September 15, 2008

2008 Suzuki SX4 Rear Differential Oil Change

A few weekends ago I changed the rear differential oil in my 2008 Suzuki SX4. Here is a brief overview of the process.

Items needed
At least 1 quart of 80w90 gear oil (2 quarts is a better idea)
Socket wrench
Drain container

The manual says to change the rear differential oil at 7,500 miles.

The manual calls for 80w90 gear oil. I like to use synthetic and it was tough to find locally. I ended up with Valvoline Dura-Blend. It is a synthetic blend gear oil.

The process was not hard. It is simply a matter of crawling under the rear of the vehicle.

First, I loosened the fill plug with the socket wrench. Then, I removed the drain plug and let the oil drain out. I noticed the oil was bluish. I replaced the drain plug and added slightly less than a quart of gear oil. It is easy to tell when you have added enough oil as it will start to drip out of the fill hole.

It was easy to squeeze the oil into the fill hole. However, I noticed that when about half the bottle was emptied I couldn’t get anymore out of the bottle. So I took the other quart and refilled the “squeeze” bottle.

I finished filling the rear differential, tighten the drain and fill plugs and then cleaned up.

Simple process to do. The oil was about $5 a quart and it took less than an hour to complete.

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