8 Steps to Replace Your Truck Oil Seal

The process of replacing a truck oil seal requires certain expertise and tools to ensure sealing performance and the normal operation of the vehicle. High performance + stable supply + professional service NNK is committed to providing reliable and durable sealing solutions for the truck maintenance and manufacturing industries

 

Truck wheel hub oil seal replacement steps

1. Preparation

Stop the car and apply the parking brake

Lift the truck tire with a jack and secure it with a support frame

Prepare the necessary tools: wrench, screwdriver, hammer, pry bar, oil seal puller, new oil seal, grease, torque wrench, etc.

2. Remove the tire and brake drum

Remove the tire nut and tire

Remove the brake drum or brake system parts to expose the wheel hub bearing and oil seal position

3. Remove the old oil seal

Remove the bearing lock ring and bearing

Pry out the old oil seal with an oil seal puller or screwdriver

4. Cleaning and inspection

Clean the inside of the wheel hub and the bearing position

Check whether the bearing is worn and whether the wheel hub is scratched

Remove all old grease and impurities

5. Install the new oil seal

Apply grease (or lubricating oil) to the edge of the new oil seal

Use a special tool or a light hammer to press the new oil seal evenly

Make sure the oil seal is perpendicular to the mounting surface and fully embedded

6. Reinstall the bearing and wheel hub

Add appropriate amount of bearing grease

Install bearings, lock rings and other parts

Reinstall the brake drum and tire

7. Tighten bolts & re-inspect

Tighten all bolts using a torque wrench according to the original factory standard

Lower the vehicle and check for leaks at the oil seal

8. Test drive and observe

Start slowly and observe for abnormal noise or oil stains

Check the sealing effect again after running for a period of time

NNK oil seal factory's advantages in truck oil seal production

1. Wide range of compatible models, covering mainstream brands

NNK factory can produce oil seals suitable for a variety of truck brands, including:

VOLVO / SCANIA / MAN / DAF / IVECO / MERCEDES-BENZ / FORD / HINO / ISUZU / FUSO, etc.

Including a full range of products such as front and rear wheel hub oil seals, differential oil seals, crankshaft oil seals, and half-axle oil seals

2. High-quality materials, wear-resistant and high-temperature resistant

Select high-grade materials such as NBR, FKM (Viton), and PTFE

High-temperature resistant, oil-resistant, and wear-resistant, adapting to the harsh environment of long-term high-speed operation of heavy-duty trucks

3. Strong mold development capabilities and support for customization

With thousands of ready-made molds, covering more than 90% of market demand

New molds can be quickly developed according to customer drawings or samples, with fast mold opening speed and low minimum order quantity

4. Strict quality control to ensure the stable quality of each product

Each process strictly implements ISO standards

Products undergo 100% airtightness testing, size testing, and material testing before leaving the factory

5. Fast delivery and sufficient inventory

Conventional models are in stock in large quantities and can be shipped within 24 hours

Owned warehousing system, with hot-selling models in stock all year round

6. Rich export experience, serving global customers

Supports a variety of international certifications and export packaging

Long-term cooperation with many well-known truck repair companies and parts wholesalers around the world, with a good reputation

Tips

-When replacing the oil seal, it is recommended to check and replace the bearing at the same time

-Using a reliable oil seal brand (such as: NNK oil seal) can increase the seal life

-Regular maintenance can effectively extend the service life of the oil seal