Wurth GL4-SAE-80W-90 Gear Box Oil (1 L) Instruction Manual

1. Introduction

This manual provides essential information for the safe and effective use of Wurth GL4-SAE-80W-90 Gear Box Oil. Please read these instructions carefully before use to ensure proper application and to maintain the performance and longevity of your vehicle's transmission system.

2. Product Overview

Wurth GL4-SAE-80W-90 Gear Box Oil is a high-performance, high-pressure gear oil designed for various vehicle applications. It is formulated to reduce running noises and provide outstanding protection against wear in heavily loaded manual, auxiliary, and transaxial transmissions.

Key Features:

• High-performance and high-pressure gear oil.
• Reduces running noises and provides outstanding protection against wear.
• Optimally suited for heavily loaded manual, auxiliary, and transaxial transmissions requiring a lubricant according to API GL 3/4.
• Suitable for use in passenger cars and commercial vehicles.
• Eaton extended drain compatibility.
• Suitable for both Petrol and Diesel Engine cars.

Image 1: Wurth GL4-SAE-80W-90 Gear Box Oil 1 Liter Bottle. The image displays a black bottle with a red cap and a red and white label featuring the Wurth logo, "GEAR OIL SAE 80W-90", and "API GL-4" markings.

3. Safety Information

Always adhere to safety precautions when handling automotive fluids. Failure to do so may result in injury or damage.

• Read the Vehicle Manual: Always consult your vehicle's owner's manual for specific gear oil requirements and capacities.
• Personal Protective Equipment: Wear appropriate personal protective equipment (PPE) such as gloves and eye protection to prevent skin and eye contact.
• Ventilation: Use in a well-ventilated area to avoid inhaling fumes.
• Flammability: Keep away from open flames, sparks, and hot surfaces.
• Spill Management: In case of spills, contain and clean up immediately using absorbent materials. Dispose of contaminated materials properly.
• Keep Out of Reach: Store out of reach of children and pets.
• First Aid:
  • Eye Contact: Rinse immediately with plenty of water for several minutes. Seek medical attention if irritation persists.
  • Skin Contact: Wash thoroughly with soap and water. Remove contaminated clothing.
  • Ingestion: Do NOT induce vomiting. Seek immediate medical attention.
  • Inhalation: Move to fresh air. If breathing difficulties occur, seek medical attention.

4. Application Instructions

4.1. Preparation

1. Ensure the vehicle is on a level surface and securely supported with jack stands if lifting is required.
2. Allow the transmission to cool down to a safe handling temperature.
3. Gather necessary tools: drain pan, wrench for drain/fill plugs, funnel, and clean rags.

4.2. Draining Old Gear Oil

1. Locate the transmission drain plug. Place a suitable drain pan underneath.
2. Carefully remove the drain plug and allow the old gear oil to drain completely.
3. Once drained, clean the drain plug and replace it, ensuring it is tightened to the manufacturer's specifications.

4.3. Filling with New Gear Oil

1. Locate the transmission fill plug.
2. Using a funnel or appropriate pump, slowly add Wurth GL4-SAE-80W-90 Gear Box Oil through the fill hole.
3. Fill until the oil level reaches the bottom edge of the fill hole, or as specified by your vehicle's manufacturer.
4. Replace the fill plug and tighten it to the manufacturer's specifications.
5. Wipe away any spilled oil.

5. Maintenance and Disposal

5.1. Regular Checks

Regularly check your vehicle's transmission fluid level and condition as recommended by the vehicle manufacturer. Timely replacement of gear oil is crucial for optimal transmission performance and longevity.

5.2. Disposal

Used gear oil is an environmental pollutant and must be disposed of responsibly. Do not pour used oil down drains or onto the ground.

• Collect used oil in a sealed, leak-proof container.
• Take used oil to an authorized recycling center or a facility that accepts used automotive fluids.
• Check with your local authorities for specific disposal regulations in your area.

6. Specifications

7. Troubleshooting

While gear oil itself does not typically require troubleshooting, issues related to its application or performance can arise. Always consult a qualified mechanic if you are unsure about any aspect of your vehicle's transmission maintenance.

• Unusual Noises After Change: Ensure the correct oil type and quantity were used. Check for proper sealing of drain and fill plugs.
• Leaking: Verify that drain and fill plugs are tightened correctly and that their gaskets/washers are in good condition. Inspect the transmission housing for cracks or damage.
• Shifting Difficulties: While less common with correct oil, incorrect oil type or insufficient quantity can affect shifting. Consult a professional.

8. Contact and Support

For further assistance or inquiries regarding Wurth products, please refer to the official Wurth website or contact your local Wurth distributor.

This manual is for informational purposes only. Wurth is not responsible for any damage or injury resulting from improper use or application of this product.