ChevroletMonte Carlo1985Overview/chevrolet/monte-carlo/1985/base/

1985 Chevrolet Monte Carlo

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

The 1985 Chevrolet Monte Carlo, a personal-luxury coupe on GM’s G-body platform, carries a modest 4-quart oil capacity with recommended viscosities of 20W-20, 20W-40, or 20W-50, and stands out in its reliability record with only four total owner complaints and two recalls, the top concern being seat belts, structure, and seats. Within the model’s broader complaint history—tracked from 1990 to 2010, where the peak year (2001) saw 285 complaints and the lowest (1991) just one—the 1985’s four complaints place it among the more trouble-free years, suggesting a relatively stable ownership experience for this vintage.

Model year200720062005200420032002200120001985

Quick specs

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

Engine oil capacity4 qtOEM · verified
Engine oil type20W-20 / 20W-40 / 20W-50OEM · verified

Fitment & sizes

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

From the factory this vehicle uses OE oil filter 12708762. Note the factory fuel filter is now discontinued — plan on a superseded or quality aftermarket equivalent, which the part pages below list where known.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 filter12708762 alt 12737090
Engine air filter06484235 alt 06483645
Fuel filter5651803 discontinued · alt 25171792
Spark plug19354415 alt 19354427
Front wiper blades15184702
Serpentine belt00469595 alt 09433764
Thermostat12514334 alt 10207373

Full specifications

Engine, drivetrain, dimensions and economy.

Dimensions & weight NHTSA vPIC

Overall length200.4 in
Overall width71.7 in
Overall height54.3 in
Wheelbase108.3 in
Curb weight3139 lb
Weight distribution (front / rear)57/43

Performance & power Independent road tests

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

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

7.8 sec0–60 mph (tested)quickest 7.80 sec — 1985 SS Coupe
YearTrim / engine0–60¼ mileHPDrivetrain
1985SS Coupe 5.0L V87.80 sec15.90 sec180 hpRWD
1983SS Coupe 5.0L V87.97 sec16.08 sec175 hpRWD
1983SS Coupe 5.0L V88.20 sec16.10 sec175 hpRWD
1983SS Coupe 5.0L V88.50 sec16.40 sec175 hpRWD
1987SS Aerocoupe Coupe 5.0L V89.40 sec16.60 sec180 hpRWD

Service quick specs OEM factory data

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

This engine holds 4 qt of 20W-20 / 20W-40 / 20W-50 engine oil, DOT 3 brake fluid.

Lubricants & capacities

Brake FluidDOT 3
Engine Oil20W-20 · 20W-40 · 20W-50 · 15W-40 · 5W-30
Engine Oil Capacity4 qt
Engine Oil20W-20 · 20W-40 · 20W-50 · 15W-40 · 5W-30
Engine Oil Capacity4 qt
Engine Oil20W-20 · 20W-40 · 20W-50 · 15W-40 · 5W-30
Engine Oil Capacity4 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 at 7,500 mi.

At 7,500 miCarburetor Mounting Fasteners (inspect) · Choke System (inspect) · Drive Axle Assembly (drain & refill) · Engine Oil Filter (replace) · Throttle Body (torque) · Tire & Wheel Assembly (rotate)
Every 7,500 miAccessory Drive Belt (inspect) · Body Latches, Locks & Hinges (inspect) · Brake System (inspect) · Differential (inspect fluid level) · Engine Oil (drain & refill) · Exhaust System (Complete) (inspect)
Every 15,000 miEngine Oil Filter (replace) · Tire & Wheel Assembly (rotate)
Every 30,000 miChoke System (inspect) · Distributor Cap (inspect) · Distributor Vacuum Advance (inspect) · EGR System (inspect) · Engine Air Filter Element (replace) · Engine Breather Filter (replace)
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 1985 Chevrolet Monte Carlo sits outside the earliest entry in the provided federal record, which begins in 1990; consequently, direct year-over-year comparisons to years before 1990 are not available in the data. For the target year itself, the record shows only four discrete complaint categories—Seat Belts,Structure,Seats; Service Brakes, Hydraulic; Service Brakes, Hydraulic,Exterior Lighting; and Tires—each with a single incident, plus one crash complaint and zero fire complaints, while recalls, investigations, and TSBs are not documented for 1985. Across the generation-spanning record, the federal footprint is negligible in 1990–1991, then surges dramatically from 1995 onward, cresting between 2000 and 2004 with hundreds of complaints, multiple recalls, and hundreds of TSBs before tapering in the late 2000s. Because 1985 predates this escalation and registers only isolated complaints, it falls at the low-exposure origin of the arc, implying a far lighter federal complaint and recall burden than the peak years of the generation. The data does not specify root causes for the 1985 complaints, but the absence of recalls and the minuscule complaint count make this a comparatively favorable year to acquire from a federal-record standpoint.

2
Open recalls
NHTSA campaigns
1
Service bulletins
Manufacturer communications
4
ODI investigations
Office of Defects Investigation
4
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 4 complaints on record, top 4 components.

Seat Belts,Structure,Seats1
Service Brakes, Hydraulic1
Service Brakes, Hydraulic,Exterior Lighting1
Tires1

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…

07E088000EquipmentReported 24/10/2007

CERTAIN HONEYWELL FRAM RACING BRAND HP4 AND HP8 OIL FILTERS THAT WERE MANUFACTURED FROM MAY 25, 2006, THROUGH SEPTEMBER 14, 2007, AND SOLD FOR USE AS REPLACEMENT EQUIPMENT FOR VEHICLES LIST ABOVE. THE AFFECTED FILTERS… Remedy: HONEYWELL WILL REPLACE THE AFFECTED OIL FILTERS FREE OF CHARGE. THE RECALL BEGAN DURING NOVEMBER 2007. OWNERS CAN CONTACT FRAM CUSTOMER SERVICE TOLL-FREE AT 1-800-890-2075.

Technical service bulletins NHTSA · verified

Showing 1 of 1 bulletins on record with NHTSA.

BulletinDateComponentSummary
0006010192000-10-01Engine And Engine CoolingSOME OWNERS MAY COMMENT ON HIGH OIL CONSUMPTION AFTER A GM GOODWRENCH REMANUFACTURED 4.3L…

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 Monte Carlo. 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 Monte Carlo take?

4 qt of ABOVE 40 degrees F 30, ABOVE 20 degrees F: 20W-20, 20W-40, 20W-50, ABOVE 10 degrees F: 15W-40, BELOW 60 degrees F: 5W-30, per the factory manual.

Does the 1985 Monte Carlo have open recalls?

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