The 1999 Jeep Grand Cherokee (WJ) holds a special place in the hearts of off-road enthusiasts and everyday drivers alike. Known for its blend of rugged capability and comfortable features, this generation Grand Cherokee offers a unique driving experience. However, like any vehicle of its age, maintaining a 1999 Grand Cherokee requires attention to detail and a good understanding of available parts. This article will serve as your comprehensive guide to navigating the world of 1999 Jeep Grand Cherokee parts, covering everything from common replacements to performance upgrades.
Why Understanding 1999 Jeep Grand Cherokee Parts Matters
Keeping Your Legend Alive: A Deep Dive into 1999 Jeep Grand Cherokee Parts
Keeping your '99 Grand Cherokee running smoothly is crucial for both its longevity and your enjoyment. Understanding the available parts and their functions allows you to:
- Perform preventative maintenance: Catching issues early saves money and prevents breakdowns.
- Troubleshoot problems effectively: Knowing the components helps you diagnose problems accurately.
- Make informed purchasing decisions: Avoid overpaying for parts or buying the wrong ones.
- Customize your Jeep: Personalize your Grand Cherokee for improved performance or aesthetics.
- Preserve its value: Well-maintained vehicles hold their value better.
Section 1: Essential Maintenance Parts for the 1999 Grand Cherokee
This section focuses on the parts that require regular replacement due to wear and tear. Proactive maintenance with these components will keep your Jeep reliable and performing at its best.
- Filters:
- Oil Filter: Crucial for engine lubrication. Change with every oil change (typically every 3,000-5,000 miles).
- Air Filter: Prevents contaminants from entering the engine. Replace every 12,000-15,000 miles.
- Fuel Filter: Protects the fuel injectors from debris. Replace every 24,000-30,000 miles.
- Cabin Air Filter: Improves air quality inside the cabin. Replace every 12,000-15,000 miles.
- Fluids:
- Engine Oil: The lifeblood of your engine. Use the correct viscosity recommended in your owner's manual.
- Coolant: Prevents overheating and protects against corrosion. Use the correct type for your Jeep.
- Transmission Fluid: Ensures smooth shifting. Change according to the manufacturer's recommendations.
- Brake Fluid: Essential for proper braking performance. Flush and replace every 2-3 years.
- Power Steering Fluid: Provides smooth steering. Check and top off as needed.
- Differential Fluid: Lubricates the gears in the axles. Change according to the maintenance schedule.
- Brake System Components:
- Brake Pads/Shoes: Essential for stopping power. Replace when worn down.
- Brake Rotors/Drums: Surface must be smooth to ensure effective braking.
- Brake Calipers/Wheel Cylinders: Ensure proper braking performance.
- Brake Lines: Check for leaks and corrosion. Replace if damaged.
- Spark Plugs: Ignite the air-fuel mixture in the engine. Replace according to the maintenance schedule.
- Belts and Hoses:
- Serpentine Belt: Powers accessories like the alternator, power steering pump, and A/C compressor.
- Hoses (Radiator, Heater): Carry coolant throughout the engine. Replace if cracked or swollen.
- Battery: Provides electrical power to start the engine. Replace every 3-5 years.
Section 2: Addressing Common Issues with Specific Parts
The 1999 Grand Cherokee, while robust, has a few common problem areas. Understanding these and the related parts can help you address issues quickly.
- Blend Door Actuator: A common issue is the blend door actuator failing, resulting in inconsistent heating or cooling. Replacing the actuator is a relatively straightforward DIY project.
- Window Regulators: The window regulators can fail, causing the windows to get stuck. Replacing the regulator is necessary to restore window operation.
- Door Handles: The exterior door handles are prone to breakage. Replacement handles are readily available.
- Suspension Components:
- Ball Joints: Wear and tear on ball joints can cause loose steering and uneven tire wear.
- Tie Rod Ends: Similar to ball joints, worn tie rod ends affect steering precision.
- Shocks and Struts: Over time, shocks and struts lose their damping ability, affecting ride quality.
- Control Arm Bushings: Worn bushings can cause clunking noises and affect alignment.
- Cooling System:
- Radiator: Over time, radiators can become clogged or corroded.
- Water Pump: The water pump circulates coolant. Replace if leaking or noisy.
- Thermostat: Regulates engine temperature. Replace if the engine is overheating or running cold.
- Fuel Pump: Located inside the fuel tank. It can fail over time.
Section 3: Performance Upgrades and Customization
Beyond essential repairs, many owners choose to upgrade their 1999 Grand Cherokee for improved performance or a personalized look.
- Suspension Lift Kits: Increase ground clearance for off-roading. Options range from mild to extreme.
- Tires and Wheels: Upgrading to larger tires and aftermarket wheels can enhance off-road capability and aesthetics.
- Performance Exhaust Systems: Improve exhaust flow for increased horsepower and a sportier sound.
- Cold Air Intakes: Increase airflow to the engine for improved performance.
- Engine Tuning (Chip/Programmer): Optimize engine parameters for increased horsepower and torque.
- Lighting Upgrades: Replace stock headlights with LED or HID lights for improved visibility.
- Bumpers and Armor: Aftermarket bumpers and skid plates provide protection for off-road adventures.
- Interior Upgrades: Seat covers, floor mats, and upgraded sound systems can enhance the driving experience.
Section 4: Where to Find 1999 Jeep Grand Cherokee Parts
There are several options for sourcing parts for your '99 Grand Cherokee:
- Local Auto Parts Stores: NAPA, AutoZone, Advance Auto Parts, and O'Reilly Auto Parts are good options for common replacement parts.
- Online Retailers: Amazon, eBay, RockAuto, and Quadratec offer a wide selection of parts, often at competitive prices.
- Jeep Dealerships: Dealerships are the best source for genuine Mopar parts, but they are often more expensive.
- Junkyards/Salvage Yards: A great option for finding used parts at a fraction of the cost.
- Online Jeep Forums and Communities: These forums often have classified sections where members sell used parts.
Tips for Buying Parts:
- Know Your Vehicle's Specifications: VIN number, engine type, and transmission type are crucial for finding the correct parts.
- Read Reviews: Check online reviews before purchasing parts, especially from unfamiliar brands.
- Compare Prices: Shop around to find the best deals.
- Check Warranty Information: Make sure the parts come with a warranty.
- Consider Aftermarket vs. OEM: Aftermarket parts are often less expensive, but OEM parts are guaranteed to fit and perform as expected.
Section 5: Important Considerations and Potential Challenges
- Part Availability: Some parts for the 1999 Grand Cherokee may be discontinued or harder to find.
- Compatibility: Ensure that the parts you purchase are compatible with your specific model and trim level.
- Quality: Not all parts are created equal. Choose reputable brands and avoid cheap imitations.
- Installation: Some parts require specialized tools or skills to install. Consider hiring a professional mechanic if you're not comfortable doing it yourself.
- Rust and Corrosion: Vehicles in areas with harsh winters or coastal climates are prone to rust. Inspect parts carefully for rust before purchasing them.
Table: 1999 Jeep Grand Cherokee Parts Price
| Part | Estimated Price Range (USD) | Notes |
|---|---|---|
| Oil Filter | $5 - $15 | Price varies by brand and quality. |
| Air Filter | $10 - $25 | Price varies by brand and quality. |
| Fuel Filter | $15 - $35 | Price varies by brand and quality. |
| Cabin Air Filter | $10 - $25 | Price varies by brand and quality. |
| Brake Pads (Front) | $20 - $60 | Price per set. Varies by material (organic, ceramic, semi-metallic). |
| Brake Rotors (Front) | $40 - $100 | Price per rotor. Varies by brand and quality. |
| Spark Plugs (Set of 6) | $20 - $60 | Price per set. Varies by material (copper, iridium, platinum). |
| Serpentine Belt | $15 - $40 | Price varies by brand and quality. |
| Radiator Hose (Upper) | $10 - $30 | Price varies by brand and quality. |
| Battery | $80 - $200 | Price varies by CCA (Cold Cranking Amps) and warranty. |
| Blend Door Actuator | $20 - $50 | Price varies by brand and quality. |
| Window Regulator | $50 - $150 | Price varies by brand and quality. |
| Exterior Door Handle | $20 - $60 | Price varies by brand and quality. |
| Shock Absorbers (Front Pair) | $60 - $200 | Price per pair. Varies by brand and type (gas, hydraulic). |
| Water Pump | $40 - $100 | Price varies by brand and quality. |
| Fuel Pump | $80 - $250 | Price varies by brand and quality. |
| Suspension Lift Kit | $200 - $1500+ | Price varies greatly depending on lift height, brand, and components included. |
| Tires (Per Tire) | $100 - $300+ | Price varies greatly depending on size, brand, and tire type. |
| Exhaust System (Cat-Back) | $200 - $800+ | Price varies by brand, material (stainless steel, aluminized steel), and complexity. |
| Cold Air Intake | $100 - $300 | Price varies by brand and design. |
Note: Prices are estimates and may vary depending on location, retailer, and specific part variations. Labor costs for installation are not included in these prices.
Conclusion: Keeping the WJ Spirit Alive
The 1999 Jeep Grand Cherokee is a capable and versatile vehicle that can provide years of reliable service with proper maintenance and care. By understanding the available parts, common issues, and upgrade options, you can keep your WJ running smoothly and looking its best. Remember to do your research, shop around for the best deals, and don't be afraid to tackle DIY projects to save money. With a little effort, you can keep the spirit of the '99 Grand Cherokee alive for many years to come.
Frequently Asked Questions (FAQ)
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Q: What engine options were available for the 1999 Jeep Grand Cherokee?
- A: The 1999 Grand Cherokee offered three engine options: a 4.0L inline-six, a 5.2L V8, and a 4.7L V8 (introduced later in the model year).
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Q: Where can I find a reliable source for 1999 Jeep Grand Cherokee parts diagrams?
- A: Jeep dealerships, online parts retailers like Mopar Parts Giant, and online forums often have access to parts diagrams.
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Q: Are parts interchangeable between different trim levels of the 1999 Grand Cherokee?
- A: Some parts are interchangeable, but others are specific to certain trim levels (e.g., Limited, Laredo). Always check compatibility before purchasing.
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Q: How can I determine the correct part number for a specific component?
- A: Check your owner's manual, look for the part number on the existing part, or consult with a Jeep dealership or auto parts store.
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Q: Is it difficult to replace the blend door actuator myself?
- A: Replacing the blend door actuator is a moderately difficult DIY project that requires some mechanical skill. There are many online tutorials available.
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Q: What is the recommended oil type for the 1999 Jeep Grand Cherokee?
- A: Consult your owner's manual for the recommended oil type and viscosity. Typically, 10W-30 is recommended for the 4.0L inline-six and 5W-30 for the V8 engines.
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Q: How often should I change the transmission fluid in my 1999 Grand Cherokee?
- A: Refer to your owner's manual for the recommended transmission fluid change interval. Typically, it's recommended every 30,000-60,000 miles.
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Q: Where can I find a good mechanic who specializes in Jeeps?
- A: Ask for recommendations from friends, family, or online Jeep forums. Look for mechanics with experience working on older Jeep models.
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