1989 Honda Civic Crx – The Ultimate DIY Owner'S Guide & Maintenance

You’re here because you appreciate a legend. The 1989 Honda Civic CRX isn’t just a car; it’s a statement—a testament to lightweight performance, nimble handling, and incredible fuel efficiency wrapped in an iconic, compact package. Whether you’ve just acquired one of these automotive gems or you’re a long-time owner looking to dive deeper into its care, you know the magic these little Hondas hold.

At FatBoysOffroad, we believe in getting your hands dirty and truly understanding your ride. That’s why we’re diving deep into everything you need to know to keep your CRX running like a dream, tackle common issues, and even squeeze out a little extra fun – all from a DIY perspective. This isn’t just another article; it’s your comprehensive 1989 Honda Civic CRX guide, packed with practical advice to ensure your classic continues to turn heads and perform flawlessly. Get ready to master your CRX!

The Enduring Appeal and Benefits of the 1989 Honda Civic CRX

What makes the 1989 Honda Civic CRX such a beloved classic? It’s more than just nostalgia. This car truly embodies Honda’s engineering philosophy of intelligent design and efficiency. For many, it represents a golden era of motoring – simple, direct, and incredibly engaging.

The core benefits of 1989 Honda Civic CRX ownership are clear:

Feather-Light Agility: Weighing in at just over 2,000 pounds, the CRX is a master of corners. Its light chassis makes it incredibly responsive and a joy to drive, whether you’re navigating city streets or carving up a twisty back road.
Exceptional Fuel Economy: Even by today’s standards, the CRX delivers impressive MPG. This makes it an economical daily driver and a smart choice for those mindful of their fuel budget.
Reliability and Durability: Hondas from this era are renowned for their bulletproof engines and robust build quality. With proper care, your CRX can easily outlast many newer vehicles.
DIY-Friendly Design: For the weekend wrench-turner, the CRX is a dream. Its straightforward mechanicals and ample engine bay space make maintenance and modifications relatively easy to tackle at home.
Timeless Style: The CRX’s wedge-shaped design is instantly recognizable and has aged gracefully. It’s a car that still looks cool and commands respect on the road.

Understanding these inherent qualities is the first step in appreciating and properly caring for your iconic machine. Let’s make sure it stays that way.

Essential Maintenance for Your 1989 Honda Civic CRX: A Comprehensive Care Guide

Keeping your 1989 Honda Civic CRX in top shape requires consistent, proactive maintenance. Think of it as a partnership: you give it the care it needs, and it rewards you with reliable, spirited performance. This section will walk you through the crucial aspects of a thorough 1989 Honda Civic CRX care guide, offering practical 1989 Honda Civic CRX tips for every DIY mechanic.

Fluid Checks and Changes: The Lifeblood of Your CRX

Regular fluid maintenance is paramount. These aren’t just suggestions; they’re non-negotiables for engine longevity.

Engine Oil: Check your oil level weekly with the engine warm and off for a few minutes. Aim for a high-quality 5W-30 or 10W-30 conventional or synthetic blend, depending on your climate and engine condition. Change every 3,000-5,000 miles, along with the oil filter. Always use a fresh crush washer on the drain plug.
Coolant: Inspect the coolant level in the reservoir and radiator when the engine is cold. A 50/50 mix of distilled water and ethylene glycol-based coolant is standard. Flush and replace every 2-3 years to prevent corrosion and maintain cooling efficiency.
Transmission Fluid: For manual CRXs, check the fluid level via the fill bolt. Use Honda MTF (Manual Transmission Fluid) or a high-quality equivalent. Change every 30,000 miles. Automatic CRXs will have a dipstick; follow the owner’s manual for checking procedures and use Honda Z1 or DW-1 fluid.
Brake Fluid: This is hygroscopic, meaning it absorbs moisture over time, which degrades performance and can cause corrosion. Check the reservoir level and color. If it looks dark or murky, it’s time for a flush. Bleed the brake lines every 2 years or 30,000 miles using DOT 3 or DOT 4 fluid.
Power Steering Fluid: If equipped, check the reservoir level. Use Honda-specific power steering fluid for best results.

Ignition System TLC: Sparking Performance

A healthy ignition system ensures efficient combustion and optimal performance.

Spark Plugs: Inspect and replace spark plugs every 30,000-60,000 miles, depending on the type (copper, platinum, iridium). Use the correct gap specified in your owner’s manual (typically 0.044 inches). A gapping tool is essential here.
Distributor Cap and Rotor: These wear out over time, leading to misfires. Inspect for cracks, carbon tracking, and excessive wear on the rotor tip. Replace as needed, usually with spark plugs.
Spark Plug Wires: Check for cracks, fraying, or signs of arcing. Replace if any damage is found or if resistance readings are out of specification (a multimeter can help here).

Belt and Hose Inspection: Preventative Measures

A broken belt or burst hose can leave you stranded. Regular visual inspections are key.

Serpentine/Accessory Belts: Check for cracks, fraying, glazing, or missing ribs. Ensure proper tension – they shouldn’t deflect more than about a half-inch when pressed firmly. Replace every 60,000-90,000 miles or sooner if signs of wear appear.
Hoses: Squeeze radiator and heater hoses. They should be firm but pliable, not rock-hard or mushy. Look for cracks, bulges, or leaks around connections. Replace any suspicious hoses immediately.

Adhering to this maintenance schedule will significantly extend the life and enjoyment of your 1989 Honda Civic CRX.

Common Problems with the 1989 Honda Civic CRX and How to Fix Them

Every classic car has its quirks, and the 1989 Honda Civic CRX is no exception. Knowing the common pitfalls ahead of time can save you headaches and repair costs. This section will guide you through typical issues, offering practical advice on how to 1989 Honda Civic CRX owners can diagnose and fix them, addressing some of the most common problems with 1989 Honda Civic CRX models.

Rust: The Silent Killer

Being an older vehicle, rust is a primary concern, especially in areas with harsh winters or coastal climates.

Common Areas: Wheel wells, rocker panels, rear quarter panels, under the battery tray, and around the windshield/rear hatch seals are prime targets.
Prevention:
- Regularly wash your CRX, especially underneath, to remove salt and grime.
- Apply a good quality rust-proofing treatment (e.g., fluid film, waxoyl) to vulnerable areas annually.
- Address any paint chips or scratches promptly with touch-up paint to prevent rust from starting.
Repair: For minor surface rust, sand it down to bare metal, apply a rust converter, primer, and paint. For more extensive rust, especially structural areas, professional welding and panel replacement may be necessary. Safety first: significant rust can compromise structural integrity. If in doubt, consult a professional.

Electrical Gremlins: Tracking Down Phantom Issues

Older wiring and connectors can lead to frustrating electrical problems.

Typical Issues: Intermittent dash lights, power window failures, poor ground connections, and issues with the main relay (which can cause no-start conditions).
Diagnosis & Fixes:
- Main Relay: If your CRX cranks but won’t start, or stalls intermittently, the main relay is a prime suspect. It’s usually located under the dash on the driver’s side. You can often reflow the solder joints or simply replace it.
- Ground Wires: Check all engine and chassis ground connections for corrosion or looseness. Clean them thoroughly with a wire brush and apply dielectric grease. A weak ground can cause a myriad of electrical issues.
- Fuses: Always start with the simplest solution. Check all fuses in both the under-hood and cabin fuse boxes.
- Wiring Harness: Inspect for frayed wires, especially where they pass through tight areas or are exposed to heat. Repair with proper soldering and heat shrink tubing.

Suspension and Bushing Wear: Restoring That Nimble Feel

Over decades, rubber bushings and suspension components will inevitably wear out, affecting handling and ride quality.

Symptoms: Clunking noises over bumps, vague steering, excessive body roll, uneven tire wear.
Common Replacements:
- Control Arm Bushings: These are notorious for wearing out. Replacing them with new rubber or polyurethane bushings (for a firmer ride) will dramatically improve handling.
- Ball Joints: Inspect for play. Worn ball joints are a safety hazard and will cause poor alignment.
- Tie Rod Ends: Both inner and outer tie rod ends can develop play, leading to loose steering.
- Shocks and Struts: If your CRX feels bouncy or harsh, the shocks/struts are likely worn. Upgrading to quality aftermarket units can transform the ride.
DIY Tip: A floor jack, jack stands, and a good set of wrenches are essential. For bushings, a press or specialized bushing removal/installation tools might be needed. Consider replacing components in pairs (e.g., both front control arms) for balanced performance.

Addressing these common issues proactively will keep your CRX performing at its best and prevent small problems from becoming big, expensive ones.

Boosting Performance and Handling: 1989 Honda Civic CRX Best Practices for Enthusiasts

While the 1989 Honda Civic CRX is fantastic in stock form, its lightweight chassis and rev-happy engines make it an excellent platform for performance enhancements. Whether you’re aiming for more power, sharper handling, or just a more engaging driving experience, there are many 1989 Honda Civic CRX best practices to follow. Remember, even though we’re FatBoysOffroad, the DIY spirit and quest for performance transcend terrain!

Engine Enhancements: Smart Power Upgrades

The D-series engine in most CRXs (D15B2, D16A6) is robust and responsive to basic bolt-ons.

Intake System: A cold air intake (CAI) or short ram intake can improve throttle response and add a few horsepower by allowing the engine to breathe easier. Look for reputable brands like AEM, Injen, or K&N. Ensure the air filter is regularly cleaned or replaced for maximum benefit.
Exhaust System: Upgrading to a less restrictive cat-back exhaust system can free up some power and give your CRX a sportier sound. Look for systems with mandrel bends for optimal flow. Brands like Skunk2, MagnaFlow, or Tanabe are popular choices.
Header: A good aftermarket header (4-2-1 or 4-1 design) can further improve exhaust scavenging, especially when paired with a full exhaust system.
Engine Swaps: For serious power, engine swaps are common. Popular choices include the B-series (B16A, B18C) or even K-series engines. This is a significant undertaking requiring advanced mechanical skills, custom mounts, wiring, and ECU tuning. This is not for the faint of heart and requires careful planning and research.

Suspension & Handling: Sharpening the Knife

The CRX’s handling is already a strong point, but it can be made even better.

Coilover Suspension: Replacing the stock springs and shocks with a quality coilover kit (e.g., Tein, Koni, Eibach) allows for adjustable ride height and damping. This significantly reduces body roll, improves cornering, and gives a more aggressive stance.
Sway Bars: Upgrading to stiffer front and rear sway bars (anti-roll bars) further reduces body roll and helps flatten the car through corners. Ensure proper end links are used.
Strut Tower Braces: Front and rear strut tower braces help stiffen the chassis, reducing flex and improving steering response. They are a relatively inexpensive and easy bolt-on upgrade.
Polyurethane Bushings: As mentioned in the common problems section, replacing old rubber bushings with polyurethane can dramatically tighten up the suspension feel, offering more precise handling, though sometimes at the cost of a slightly harsher ride.

Brakes and Wheels: Stopping Power and Grip

With increased performance, upgraded stopping power is crucial.

Brake Upgrades: A simple upgrade is to use high-performance brake pads (e.g., Hawk HPS, EBC Yellowstuff) and slotted/drilled rotors. For more significant improvements, consider a “big brake kit” or a conversion to larger calipers and rotors from a more powerful Honda model (e.g., Integra GSR).
Tires: The most impactful handling upgrade is often a good set of performance tires. Look for tires with high grip ratings in the size recommended for your wheels (e.g., 195/50R15 or 205/50R15).
Lightweight Wheels: Reducing unsprung weight with lighter wheels can improve acceleration, braking, and handling.

These modifications, when done correctly, can transform your 1989 Honda Civic CRX into an even more exhilarating machine, ready for spirited driving or even track days. Always prioritize safety and ensure your modifications are street-legal in your area.

Sustainable Ownership: Eco-Friendly 1989 Honda Civic CRX Practices

Owning a classic car doesn’t have to be at odds with environmental consciousness. In fact, keeping an older vehicle on the road longer is often more sustainable than manufacturing a new one. Here are some sustainable 1989 Honda Civic CRX and eco-friendly 1989 Honda Civic CRX practices to consider.

Extend Lifespan Through Maintenance: The most eco-friendly thing you can do is keep your CRX running for as long as possible. Diligent maintenance, as outlined above, reduces the need for new car manufacturing and the resources it consumes.
Optimize Fuel Efficiency:
- Regular Tune-ups: A well-tuned engine (clean air filter, fresh spark plugs, proper ignition timing) burns fuel more efficiently.
- Tire Pressure: Keep your tires properly inflated. Under-inflated tires increase rolling resistance and reduce fuel economy.
- Driving Habits: Smooth acceleration and braking, avoiding excessive idling, and maintaining moderate speeds significantly impact fuel consumption.
Responsible Fluid Disposal: Never pour used oil, coolant, or other automotive fluids down the drain or on the ground. Most auto parts stores and municipal recycling centers accept used fluids for proper disposal.
Recycle Parts: When replacing components, inquire if the old parts (e.g., batteries, tires, metal components) can be recycled. Many auto parts stores have recycling programs.
Consider Eco-Friendly Products: Look for automotive cleaners, waxes, and detailing products that are biodegradable and free from harsh chemicals.
Repair, Don’t Replace: Before automatically buying a new part, consider if the existing one can be repaired or rebuilt. This saves resources and often money.

By embracing these practices, you’re not just a CRX owner; you’re a responsible steward of automotive history and the environment.

Your Comprehensive 1989 Honda Civic CRX Guide: Buying and Longevity Tips

Whether you’re in the market for one or want to ensure your current ride lasts for decades, this 1989 Honda Civic CRX guide offers essential 1989 Honda Civic CRX tips for buying smart and maximizing longevity.

Buying a 1989 Honda Civic CRX: What to Look For

Finding a well-preserved CRX can be a challenge, but a thorough inspection is key.

Rust is Paramount: As discussed, check all common rust areas diligently. Pay special attention to the rear quarter panels, rocker panels, and around the rear hatch. Rust can be hidden under paint, so bring a magnet.
Engine Condition:
- Listen for unusual noises (knocking, ticking, grinding).
- Check for oil leaks around the valve cover, oil pan, and distributor.
- Look for blue smoke from the exhaust (oil burning) or white smoke (coolant).
- Check the coolant for oil contamination (milky substance) or the oil for coolant (same milky substance on dipstick or under oil cap).
Transmission: For manuals, check for smooth shifting, no grinding, and a clutch that engages properly without slipping. For automatics, ensure smooth shifts and no harsh engagements.
Suspension: Look for worn bushings, leaky shocks, and listen for clunks over bumps during a test drive.
Electrical: Test all lights, wipers, power windows, radio, and HVAC controls. Intermittent issues can be a sign of deeper problems.
Documentation: A car with a well-documented service history is always preferable.
Pre-Purchase Inspection: If you’re serious about a CRX, invest in a pre-purchase inspection by a trusted mechanic, especially one familiar with older Hondas.

Tips for Longevity: Making Your CRX Last

Beyond routine maintenance, these practices will help your CRX thrive:

Gentle Warm-Ups: Allow the engine to reach operating temperature before driving aggressively. Cold oil doesn’t lubricate as effectively.
Regular Driving: Cars are meant to be driven. Letting a CRX sit for extended periods can lead to dried-out seals, flat-spotted tires, and fuel system issues.
Quality Parts: Whenever possible, use OEM (Original Equipment Manufacturer) or high-quality aftermarket parts. Cheap parts often lead to repeat repairs.
Keep it Clean: Regular washing, waxing, and interior cleaning not only preserve aesthetics but also prevent rust and material degradation.
Join a Community: Connect with other CRX owners online or locally. They are an invaluable source of knowledge, tips, and support.

By being diligent and passionate, your 1989 Honda Civic CRX will continue to be a source of pride and driving pleasure for years to come.

Frequently Asked Questions About Your 1989 Honda Civic CRX

What is the best engine oil for a 1989 Honda Civic CRX?

For most 1989 Honda Civic CRX models, a high-quality 5W-30 or 10W-30 conventional or synthetic blend motor oil is recommended. Always refer to your owner’s manual for specific recommendations based on climate and engine type (e.g., D15B2, D16A6).

How often should I change the timing belt on my 1989 Honda Civic CRX?

The timing belt on a 1989 Honda Civic CRX (D-series engine) should typically be replaced every 60,000 to 90,000 miles, or every 5-7 years, whichever comes first. It’s also wise to replace the water pump and tensioner at the same time, as they are easily accessible during the timing belt service.

Are parts for the 1989 Honda Civic CRX hard to find?

While some specific trim pieces or rare components can be challenging to locate, most common wear-and-tear parts (engine components, brakes, suspension, electrical basics) are still readily available through aftermarket suppliers, online forums, and specialized Honda parts distributors. Used parts from salvage yards or online communities are also a good resource.

Can I daily drive a 1989 Honda Civic CRX?

Absolutely! With proper maintenance, a 1989 Honda Civic CRX can be a reliable and enjoyable daily driver. Its excellent fuel economy, nimble handling, and Honda’s legendary reliability make it a practical choice. Just be mindful of its age and plan for routine preventative maintenance.

What’s the difference between the CRX Si and the base model?

The CRX Si (Sport Injected) features a more powerful 1.6-liter D16A6 SOHC engine with multi-point fuel injection (108 hp), compared to the base model’s 1.5-liter D15B2 SOHC engine (62-70 hp) with dual-point injection. The Si also typically comes with a firmer suspension, a rear sway bar, and sportier interior appointments like bolstered seats, making it the performance-oriented choice.

There you have it – your comprehensive guide to the incredible 1989 Honda Civic CRX. This isn’t just a car; it’s a piece of automotive history that continues to deliver smiles per gallon and an engaging driving experience. With the right knowledge, care, and a willingness to get your hands dirty, you can ensure your CRX remains a reliable, high-performing classic for many more years.

Remember, the spirit of DIY ownership means taking pride in your ride and understanding its needs. So grab your tools, get to work, and enjoy every moment with your iconic Honda. Stay safe on the road, and keep those legends rolling!

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Thomas Corle

Founder & Automobile expert at FatBoysOffroad

Automobile expert and off-road enthusiast, sharing in-depth knowledge of vehicles, gear, and adventures. Helping readers make smart decisions and enjoy the thrill of off-roading safely and confidently.