PontiacLeMans1989Overview/pontiac/lemans/1989/base/

1989 Pontiac LeMans

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1989 LeMans.

Characterized by maintenance specifications requiring 4 qt of 5W-30 API engine oil, the 1989 Pontiac LeMans presents a distinct reliability profile within the available data. Documentation for this model year records 18 total owner complaints centered on Seat Belts and notes 2 recalls. This complaint volume sits below the subsequent model complaint history spanning 1990 to 1993, where the lowest annual count reached 25 issues in 1992, consequently placing the 1989 model year at a lower complaint level than the following years covered.

Model year199319921991198919881981198019791978

Quick specs

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

Engine oil capacity4 qtOEM · verified
Engine oil type5W-30 APIOEM · verified

Fitment & sizes

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

From the factory this vehicle uses OE oil filter 12731175. Note the factory fuel filter is now discontinued — plan on a superseded or quality aftermarket equivalent, which the part pages below list where known.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 filter12731175 alt 25325404
Engine air filter25043317 alt 25040881
Fuel filter25171792 discontinued
Spark plug05613878 alt 05613932
Front wiper blades90188192 alt 90449728
Serpentine belt90299543 alt 10198884
Thermostat03038094 alt 90322033

Service quick specs OEM factory data

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

This engine holds 4 qt of 5W-30 API engine oil, DOT 3 brake fluid.

Lubricants & capacities

Brake FluidDOT 3
Engine CoolantETHYLENE GLYCOL
Engine Oil5W-30 · API
Engine Oil Capacity4 qt
Engine Oil5W-30 · API
Engine Oil Capacity4 qt
Power Steering FluidUSE GM PART NO. 1052884 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 at 7,500 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 7,500 miEngine Oil Filter (replace) · Throttle Body (torque) · Tire & Wheel Assembly (rotate)
Every 7,500 miAxle Shaft Oil Seal (inspect) · Body Latches, Locks & Hinges (inspect) · Brake System (inspect) · CV Joint Boot (inspect) · Engine Oil (drain & refill) · Exhaust System (Complete) (inspect)
Every 15,000 miEngine Oil Filter (replace) · Tire & Wheel Assembly (rotate)
Every 30,000 miAccessory Drive Belt (inspect) · Distributor Cap (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 1989 Pontiac LeMans anchors the start of the federal complaint record, which begins in 1990 and shows complaints holding in a 25–34 range through 1993 with no meaningful upward escalation across the generation. For 1989 specifically, the documented breakdown is dominated by seat belts (7) and hydraulic service brakes (4), followed by minor electrical (2) and exterior lighting (1) reports, with one crash complaint and zero fire complaints. The high concentration of seat belt complaints in the lead year of the record is notable—typically such issues surface later in a vehicle's service life—and while the data does not specify a root cause, the pattern warrants attention to the restraint system. Recalls and investigations trend favorably across the four recorded years (3→3→2→2 and 3→3→2→1 respectively from 1990 to 1993), implying that the bulk of safety campaigns were launched early in the generation, which is a positive signal for the 1989 model if those remedies were already applied. On balance, 1989 is a defensible year to consider, but a pre-purchase inspection of the seat belt assemblies and hydraulic brake system is strongly advised given their weight in the complaint profile.

2
Open recalls
NHTSA campaigns
0
Service bulletins
Manufacturer communications
1
ODI investigations
Office of Defects Investigation
18
Owner complaints
1 involved a crash · 0 a fire
Owner complaints by model year NHTSA · this generation & adjacent

Owner complaints filed with NHTSA, by component

All 18 complaints on record, top 8 components.

Seat Belts7
Service Brakes, Hydraulic4
Electrical System2
Exterior Lighting1
Exterior Lighting,Visibility,Unknown Or Other1
Equipment1
Wheels1
Steering1

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 2 of 2 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…

93V154000Seat Belts:Front:Buckle AssemblyReported 21/09/1993

THE SAFETY BELT BUCKLE ASSEMBLIES MAY NOT LATCH OR MAY NOT RELEASE DUE TO THE FRACTURE OF THE RED RELEASE PUSH BUTTON. Remedy: REPLACE OR REPAIR THE SAFETY BELT BUCKLES.

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 LeMans. 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 1989 LeMans take?

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

Does the 1989 LeMans have open recalls?

NHTSA lists 2 recall campaign(s) for this model year. Check your specific vehicle by VIN.