CadillacFleetwood1988Overview/cadillac/fleetwood/1988/base/

1988 Cadillac Fleetwood

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1988 Fleetwood.

Transmission Automatic 4-spd

Defined by its automatic 4-speed transmission and an engine requiring 4.5 quarts of 10W-30 or 5W-30 oil, the 1988 Cadillac Fleetwood delivers an EPA-estimated 15 city and 22 highway mpg. The model's early reliability profile is notably solid, characterized by just 3 total owner complaints—focusing on the electrical system and vehicle speed control—alongside 3 recalls. When contextualized against the broader 1990-1998 complaint history that later peaks at 46 issues in 1993, the 1988 edition's minimal complaint volume establishes it as a distinctly stable foundation in the Fleetwood lineage.

Model year199619951994199319921991198919881987

Quick specs

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

Engine oil capacity4.5 qtOEM · verified
Engine oil type10W-30 / 5W-30OEM · verified
EPA fuel economy15/22/17 mpgEPA · verified

Fitment & sizes

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

From the factory this vehicle uses OE oil filter 12731179. Note the factory fuel filter is now discontinued — plan on a superseded or quality aftermarket equivalent, which the part pages below list where known. 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 filter12731179
Engine air filter19259030
Fuel filter25171792 discontinued
Spark plug19354416
Front wiper blades22155381
Serpentine belt03531941
Thermostat03539588 alt 03522676

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

TransmissionAutomatic 4-spd

Dimensions & weight NHTSA vPIC

Overall length201.6 in
Overall width71.7 in
Overall height55.1 in
Wheelbase116.1 in
Curb weight3547 lb

Ratings & economy EPA / vPIC

EPA city / highway / combined15 / 22 / 17 mpg
DrivetrainFront-Wheel Drive
Passenger volume110 cu ft
Cargo volume16 cu ft
Recommended fuelRegular Gasoline

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.

9.1–11.7 sec0–60 mph (tested)quickest 9.10 sec — 1989 60 Special Sedan
YearTrim / engine0–60¼ mileHPDrivetrain
198960 Special Sedan 4.5L V89.10 sec17.00 sec155 hpFWD
1985Sedan 4.1L V811.70 sec18.20 sec135 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 10W-30 / 5W-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 Oil10W-30 · 5W-30
Engine Oil Capacity4.5 qt
Power Steering FluidUSE GM PART NO. 1050017 OR EQUIVALENT

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.

Every 5,000 miEngine Oil Filter (replace)
At 7,500 miThrottle Body (torque) · Tire & Wheel Assembly (rotate)
Every 7,500 miBrake System (inspect) · Engine Oil (drain & refill) · Exhaust System (Complete) (inspect) · Parking Brake Cable (lubricate) · Shift Linkage (inspect) · Steering Linkage (inspect)
Every 15,000 miTire & Wheel Assembly (rotate)
Every 30,000 miAccessory Drive Belt (inspect) · Air Injection System Air Pump Filter Element (replace) · EGR System (inspect) · Engine Breather Filter (replace) · Engine Coolant System (drain, flush & refill) · Fuel Line (inspect)
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 1988 Cadillac Fleetwood logged only three total complaints in the federal record, with one crash and no fires, placing it well below the complaint counts of every subsequent year from 1990 onward—where annual totals ranged from 8 to 46. The 1993 model year, for example, saw 46 complaints and three recalls, while 1994 had 27 complaints and five recalls, indicating a clear upward spike in reported issues after the 1988 model. Because the 1988 model sits at the very start of the available data window and shows minimal complaints, it appears to be a low-trouble point in the generation, though the absence of recall data for 1988 means we cannot fully compare its safety campaign history. The trend across the 1990s shows rising complaint and recall activity, peaking in 1993–1994, which suggests later years carried more documented problems. Given its very low complaint count and lack of fire reports, the 1988 Cadillac Fleetwood is a relatively good year to buy within this generation, but the lack of recall data means you should verify any outstanding safety campaigns before purchase.

3
Open recalls
NHTSA campaigns
0
Service bulletins
Manufacturer communications
2
ODI investigations
Office of Defects Investigation
3
Owner complaints
1 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 3 complaints on record, top 3 components.

Electrical System,Vehicle Speed Control1
Service Brakes, Hydraulic1
Vehicle Speed Control1

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 2 of 3 campaigns on record for this vehicle.

06E043000Fuel System, GasolineReported 19/05/2006

CERTAIN REPLACEMENT FUEL FILTERS, FRAM BRAND NAME P/N G3727, WITH DATE CODES X52911 THROUGH X60801 SEQUENTIALLY OR X600141 AND A MEXICO COUNTRY OR ORIGIN MARKING ON THE FUEL FILTER HOUSING MANUFACTURED FROM OCTOBER 18… Remedy: HONEYWELL WILL NOTIFY OWNERS AND REPLACE THE FUEL FILTERS FREE OF CHARGE. THE RECALL BEGAN ON OCTOBER 18, 2006. OWNERS MAY CONTACT FRAM CUSTOMER SERVICE AT 1-800-890-2075 (OPTION…

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.

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 1988 Fleetwood take?

4.5 qt of ABOVE 40 degrees F: 30, ABOVE 0 degrees F: 10W-30, BELOW 60 degrees F: 5W-30, per the factory manual.

Does the 1988 Fleetwood have open recalls?

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

What gas mileage does the Fleetwood get?

EPA figures are 15 city / 22 highway / 17 combined mpg.