The 1987 Jeep Wrangler YJ holds a special place in automotive history. It marked the end of the CJ era and the beginning of a new chapter for Jeep, blending classic ruggedness with modern (for the time) features. For enthusiasts, restoring, maintaining, or modifying a 1987 Jeep Wrangler is a rewarding endeavor. However, successfully tackling these projects requires a solid understanding of the specific parts that make up this iconic vehicle. This guide will provide a comprehensive overview of 1987 Jeep parts, covering everything from essential components to common upgrades and troubleshooting tips.
Why Understanding 1987 Jeep Parts is Crucial
Reviving a Legend: A Comprehensive Guide to 1987 Jeep Parts
The 1987 YJ was a transitional model, incorporating some features from previous Jeeps while introducing new elements. This makes identifying and sourcing the correct parts crucial. Using incorrect parts can lead to performance issues, safety hazards, and even damage to other components. Understanding the specifics of 1987 Jeep parts ensures:
- Proper Functionality: Using the right parts guarantees that your Jeep performs as intended.
- Safety: Correct brake components, steering parts, and suspension elements are vital for safe operation.
- Longevity: High-quality, compatible parts contribute to the overall lifespan of your Jeep.
- Preservation of Value: Maintaining originality or using period-correct replacements can preserve the value of your vehicle, especially for collectors.
I. Engine and Drivetrain Components
The 1987 Jeep Wrangler YJ primarily came with two engine options:
- 2.5L AMC 150 Inline-Four Engine: This was the base engine, known for its reliability and fuel efficiency (relatively speaking for a Jeep). Parts include:
- Engine Block and Internals: Pistons, connecting rods, crankshaft, bearings, camshaft, etc.
- Cylinder Head: Valves, valve springs, rocker arms, pushrods.
- Fuel System: Carburetor (most likely a Carter BBD), fuel pump, fuel lines, fuel filter.
- Ignition System: Distributor, ignition coil, spark plugs, spark plug wires.
- Cooling System: Radiator, water pump, thermostat, hoses.
- Exhaust System: Exhaust manifold, catalytic converter (if equipped), muffler, tailpipe.
- 4.2L AMC 258 Inline-Six Engine: This engine offered more power and torque, making it a popular choice for off-roading. Parts are similar to the 2.5L but with larger components and a different cylinder head configuration.
Drivetrain Components:
- Transmission: The 1987 YJ typically used an Aisin-Warner AX-5 5-speed manual transmission or a TorqueFlite 999 3-speed automatic transmission. Parts include:
- Clutch Assembly (Manual): Clutch disc, pressure plate, throw-out bearing, pilot bearing.
- Torque Converter (Automatic):
- Internal Transmission Components: Gears, shafts, bearings, seals.
- Transfer Case: The NP207 or NP231 transfer case provided part-time four-wheel-drive capabilities. Parts include:
- Chains, Sprockets, Bearings, Seals
- Axles: Dana 30 front axle and Dana 35 rear axle were the standard options. Parts include:
- Axle Shafts
- Differential: Ring and pinion gears, carrier, spider gears.
- Wheel Bearings
- Brake Components (mounted on the axles)
II. Suspension and Steering Systems
The 1987 YJ utilized a leaf spring suspension, known for its durability and off-road capability.
- Leaf Springs: These provide the primary suspension support. Over time, they can sag or crack.
- Shocks: Dampen the movement of the suspension, improving ride quality and control.
- U-Bolts: Secure the leaf springs to the axles.
- Bushings: Rubber or polyurethane bushings are used at various points in the suspension to reduce noise and vibration.
- Steering System: Consists of:
- Steering Gearbox: Provides steering assistance.
- Tie Rods and Drag Link: Connect the steering gearbox to the wheels.
- Steering Knuckles: Connect the wheels to the axle.
III. Brake System
The 1987 YJ typically used a combination of disc brakes in the front and drum brakes in the rear.
- Brake Rotors (Front): Provide a friction surface for the brake pads.
- Brake Pads (Front): Press against the rotors to slow the vehicle.
- Brake Calipers (Front): House the brake pads and apply pressure to the rotors.
- Brake Drums (Rear): Provide a friction surface for the brake shoes.
- Brake Shoes (Rear): Press against the drums to slow the vehicle.
- Wheel Cylinders (Rear): Actuate the brake shoes.
- Master Cylinder: Provides hydraulic pressure to the brake system.
- Brake Lines: Carry brake fluid to the wheels.
IV. Body and Interior Components
- Body Panels: Fenders, hood, doors, tub, etc.
- Bumpers: Front and rear bumpers provide protection.
- Windshield:
- Seats:
- Dashboard:
- Gauges:
- Wiring Harness:
- Lighting: Headlights, taillights, turn signals.
V. Finding the Right 1987 Jeep Parts: Tips and Resources
- VIN Number: The Vehicle Identification Number (VIN) is crucial for identifying the exact specifications of your Jeep. Use it to ensure you're ordering the correct parts.
- Online Retailers: Websites like Quadratec, Morris 4x4 Center, and Amazon offer a wide selection of 1987 Jeep parts.
- Local Auto Parts Stores: NAPA, AutoZone, and Advance Auto Parts can often source parts for older vehicles.
- Jeep Forums: Online forums dedicated to Jeep enthusiasts are a valuable resource for information and advice.
- Salvage Yards: Salvage yards can be a great source for used parts, especially for body panels and interior components.
- Original Parts Manuals: Consulting the original parts manual for your 1987 YJ is invaluable for identifying the correct part numbers.
VI. Common Upgrades and Modifications
Many owners choose to upgrade or modify their 1987 Jeeps for improved performance or appearance. Some common upgrades include:
- Lift Kits: Increase ground clearance and allow for larger tires.
- Off-Road Bumpers: Provide better protection and recovery points.
- Winches: Essential for off-road recovery.
- Performance Exhaust Systems: Improve engine performance and sound.
- LED Lighting: Brighter and more efficient than traditional lighting.
- Fuel Injection Conversion: Replacing the carburetor with a fuel injection system can improve performance and fuel economy.
VII. Potential Challenges and Solutions
- Finding Obsolete Parts: Some parts for the 1987 YJ may be difficult to find. Consider aftermarket replacements or used parts.
- Rust: Rust is a common problem on older Jeeps. Inspect body panels and frame rails carefully. Repair or replace rusted sections as needed.
- Wiring Issues: The wiring harness can become brittle and corroded over time. Inspect and repair or replace damaged wiring.
VIII. Maintaining Your 1987 Jeep
Regular maintenance is essential for keeping your 1987 Jeep running smoothly. This includes:
- Oil Changes: Change the oil and filter regularly.
- Fluid Checks: Check and top off all fluids, including coolant, brake fluid, power steering fluid, and transmission fluid.
- Lubrication: Lubricate chassis components, such as ball joints and tie rod ends.
- Tune-Ups: Perform regular tune-ups, including spark plug replacement and distributor cap and rotor replacement.
- Tire Rotations: Rotate tires regularly to ensure even wear.
Price Table: 1987 Jeep Parts
| Part Description | Average Price (USD) | Notes |
|---|---|---|
| 2.5L Engine Rebuild Kit | $500 - $1000 | Varies based on quality and components included |
| 4.2L Engine Rebuild Kit | $600 - $1200 | Varies based on quality and components included |
| AX-5 Transmission Rebuild Kit | $200 - $400 | Includes seals, bearings, and synchros |
| NP231 Transfer Case Rebuild Kit | $150 - $300 | Includes chains, seals, and bearings |
| Dana 30 Front Axle Shaft | $150 - $300 (each) | Aftermarket options available for upgrades |
| Dana 35 Rear Axle Shaft | $100 - $250 (each) | Prone to breakage, consider upgrades |
| Leaf Spring (Front or Rear) | $100 - $250 (each) | Varies based on lift height and brand |
| Shock Absorber (Front or Rear) | $50 - $150 (each) | Varies based on type and brand |
| Brake Rotor (Front) | $50 - $100 (each) | |
| Brake Pads (Front) | $30 - $60 (set) | |
| Brake Drum (Rear) | $40 - $80 (each) | |
| Brake Shoes (Rear) | $25 - $50 (set) | |
| Carburetor (Carter BBD Replacement) | $200 - $400 | |
| Radiator | $150 - $300 | |
| Water Pump | $50 - $100 | |
| Body Panel (Fender, Door) | $100 - $500 (used) | Varies significantly based on condition |
| Seat (Used) | $50 - $200 (each) | |
| Headlight Assembly | $50 - $100 (each) | LED options are available |
Important Note: Prices are approximate and can vary significantly depending on the brand, quality, and vendor. It is always recommended to shop around and compare prices before making a purchase. Labor costs for installation are not included.
Frequently Asked Questions (FAQ)
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Q: Where can I find a reliable source for 1987 Jeep Wrangler parts?
- A: Reputable online retailers specializing in Jeep parts (Quadratec, Morris 4x4 Center), local auto parts stores (NAPA, AutoZone), Jeep forums, and salvage yards are all good options.
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Q: How do I know if a part is compatible with my 1987 Jeep Wrangler?
- A: Use your VIN number to identify the specific year, make, and model of your Jeep. Check the part description and compatibility information carefully. Consult with a mechanic or Jeep specialist if you're unsure.
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Q: What are some common problems with the 1987 Jeep Wrangler?
- A: Common problems include rust, carburetor issues, suspension wear, and electrical problems.
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Q: Should I use original or aftermarket parts?
- A: This depends on your budget and goals. Original parts can help maintain originality, while aftermarket parts may offer improved performance or durability.
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Q: How difficult is it to work on a 1987 Jeep Wrangler?
- A: The 1987 YJ is relatively simple to work on compared to modern vehicles. However, some repairs may require specialized tools or knowledge.
Conclusion
Restoring or maintaining a 1987 Jeep Wrangler is a journey that requires patience, dedication, and a solid understanding of its components. By carefully researching and sourcing the correct 1987 Jeep parts, you can keep this iconic vehicle running strong for years to come. Embrace the challenge, learn from other enthusiasts, and enjoy the satisfaction of driving a piece of Jeep history.
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