OldsmobileCustom Cruiser1986Overview/oldsmobile/custom-cruiser/1986/base/

1986 Oldsmobile Custom Cruiser

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1986 Custom Cruiser.

Transmission Automatic 4-spd

The 1986 Oldsmobile Custom Cruiser pairs an Automatic 4-spd transmission with an engine requiring 4 qt of 5W-30 API oil, returning EPA fuel economy ratings of 15 city, 22 highway, and 17 combined mpg. Reliability data shows the vehicle has accumulated 10 total owner complaints and a single recall, with the most frequently reported issue area being the Service Brakes, Hydraulic system. When contextualized against the model's broader complaint history spanning 1991 to 1994, this model year sits at a relatively moderate point in the Custom Cruiser's reliability lifecycle, logging fewer issues than the 1992 peak of 17 complaints but significantly more activity than the 1993 low of just one complaint.

Model year199219911989198819871986198519841979

Quick specs

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

Engine oil capacity4 qtOEM · verified
Engine oil type5W-30 APIOEM · 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 Note the factory fuel filter is now discontinued — plan on a superseded or quality aftermarket equivalent, which the part pages below list where known.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 filter06484235
Fuel filter5651803 discontinued
Spark plug19366108
Serpentine belt25512309 alt 09433757
Thermostat10207373 alt 22547855

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

TransmissionAutomatic 4-spd

Dimensions & weight NHTSA vPIC

Overall length220.5 in
Overall width79.9 in
Overall height58.7 in
Wheelbase116.1 in
Curb weight4085 lb

Ratings & economy EPA / vPIC

EPA city / highway / combined15 / 22 / 17 mpg
DrivetrainRear-Wheel Drive
Passenger volume110 cu ft
Cargo volume50 cu ft
Recommended fuelRegular Gasoline

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, 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 Capacity4.4 qt
Engine CoolantETHYLENE GLYCOL
Engine Oil5W-30 · API
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; 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 miCarburetor Mounting Fasteners (inspect) · Choke System (inspect) · Drive Axle Assembly (drain & refill) · Engine Oil Filter (replace) · 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 Vacuum Advance (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 1986 Oldsmobile Custom Cruiser is primarily flagged for Service Brakes, Hydraulic issues, which account for 9 of its federal complaints, alongside 1 Engine & Engine Cooling complaint and zero crash or fire incidents. The provided federal record for this vehicle's later generation years (1991-1994) reveals a trend of escalating problems, peaking in 1992 with 17 complaints and 3 recalls, before dropping significantly in 1993 and 1994. Because the 1986 model falls before this documented arc, its pronounced hydraulic brake issues suggest an early, systemic vulnerability that may have contributed to the recall-heavy later years, though the data does not specify the root cause. Unlike the 1991 and 1992 models which received 3 recalls each, the 1986 model lacks a corresponding recall in the dataset to address its braking failures. Consequently, this is a risky year to purchase; any prospective buyer must mandate a rigorous pre-purchase inspection specifically of the hydraulic braking system to mitigate its primary documented failure point.

1
Open recalls
NHTSA campaigns
0
Service bulletins
Manufacturer communications
0
ODI investigations
Office of Defects Investigation
10
Owner complaints
0 involved a crash · 0 a fire
Owner complaints by model year NHTSA · this generation & adjacent

Owner complaints filed with NHTSA, by component

All 10 complaints on record, top 2 components.

Service Brakes, Hydraulic9
Engine & Engine Cooling1

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 1 of 1 campaigns on record for this vehicle.

89V102000Vehicle Speed ControlReported 16/06/1989

A SMALL NYLON BUSHING IN THE CRUISE CONTROL SERVO BAIL MAY SLIP OUT OF PLACE, CAUSING INTERMITTENT AND UNEXPECTED INCREASES IN ENGINE SPEED OR DIESELING (ENGINE RUN ON WITH IGNITION OFF). Remedy: INSTALL A NEW BUSHING IN CRUISE CONTROL SERVO BAIL.

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 Custom Cruiser. 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 1986 Custom Cruiser take?

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

Does the 1986 Custom Cruiser have open recalls?

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

What gas mileage does the Custom Cruiser get?

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