Back to all

What Is a Differential and Do You Have One?

July 21, 2022

With front-wheel drive being so common these days in Grand Haven , Michigan , the differential is just taken care of during a transmission service, so most Grand Haven drivers don't even have to think about it. And rear-wheel drive differentials don't need to be serviced for years, so it's understandable that it's not something on the top of Grand Haven customers' minds. It's not uncommon for drivers to not know they have a differential let alone know that it needs service.

Call Tuffy Grand Haven in Grand Haven at 616.844.5557 for information about differential service, or stop by our Grand Haven , Michigan , auto center at 435 N. Beacon Blvd., 49417.

To better understand what a differential does, think about our local Grand Haven high school track. There are lanes marked off on the track. For the longer distance races, the starting lines are staggered. The starting lines for the outside lanes are ahead of the starting lines for the inside lanes. That's to compensate for the longer length of the outside lanes. Staggering the starting lines means that each runner has the same distance to run.

The differential compensates for the difference in speeds between the inside wheel and the outside wheel in a turn, because they have to travel together through slightly different distances.

It's a very important function. When you think of it, all the power to get a vehicle moving goes through the differential. Most cars in the Grand Haven , Michigan area weigh between 3,000 and 6,000 pounds (1,400 and 2,800 kg) – trucks even more. The power from the engine goes through the transmission and then through the differential to the drive wheels.

That's a lot of work and requires very heavy duty parts. And those parts need protection. The differential fluid lubricates the gears in the differential and keeps them cool.

The fluid eventually gets dirty and worn down. Some kinds of differentials require special additives that break down over time. So vehicle manufacturers recommend intervals for replacing your differential fluid.

The professionals at Tuffy Grand Haven will drain the used fluid and check it out for metal bits, which could be a sign of excessive wear on the gears. Then they’ll replace the fluid and install the additives if necessary.

Your Tuffy Grand Haven service advisor can look up the vehicle manufacture's recommended service interval or you can check your owner's manual. Give us a call at 616.844.5557 for more information about your differential service.

Tuffy Grand Haven
435 N. Beacon Blvd.
Grand Haven , Michigan 49417
616.844.5557

More articles from Tuffy Grand Haven

What?s That Yellow Squiggly Line Anyway? (What Warning Lights Mean)

November 30, 2025

You may have noticed when you start your vehicle, youll see several symbols light up on the dash. Theyre different colors and shapes, and sometimes its hard to figure out what each of those symbols mean. They are warning lights and symbolize something in your vehicle is sending you a message. I... More

Cabin Air Filter and Engine Air Filter: What?s the Difference?

November 23, 2025

You may have heard someone say they just got the air filter replaced in their vehicle. But did you know your vehicle has two different major air filters and they both perform quite differentbut very importantduties? Todays vehicles have a cabin air filter, and an engine air filter. The engine a... More

Knowledge is Power (Battery Testing)

November 16, 2025

Its likely happened to you once or twice. You head to your vehicle, open the door, turn the key and lo and behold, your battery is dead. Now youre stranded, may have to get a jump or a tow, and youll definitely be late for wherever you were headed. While your vehicle may sometimes give you warni... More