CadillacSeville1999Overview/cadillac/seville/1999/base/

1999 Cadillac Seville

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1999 Seville.

Transmission Automatic 4-spd

The 1999 Cadillac Seville entered its model year backed by a four-speed automatic transmission and an EPA-rated 15 mpg city / 24 mpg highway / 18 mpg combined figure, with its 8-quart oil sump calling for 5W-30 API lubricant. Across the Seville's recorded complaint history from 1990 to 2004, this version accumulated 75 owner reports—a clear step down from the 131 logged in the 1996 high-water mark, though still well above the 17 recorded for 2004—with engine and engine cooling the most frequently cited trouble area and a single recall attached. That middle position makes the 1999 a useful reference point for researchers tracing the nameplate's trajectory from its early-decade problem years toward the markedly lower complaint counts that defined its later production run.

Model year200420032002200120001999199819971996

Quick specs

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

Engine oil capacity8 qtOEM · verified
Engine oil type5W-30 APIOEM · verified
Lug nut torque100 ft-lbsOEM · verified
EPA fuel economy15/24/18 mpgEPA · verified

Fitment & sizes

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

From the factory this vehicle uses a BCI 79 · 800 CCA battery, 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 Note the factory fuel filter is now discontinued — plan on a superseded or quality aftermarket equivalent, which the part pages below list where known.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.

Battery groupBCI 79 · 800 CCAOEM · verified
Tail / brake / turnLAMPSOEM · verified

OE service part numbers OEM · verified

Engine oil filter12731179
Engine air filter19166106
Fuel filter25121293 discontinued · alt 25335945
Spark plug19208535
Front wiper blades15214346 alt 25670415
Serpentine belt12588412 alt 12569505
Thermostat12559807 alt 03522676
Cabin air filter52455790 alt 52482840

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

TransmissionAutomatic 4-spd

Dimensions & weight NHTSA vPIC

Overall length201.2 in
Overall width74.8 in
Overall height55.5 in
Wheelbase112.2 in
Curb weight3971 lb
Track (front / rear)61.4 / 61.4 in
Weight distribution (front / rear)61/39

Ratings & economy EPA / vPIC

EPA city / highway / combined15 / 24 / 18 mpg
DrivetrainFront-Wheel Drive
Passenger volume104 cu ft
Cargo volume15 cu ft
Recommended fuelPremium Gasoline

Performance & power Independent road tests

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

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

6.4–9.2 sec0–60 mph (tested)quickest 6.40 sec — 1996 STS Sedan
YearTrim / engine0–60¼ mileHPDrivetrain
1998STS Sedan 4.6L V86.60 sec15.00 sec300 hpFWD
1998STS Sedan 4.6L V86.80 sec15.30 sec300 hpFWD
1998STS Sedan 4.6L V86.80 sec15.10 sec300 hpFWD
1996STS Sedan 4.6L V86.40 sec14.70 sec300 hpFWD
1995STS Sedan 4.6L V86.40 sec14.70 sec300 hpFWD
1995STS Sedan 4.6L V86.60 sec15.10 sec300 hpFWD
1995SLS Sedan 4.6L V87.30 sec15.40 sec275 hpFWD
1992STS Sedan 4.9L V88.60 sec16.80 sec200 hpFWD

Service quick specs OEM factory data

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

This engine holds 8 qt of 5W-30 API engine oil, DOT 3 brake fluid. Torque lug nuts to 100 ft-lbs, the oil drain plug to 15.0 ft-lbs. The firing order is 1-2-7-3-4-5-6-8. Note the cylinder-head bolts finish on a torque angle (torque-to-yield) — they stretch permanently and should be replaced, not reused, during any head service.

Lubricants & capacities

Brake FluidDOT 3
Engine CoolantDEX-COOL OR EQUIVALENT
Engine Oil5W-30 · API
Engine Oil Capacity8 qt
Power Steering FluidUSE GM PART NO. 1052884 OR EQUIVALENT

Engine torques

Intake Manifold to Engine Bolts7.4 ft-lbs
Exhaust Manifold to Cylinder Head Bolts18 ft-lbs
Engine Oil Pan Drain Plug15.0 ft-lbs
Engine Oil Pan Drain Plug15.0 ft-lbs
Engine Valve Cover Bolts8.0 ft-lbs

Chassis torques

Lug Nuts100 ft-lbs
Front Wheel Hub118 ft-lbs

Ignition

Cylinder Firing Order1-2-7-3-4-5-6-8
Ignition Coil Secondary Resistance5,000-8,000 ohms
Spark Plug ManufacturerAC Delco
Spark Plug TypeAC 41-929
Spark Plug Gap0.050 in
Spark Plug Torque11.0 ft-lbs

Battery & A/C

RefrigerantR134a
Refrigerant Capacity2.00-2.45 lbs
Oil GroupPAG
Oil Type46
Oil Capacity7.00-8.00 oz
RefrigerantR134a
Refrigerant Capacity2.00 lbs
Oil GroupPAG

Service checks

Pressure Test15; Do not exceed 20 psi.
Radiator Cap Pressure Relief15 psi
Thermostat Opening Temperature188-206 °F
Key ON Engine OFF (KOEO)41-47
Injector Primary Resistance8-25 na ohms
Engine Compression140

Brakes

Torque Caliper to Bracket20 ft-lbs / 137 ft-lbs
Torque to Knuckle94 ft-lbs / 100 ft-lbs
Minimum Pad ThicknessFront: 0.030; Rear: 0.030 specification
Rotor Max Parallel Variation0.0005 in
Rotor Runout Limit0.002 in
Rotor Nominal Thickness From1.267 in / 0.433 in
Rotor Nominal Thickness To1.267 in / 0.433 in
Rotor Minimum Machining1.224 in / 0.404 in

Multi-step torque procedures OEM · verified

Crankshaft Pulley and/or Damper Bolts — tightening sequence 1 stages
137 ft. lbs., step 2: 12037 ft. lbs
Cylinder Head — tightening sequence 5 stages
1M11 bolts30 ft. lbs
2M11 bolts70 degrees
3M11 bolts60 degrees
4M11 bolts45 degrees
58.9

Factory maintenance schedule OEM · verified

Normal service, condensed from the factory interval matrix.

Under the factory schedule, replace the engine oil and filter every 7,500 mi; spark plugs every 100,000 mi; coolant at 150,000 mi. The big-interval services (at 150,000 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 7,500 miBrake System (inspect) · Engine Oil (drain & refill) · Engine Oil Filter (replace) · Parking Brake Cable (lubricate) · Shift Linkage (inspect) · Steering Linkage (inspect)
Every 15,000 miCabin Air Filter (replace)
Every 30,000 miEngine Air Filter Element (replace) · Fuel Line (inspect) · Fuel Tank (inspect) · Fuel Tank Filler Cap (inspect) · Throttle Cable (inspect)
Every 60,000 miAccessory Drive Belt (inspect)
Every 100,000 miSpark Plug Wires (inspect) · Spark Plugs (replace)
At 150,000 miEngine Coolant System (drain, flush & refill)

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 1999 Cadillac Seville recorded 75 federal complaints, a modest rebound from the 66 complaints in 1998 but well below the peak of 131 complaints seen in 1996, placing it in the mid‑range of the generation’s complaint curve. Recall activity fell to a single recall in 1999, the lowest level since 1991, while investigations remained steady at one, suggesting fewer systemic safety actions than the earlier 1990s surge. Technical Service Bulletins (TSBs) continued an upward trend, reaching 87 in 1999—just above the 85 issued in 1998 and far higher than the double‑digit figures of the early‑1990s—indicating growing service‑level attention despite fewer formal recalls. The top complaint areas (engine cooling, electrical system, suspension, and airbags) and the low numbers of crash (1) and fire (2) reports imply that most issues are routine maintenance rather than catastrophic failures. **Takeaway:** 1999 sits in a relatively stable part of the model’s history with low recall risk and manageable complaint levels, making it a reasonably sound year to consider for purchase, provided the buyer verifies that any TSB‑related fixes have been performed.

1
Open recalls
NHTSA campaigns
87
Service bulletins
Manufacturer communications
1
ODI investigations
Office of Defects Investigation
75
Owner complaints
1 involved a crash · 2 a fire
Owner complaints by model year NHTSA · this generation & adjacent

Owner complaints filed with NHTSA, by component

All 75 complaints on record, top 8 components.

Engine & Engine Cooling17
Electrical System8
Suspension7
Air Bags6
Service Brakes, Hydraulic5
Steering5
Electrical System,Engine2
Exterior Lighting2

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 1 of 1 campaigns on record for this vehicle.

99V070000Electrical System:Alternator/Generator/RegulatorReported 12/04/1999

VEHICLE DESCRIPTION: PASSENGER VEHICLES. AN ELECTRICAL SHORT CAN DEVELOP IN THE GENERATOR, EVEN WHEN THE ENGINE IS OFF. Remedy: DEALERS WILL REPLACE THE GENERATOR.

Technical service bulletins NHTSA · verified

Showing 5 of 87 bulletins on record with NHTSA.

BulletinDateComponentSummary
PIP4723D2020-01-31Electrical SystemThis Preliminary Information communicates to the dealer the process for downloading or…
PIC4696E2019-11-22EquipmentThis Preliminary Information communication provides information to the technician on how…
17NA0732019-09-18EquipmentThis warranty administration bulletin provides information regarding the field action…
PIC4696D2019-09-05EquipmentThis Preliminary Information communication provides information to the technician on how…
17NA0732019-02-15EquipmentThis warranty administration bulletin provides information regarding the field action…

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 Seville. 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 1999 Seville take?

8 qt of 5W-30 API, per the factory manual.

Does the 1999 Seville have open recalls?

NHTSA lists 1 recall campaign(s) for this model year. Check your specific vehicle by VIN.

What gas mileage does the Seville get?

EPA figures are 15 city / 24 highway / 18 combined mpg.