Cadillac Moels & History 1985

Front-wheel drive now became the rule at Cadillac, as in nearly all other makes. Two grand old names, DeVille and Fleetwood, made the switch this year. All Cadillacs except the subcompact Cimarron (and carryover rear-drive Brougham) now carried a transverse-mounted, fuel-injected 4.1 liter V-8 engine with die-cast aluminum-block. Two safety improvements arrived this year: anti-lacerative windshield glass (with inner layer of two-part plastic) on Seville’s Elegante, plus a high-mount stop lamp on all DeVilles and Fleetwoods. That stop lamp would become required on all cars for 1986.

V.I.N. NUMBERS

  • Cadillacs again had a 17-symbol Vehicle Identification Number (VIN), stamped on a metal tag attached to the upper left surface of the cowl, visible through the windshield. Coding changed to reflect the new front-drive models.
  • The first character is a “1” to indicate the manufacturing country (U.S.A.)
  • The second character is a “G” for General Motors
  • The third is a “6” for Cadillac Division
  • Character four is the car line (GM body):
    • “J” = Cimarron
    • “K” = Seville
    • “C” = Deville/Fleetwood
    • “D” = Brougham
    • “E” = Eldorado
  • Character five indicates series:
    • “G” = Cimarron
    • “S” = Seville
    • “D” = DeVille
    • “B” = Fleetwood
    • “H” = Fleetwood limousine
    • “W” = Fleetwood Brougham (rear drive)
    • “L” = Eldorado
  • Digits six and seven indicate body type:
    • “47” = 2-dr. coupe
    • “69” = 4-dr. sedan
    • “23” = eight passenger limousine
    • “33” = formal limousine
    • “57” = Eldorado coupe
    • “67” = Eldorado convertible
  • Next is the engine code:
    • “P” = L4-121 TBI
    • “W” = V6-173 FI
    • “8” = V8-249 DFI
    • “T” = V6-262 diesel
    • “N” = V8-350 diesel
  • The next symbol is a check digit.
  • Symbol ten indicates model year (“F” = 1985)
  • Next is a code for assembly plant:
    • “9” = Detroit
    • “E” = Linden, NJ
    • “J” = Janesville, WI.
  • Finally comes a six-digit production sequence number
    • starting with 000001 for Detroit built cars
    • 400001 for Janesville
    • 600001 for Linden (E-body)
    • 800001 for Linden (K-body)
  • An identifying number is also on the engine, and a set of codes on a body number plate.

SPECIFICATIONS

FLUID CAPACITIES

Engine V8 250cc (4.1L) V8 350cc (5.7L) Diesel
Crankcase 4 qt 6 qt
Crankcase with new filter 5 qt 7
AutomaticTransmission after draining 10 pt 10 pt
Drive Axle 3.5 or 3.2 pt 3.5 or 3.2
Fuel tank 24.5 or 20.3 gal(US) 26 or 22.8 gal(US)
Cooling with heater 11 qt 23.7 or 18.4 qt
Cooling with A/C 11 qt 23.7 or 18.4 qt
Heavy duty Cooling NA NA

GASOLINE ENGINE TUNE-UP SPECS

Engine V.I.N Code 8
Engine type V8-250cc (4.1L)
Fuel delivery DFI
Manufacturer Cadillac
Original Spark plug R42CLTS6
Gap 0.060 in.
Distributor Electronic
Ignition timing (BTDC) See underhood sticker
Intake valve opens (BTDC) See underhood sticker
Fuel pump pressure 12 – 14
Idle speed See underhood sticker

ALTERNATOR AND REGULATOR SPECS

Part # 1102921 1101040 1101046 1101050 1101091
Field current @ 12 V 4 – 4.5 4 – 4.5 4 – 4.5 4 – 4.5 4 – 4.5
Output 63 amps 70 amps 80 amps 100 amps 100 amps
Regulator Solid state Solid state Solid state Solid state Solid state
Volts @ 75° 13.8 – 14.8 13.8 – 14.8 13.8 – 14.8 13.8 – 14.8 13.8 – 14.8

BATTERY AND STARTER SPECS

Engine V8-250cc (4.1L) V8-350cc (5.7L)Diesel
Battery Ampere Hour Capacity 540 amps cold cranking power @ 0°F
Battery Volts 12 12
Battery Terminal Grounded Neg. Neg.
Starter, Lock Test, Amps Not Recommended
Starter, Lock Test, Volts
Starter, Lock Test, Torque
Starter, No-Lead Test, Amps 65 – 95 40 – 140
Starter, No-Lead Test, Volts 9 9
Starter, No-Lead Test, RPM 7000 – 10500 8000 – 13000
Starter, Brush Spring Tension 35 oz. min. 35 oz. min.

GENERAL ENGINE SPECS

Engine V.I.N Code 8 N
Engine type V8-250cc(4.1L) V8-350cc(5.7L)
Manufacturer Cadillac Oldsmobile
Fuel delivery DFI Diesel
Horsepower [email protected] [email protected]
Torque [email protected] [email protected]
Bore x Stoke 3.465 x 3.307 4.057 x 3.385
Compression Ratio 8.5:1 (9:1 with Swirl Cylinder Heads)
Oil pressure 30 psi 40 psi

CRANKSHAFT SPECS

Engine type V8-250cc(4.1L) V8-350cc(5.7L) Diesel
Main Brg Journal Dia. 2.640 2.9993 – 3.0003
Main Brg Oil Clearance 0.0004 – 0.0027 0.0005 – 0.0021 (No. 5: 0.0015 – 0.0031)
Shaft End-play 0.001 – 0.007 0.004 – 0.014
Thrust on No. 3 3

CONNECTING ROD SPECS

Engine type V8-250cc(4.1L) V8-350cc(5.7L) Diesel
Journal Dia. 2.052 – 2.054 2.1238 – 2.1248
Oil Clearance 0.0005 – 0.0028 0.0005 – 0.0026
Side Clearance 0.008 – 0.020 0.006 – 0.020

PISTON AND RING SPECS

Engine type V8-250cc(4.1L) V8-350cc(5.7L) Diesel
Piston-Bore Clearance 0.0008 0.0035 – 0.0045
Ring Side Clearance: Top Compression 0.0016 – 0.0037 0.005 – 0.007
Ring Side Clearance: Bottom Compression 0.0016 – 0.0037 0.003 – 0.005
Ring Side Clearance: Oil Control None (side sealing) 0.001 – 0.005
Ring Gap: Top Compression 0.015 – 0.025 0.019 – 0.027
Ring Gap: Bottom Compression 0.015 – 0.025 0.013 – 0.021
Ring Gap: Oil Control 0.010 – 0.050 0.015 – 0.055

VALVE SPECS

Engine type V8-250cc(4.1L) V8-350cc(5.7L) Diesel
Seat Angle 45° 45°(intake); 31° (exhaust)
Face Angle 44° 44°(intake); 30° (exhaust)
Spring Test Pressure 167 lb @ 1.34″ 210 lb @ 1.22″
Spring Installed Height 1-43/64″ 1-43/64″
Stem-to-Guide Clearance: Intake 0.0010 – 0.0030 0.0010 – 0.0027
Stem-to-Guide Clearance: Exhaust 0.0010 – 0.0030 0.0015 – 0.0032
Stem Diameter: Intake 0.3413 – 0.3420 0.3425 – 0.3432
Stem Diameter: Exhaust 0.3411 – 0.3418 0.3420 – 0.3427

TORQUE SPECS

Engine type V8-250cc(4.1L) V8-350cc(5.7L) Diesel
Cyl. Head Bolts 90 ft.lb 130 ft. lb
Rod Brg Bolts 20 ft.lb 42 ft. lb
Main Brg Bolts 85 ft.lb 120 ft. lb
Crankshaft Damper or Pulley Bolt Press fit 200 – 310 ft. lb
Flywheel to Crankshaft Bolts 20 ft.lb 60 ft. lb
Intake Manifold 18 – 22 ft.lb 40 ft. lb
Exhaust Manifold 20 ft.lb 25 ft. lb

CARBURETOR SPECS

Carb ID 7056232 (M4ME) 7056230 (M4ME) 7056530 (M4ME)
Float Level 13/32 in 13/32 in 7/16 in
Air Valve Spring 3/8 turn 3/8 turn 3/8 turn
Pump Rod 3/8 in 3/8 in 9/32 in
Primary Vacuum Break 0.160 in 0.160 in 0.160 in
Secondary Vacuum Break 0.160in 0.160in 0.160 in
Choke Rod 0.080 in 0.080 in 0.080 in
Choke Unloader 0.230 in 0.230 in 0.230 in
Fast Idle Speed 1400 rpm 1400 rpm 1400 rpm

WHEEL ALIGNMENT SPECS

Feature Eldorado Full size Seville
Caster Range 2°P – 2½°P 3½°P – 4½°P 2°P – 2½°P
Caster Pref. 2°P 4°P 2°P
Camber LH wheel Range 0° to ½°P 3/32°P to 57/64°P 0° to ½°P
Camber LH wheel Pref. ½°
Camber RH wheel Range 0° to ½°P 3/32°P to 57/64°P 0° to ½°P
Camber RH wheel Pref. ½°
Toe-In 0 to ½”P 18 in. 0 to ½P
Steering Axis Inclination 11° 10-19/32° 11°

HISTORICAL NOTES

1985 Cadillac Notes

  • Fleetwood and DeVille were introduced April 5, 1984; Eldorado and Seville, October 2, 1984; Cimarron, November 8. 1984.
  • John O. Grettenberger was general manager
  • Edward H. Mertz was chief engineer for part of the year
  • Warren D. Hirschfield became chief engineer
  • Wayne Kady was chief designer (Cadillac Studio)
  • L. B. Pryor was general sales manager
  • Model year production: 394,840 (including 45,330 early ’85 front-drive DeVille/Fleetwoods).
  • That total included 11,968 V-6 engines and 1,088 diesels.
  • Calendar year production: 322,765.
  • Calendar year sales by U.S. dealers: 298,762 for a 3.6 percent market share.
  • Model year sales by U.S. dealers: 310,942 (not including 46,356 front-drive DeVille/Fleetwoods sold as early 1985s). The delayed arrival of the new front-drive DeVille/Fleetwood was due to shortages of the Type 440 four-speed automatic transaxle, produced at GM’s Hydra-matic Division.
  • Production had been delayed for six months.
  • For that reason, both rear-drive and front-drive DeVilles were offered to the public at the same time for a while during 1984.
  • A strike at GM of Canada affected supplies to over 30 General Motors plants in the U.S., including Cadillac’s.
  • Cadillac production figures
Cimarron19,890 (decreased 2,008)
Fleetwood/de Ville series231,706 (increased 40,196)
Eldorado76,401 (decreased 1,405)
Seville39,755 (decreased 242)
Series 75405 (decreased 1,434)

1985 Automotive Notes

  • GM news:
  • Ford news:
  • Chrysler news:
  • AMC news:
  • Other makes news:
  • Top American Automobile Corporations for 1985


1. General Motors4,490,883
2. Ford1,735,782
3. Chrysler1,315,326
4. AMC150,189
5. OthersN/A


  • Top model year production for 1985
Chevrolet1,418,098
Oldsmobile1,165,649
Ford1,149,427
Buick1,002,906
Skyhawk82,516
Skylark93,157
Somerset Regal86,071
Century261,235
Regal124,546
LeSabre149,487
Electra149,276
Riviera65,305
Pontiac519,390
Dodge500,835
Chrysler420,780
Mercury419,869
Plymouth393,711
Cadillac384,840
Cimarron19,890
Seville39,755
DeVille & Fleetwood140,866
Eldorado76,401
Fleetwood Brougham55,450
Fleetwood Limousine405
Lincoln166,486
AMC150,189
Encore58,525
Alliance91,664
Eagle 3016,190
AvantiN/A