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1986 GMC Truck Safari

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

The 1986 GMC Truck Safari takes 3 qt of 10W-30 engine oil.

Model year19861985

Quick specs

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

Engine oil capacity3 qtOEM · verified
Engine oil type10W-30 / 5W-30OEM · verified

Fitment & sizes

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

From the factory this vehicle uses OE oil filter 12737090. Note the factory fuel filter is now discontinued — plan on a superseded or quality aftermarket equivalent, which the part pages below list where known.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 filter12737090 alt 12737092
Engine air filter25040929 alt 25040881
Fuel filter25171792 discontinued
Spark plug19300382 alt 05614046
Front wiper blades15184702
Serpentine belt09442377 alt 09433720
Thermostat10207373 alt 03050922

Service quick specs OEM factory data

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

This engine holds 3 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 Capacity4.0 qt
Engine CoolantETHYLENE GLYCOL
Engine Oil10W-30 · 5W-30
Engine Oil Capacity3 qt
Engine Oil10W-30 · 5W-30
Engine Oil Capacity6 qt

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 miDrive Axle Assembly (drain & refill) · Engine Oil Filter (replace) · Throttle Body (torque) · Tire & Wheel Assembly (rotate)
Every 7,500 miBody Latches, Locks & Hinges (inspect) · Brake Line (inspect) · Brake Linings (inspect) · Driveshaft U-Joint (lubricate) · 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) · Clutch Release Lever Pivot Points (lubricate) · EGR System (inspect) · Early Fuel Evaporation System (inspect) · Engine Air Filter Element (replace) · Engine Breather Filter (replace)
Every 60,000 miFuel Filter (replace) · Throttle Body (torque)

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 Safari. 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.

Vehicles taking 3 qtEngine oil filter 12737090Engine air filter 25040929Fuel filter 25171792Spark plug 19300382

Reference guides

Cross-vehicle references for the kinds of data on this page.

OBD-II trouble codesMaintenance schedulesFluid capacities & specs

Frequently asked

How much oil does the 1986 Safari take?

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