CadillacFleetwood1985Overview/cadillac/fleetwood/1985/base/

1985 Cadillac Fleetwood

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1985 Fleetwood.

The 1985 Cadillac Fleetwood is an automotive model utilizing 4.5 quarts of engine oil with compatible viscosities of 20W-20, 15W-40, or 10W-30. Reliability data for this year shows three recalls and 17 total owner complaints, most of which were concentrated in the power train. This puts the 1985 model in a different reliability bracket than the 1990-1998 era, which saw complaints peak at 46 in 1993 and drop to a low of 4 by 1998.

Model year199619951994199319921991198919881985

Quick specs

Fluid capacities, tune-up values and fuel economy at a glance.

Engine oil capacity4.5 qtOEM · verified
Engine oil type20W-20 / 15W-40 / 10W-30OEM · verified

Fitment & sizes

Replacement part sizes and factory part numbers — battery, bulbs, filters and belts.

From the factory this vehicle uses OE oil filter 12737090. Each part links to every other vehicle that shares it, so a part you already stock may fit more of your fleet than you'd expect.

OE service part numbers OEM · verified

Engine oil filter12737090 alt 12731179
Engine air filter25040929 alt 25041208
Fuel filter22522452 alt 25055083
Spark plug19354416
Front wiper blades22155381 alt 15184702
Serpentine belt09433885 alt 11502345
Thermostat10207381 alt 03539588

Full specifications

Engine, drivetrain, dimensions and economy.

Dimensions & weight NHTSA vPIC

Overall length194.9 in
Overall width71.7 in
Overall height55.1 in
Wheelbase111 in
Curb weight3325 lb
Weight distribution (front / rear)64/38

Performance & power Independent road tests

0–60 mph, quarter-mile, horsepower and torque from independent road tests.

Independent road tests for the Fleetwood of this era, listed by trim and engine — this page spans more than one engine, so no single horsepower figure is shown.

11.7 sec0–60 mph (tested)quickest 11.70 sec — 1985 Sedan
YearTrim / engine0–60¼ mileHPDrivetrain
1985Sedan 4.1L V811.70 sec18.20 sec135 hpFWD
198960 Special Sedan 4.5L V89.10 sec17.00 sec155 hpFWD

Service quick specs OEM factory data

Capacities, torques and tune-up values from the factory service manual.

This engine holds 4.5 qt of 20W-20 / 15W-40 / 10W-30 engine oil, 80W-90 · GL-5 in the differential, DOT 3 brake fluid.

Lubricants & capacities

Brake FluidDOT 3
Differential Gear Oil80W-90 · GL-5
Differential Gear Oil Capacity4.3 qt
Engine CoolantETHYLENE GLYCOL
Engine Oil20W-20 · 15W-40 · 10W-30
Engine Oil Capacity4.5 qt
Engine OilAPI · 15W-30 · 10W-30
Engine Oil Capacity5 qt

Factory maintenance schedule OEM · verified

Normal service, condensed from the factory interval matrix.

Under the factory schedule, replace the engine oil and filter every 5,000 mi; coolant every 30,000 mi. The big-interval services (every 30,000 mi for coolant, and the transmission fluid) are the ones owners most often skip — on a lower-mileage example, assume the original fluids are still in it and check them first.

At 5,000 miExhaust Pressure Regulator (inspect) · Universal Vehicle Operation (inspect idle speed)
Every 5,000 miBody Latches, Locks & Hinges (inspect) · Differential (inspect fluid level) · Engine Oil (drain & refill) · Engine Oil Filter (replace) · Fuel Filter Water Separator (inspect) · Parking Brake Cable (lubricate)
At 7,500 miDrive Axle Assembly (drain & refill) · Throttle Body (torque) · Tire & Wheel Assembly (rotate)
Every 7,500 miBrake System (inspect) · Exhaust System (Complete) (inspect) · Tire & Wheel Assembly (rotate)
Every 15,000 miExhaust Pressure Regulator (inspect) · PCV System (inspect) · Tire & Wheel Assembly (rotate)
Every 30,000 miAccessory Drive Belt (inspect) · Diesel Fuel Injection Pump Timing (inspect) · EGR System (inspect) · Engine Air Filter Element (replace) · Engine Breather Filter (replace) · Engine Coolant System (drain, flush & refill)
Every 100,000 miTransmission Fluid & Filter (replace)

Reliability & federal safety record

Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.

The provided federal record does not include data for 1985; the year-by-year trend begins in 1990, five years after the target model year, so direct comparison is not possible. However, the data from 1990-1998 shows significant variability: complaints peaked in 1993 (46) and 1996 (31), with recalls ranging from 0-5 per year and TSBs climbing steadily to 23 by 1996, indicating increasing complexity and field issues in later Fleetwood models. For the 1985 model specifically, the top complaint areas were Power Train and Electrical System (3 each), followed by Wheels and Engine & Engine Cooling (2 each), with zero crash and fire complaints reported. Since the target year falls outside the documented trend window, no definitive conclusion can be drawn about where 1985 sits relative to the generation's complaint arc. The lack of crash or fire complaints is a positive indicator, but the absence of trend data for 1985 itself limits predictive confidence—this year may be acceptable if well-maintained, though the later-year trend suggests谨慎评估.

3
Open recalls
NHTSA campaigns
0
Service bulletins
Manufacturer communications
4
ODI investigations
Office of Defects Investigation
17
Owner complaints
0 involved a crash · 0 a fire
NHTSA crash-test rating federal NCAP · out of 5 stars
Overall★★★★★
Frontal★★★★★
Side★★★★★
Rollover★★★★
Owner complaints by model year NHTSA · this generation & adjacent

Owner complaints filed with NHTSA, by component

All 17 complaints on record, top 8 components.

Power Train3
Electrical System3
Wheels2
Engine & Engine Cooling2
Equipment2
Vehicle Speed Control1
Steering1
Service Brakes, Hydraulic1

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 2 of 3 campaigns on record for this vehicle.

90V093000Equipment:Other:LabelsReported 09/05/1990

VEHICLE DESCRIPTION: LIMOUSINES BUILT BY EMPIRE COACH. VEHICLE ALTERERS LABEL MAY BE MISSING OR INCOMPLETE. Remedy: ADD COMPLIANCE LABEL.

90V050000Seat Belts:Front:AnchorageReported 06/03/1990

SAFETY BELTS (TYPE 1 LAP BELTS) FOR REAR FACING SEATS WERE NOT INSTALLED. Remedy: INSTALL SAFETY BELTS FOR REAR FACING SEATS.

Common OBD-II trouble codes

The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.

P0420
Catalyst system efficiency below threshold — Bank 1
P0300
Random / multiple cylinder misfire detected
P0171
System too lean — Bank 1
P0455
Evaporative emission system leak detected — large leak
P0128
Coolant thermostat below regulating temperature
P0442
Evaporative emission system leak detected — small leak

VIN tools

Decode factory build data for a specific vehicle by VIN.

VIN
Decode a VIN to confirm the transmission and build data for a specific Fleetwood. OEM
Build data
Plant, GVWR class, engine and body data for any 17-character VIN.
Recalls
Check open recall campaigns against a specific vehicle by VIN.

Vehicles with shared specs

Find every vehicle that shares this one's battery, bulbs, oil capacity, platform or parts.

Reference guides

Cross-vehicle references for the kinds of data on this page.

Frequently asked

How much oil does the 1985 Fleetwood take?

4.5 qt of ABOVE 40 degrees F: 30, ABOVE 20 degrees F: 20W-20, ABOVE 10 degrees F: 15W-40, ABOVE 0 degrees F: 10W-30,, per the factory manual.

Does the 1985 Fleetwood have open recalls?

NHTSA lists 3 recall campaign(s) for this model year. Check your specific vehicle by VIN.