1987 Ford Bronco Manual

The 1987 Ford Bronco is a full-size SUV featuring 4-wheel drive capability, available in multiple trim levels including XL, XLT, and Eddie Bauer editions. Powered by various engine options including the 4.9L inline-6, 5.0L V8, and 5.8L V8 engines. Equipped with manual or automatic transmissions, part-time 4WD system, and rugged off-road capabilities. Below are key sections covering specifications, operation, maintenance, troubleshooting, and technical details.

1. Vehicle Specifications 2. Controls and Instrument Panel 3. Operating Instructions 4. Maintenance Schedule 5. Fluid Specifications 6. 4WD System Operation 7. Electrical System 8. Braking System 9. Troubleshooting Guide 10. Technical Diagrams

Vehicle Specifications

Key specifications for the 1987 Ford Bronco including engine options, dimensions, and capabilities.

Specification	Details
Engine Options	4.9L I6, 5.0L V8, 5.8L V8
Transmission	4-speed manual, 3-speed automatic
Drivetrain	Part-time 4WD with manual locking hubs
Wheelbase	104.7 inches
Overall Length	180.5 inches
Curb Weight	4,200-4,600 lbs
Fuel Capacity	33 gallons
Towing Capacity	6,000 lbs (properly equipped)
GVWR	6,050 lbs
Payload Capacity	1,450-1,850 lbs

Controls and Instrument Panel

Overview of dashboard controls, gauges, and operational features.

Instrument Cluster: Speedometer, fuel gauge, temperature gauge, oil pressure, ammeter
4WD Controls: Manual transfer case lever, hub lock controls
Climate Controls: Heating and ventilation system controls
Lighting Controls: Headlight switch, dimmer, fog lights
Audio System: AM/FM radio with optional cassette player

WARNING! Always engage 4WD only on slippery surfaces to avoid drivetrain damage.

Operating Instructions

Proper procedures for starting, driving, and operating your Bronco.

Starting Procedure: Ensure parking brake engaged, transmission in Park/Neutral
4WD Engagement: Stop vehicle, shift transfer case to desired position
Manual Hub Operation: Turn hubs to LOCK position before engaging 4WD
Off-Road Operation: Use low range for steep grades and rough terrain
Towing Procedures: Follow proper weight distribution and hitch setup

CAUTION! Never shift into 4WD on dry pavement as it may cause binding and damage.

Maintenance Schedule

Every 3,000 miles: Oil and filter change
Every 6,000 miles: Rotate tires, inspect brakes
Every 15,000 miles: Replace air filter, check fluids
Every 30,000 miles: Replace fuel filter, inspect belts/hoses
Every 60,000 miles: Replace spark plugs, check timing
Every 100,000 miles: Replace coolant, inspect transmission

Fluid Specifications

Recommended fluids and capacities for proper vehicle operation.

System	Fluid Type	Capacity
Engine Oil	10W-30 Motor Oil	5 quarts
Cooling System	Ethylene Glycol Coolant	16 quarts
Automatic Transmission	Type F ATF	12 quarts
Manual Transmission	80W-90 Gear Oil	3 pints
Transfer Case	ATF Dexron II	2.5 pints
Front Differential	80W-90 Gear Oil	3.5 pints
Rear Differential	80W-90 Gear Oil	5.5 pints
Brake System	DOT 3 Brake Fluid	As needed

4WD System Operation

Detailed instructions for proper 4-wheel drive system usage.

2H (Two-Wheel Drive High): Normal driving on dry pavement
4H (Four-Wheel Drive High): Slippery roads, snow, light off-road
4L (Four-Wheel Drive Low): Steep grades, heavy off-road, towing
Hub Operation: Manual locking hubs require physical turning to engage
Shifting Procedure: Come to complete stop before shifting transfer case

Tip: Practice 4WD operation in safe area before needing it in emergency situations.

Electrical System

Battery, charging, and electrical component information.

Battery: 12-volt, 65-amp hour
Alternator: 60-amp output
Starter: 12-volt direct drive
Fuse Panel: Located under dashboard
Bulb Types: Headlights: H6054, Tail lights: 1157

Braking System

Front disc brakes and rear drum brake system specifications.

Front Brakes: Disc brakes with single piston calipers
Rear Brakes: Drum brakes with self-adjusting mechanism
Parking Brake: Mechanical cable operated on rear wheels
Master Cylinder: Dual reservoir design for safety
Brake Bleeding: Required when air enters hydraulic system

WARNING! Regular brake inspection crucial for safe operation. Replace worn components immediately.

Troubleshooting Guide

Symptom	Possible Cause	Corrective Action
Engine won't start	Dead battery, faulty starter	Check battery voltage, test starter motor
Poor fuel economy	Dirty air filter, misadjusted carburetor	Replace air filter, adjust carburetor mixture
4WD won't engage	Hubs not locked, transfer case issue	Lock hubs manually, inspect transfer case linkage
Brake pulling	Stuck caliper, contaminated brake fluid	Inspect calipers, flush brake system
Overheating	Low coolant, faulty thermostat	Check coolant level, replace thermostat

Note: Always consult professional mechanic for complex repairs.

Technical Diagrams

Reference diagrams for belt routing, vacuum lines, and electrical systems.

Serpentine Belt Routing Diagram
Vacuum Hose Routing Schematic
Electrical Wiring Diagrams
Fuel System Layout
Brake System Schematic

Service: Consult authorized Ford dealer for technical diagrams and specific repair procedures.