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Best Auto Repair, Wayne

1405 Hamburg Turnpike Wayne, NJ 07470

973-709-1115
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973-709-1115 | 1405 Hamburg Turnpike

AUTONET TV

AUTONET TV, Wayne, NJ

Time for Differential Service at Bob Crevaux's Wayne Auto Works?

Posted February 29, 2016 7:48 AM

Hello Wayne - let's talk differentials. If you have a rear-wheel drive vehicle, your differential is on the back axle. With front-wheel drive cars, the differential is up front. All-wheel drive and 4-wheel drive vehicles have three differentials - front, rear and in the middle. So you see, you've got a differential (or two or three) and it needs service now and then.

What does your vehicle differential do? Well, it compensates for the differences in speed between your outer and inner wheels in a turn. Using the dimensions of a typical car, let's compare the distance the wheels travel from the start of a turn through to the completion of the turn.

The inside wheel travels about 12.6 feet/3.8 meters. How much farther does the outside wheel travel? About 18.8 feet/5.7 meters – over 6 feet/1.9 meters more. This means the outer tire has to rotate 9 times in the same amount of time that the inner tire has to rotate only 6 times - so the outer tire has to spin faster in order to keep up. The differential makes this possible.

The gears in the differential are cooled and lubricated by differential fluid. It's this fluid that needs to be serviced. Small bits of the gears break off and are suspended in the differential fluid. The dirtier the fluid, the faster the gears wear.

So your Bob Crevaux's Wayne Auto Works technician drains the old fluid out and replaces it with fresh fluid. Some differentials also need a special additive that is put in at this time.

So when should you have your vehicle differential serviced? Intervals vary from vehicle to vehicle – and may be as short as 15,000 miles/24,000 km – so check your vehicle owner's manual or ask us at Bob Crevaux's Wayne Auto Works. If you frequently drive with heavy loads, tow a trailer or drive in hot NJ conditions, you may need to change differential fluid more often. Servicing your differential on schedule at Bob Crevaux's Wayne Auto Works can save a pricey replacement down the road.

Give us a call.

Bob Crevaux's Wayne Auto Works
1405 Hamburg Turnpike
Wayne, NJ 7470
973-709-1115



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, 03/24/2020
I can't say enough great things about Bob and his team. Over the years I've brought my daily drivers and my classic muscle car in, and the level of service is nothing short of excellent. The care and expertise they have shown with my classic is second to none. I'm consistently impressed with their knowledge. The things they can do I can guarantee came from years of hands on work, and not from a manual! They are upfront and honest ....and will solve the problem no matter how difficult. Thanks as always guys!
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