 3.15 20038395
Handle, outside, exc 16.15 .6 20051814-5
–'79 16.15 .6 20109970-1
Hinge, upper 15.95 .8 1694444-5
–lower 35.25 .8 1696026-7

# For a new door or outer panel installation, add for drilling & painting. Painting time does not include the cost of the paint or related prepatation materials. Drilling time is shown with the ornamentation.
§ After outer panel is removed.


ROCKER PANEL

G47 Panel, outer (p1.0) 63.75 #5.3 1748862-3
G48 –inner, '76 29.50 §1.5 1697771-2
G48 –'77-'79 32.00 §1.5 20029745-6
G49 filler, rear 4.75 1690778-9
G50 Moulding (d.3) 68.00 .3 3634028-7
Shield, sill to body 6.40 1608286
Sill plate, front 28.00 .2 1711479
–rear 28.25 .2 1711480

# Time is for cutting at pillars. Section within any door opening 2.5. With hinge pillar replacement 3.9. With center pillar or quarter panel replacement 3.5. For a new rocker panel replacement, add for drilling & painting. Painting time does not include the cost of paint or related preparation materials. Drilling time is shown with mouldings.
§ After outer panel is removed.


SEAT TRACKS

Driver, electric 6-way–
–outer, '76 141.00 #1.0 1706354
–'77-'78 141.00 #1.0 20021306
–'79 155.00 #1.0 20114708
–inner, '76 141.00 #1.0 1706355
–'77-'78 141.00 #1.0 20021305
–'79 155.00 #1.0 20114707
Passenger, electric 2-way–
–outer 74.50 #1.0 1690771
–inner 74.50 #1.0 20052413
Pass, wo/gearnut or jackscrew–
–right 38.50 #1.0 1697255
–left 38.50 #1.0 1697262

# Time is for overhaul.

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 en '78 Seville.

Electrical troubleshooting

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