Recently, I was getting ready to change the oil on my GX470 and I wanted to get information on how to do it. I Looked all over this forum trying to find a DIY guide but to no avail. So I figured I would take some pics and make a DIY guide.
First you need to gather the tools needed for the job.
A ratchet with a 10mm, 12mm, a14mm sockets and a flat bladed screw driver. Two socket extensions and oil filter wrench. Next, you need to get the truck up off the ground so you can work on it. I used ramps to drive up on. To access the oil filter, you need to remove the front skid plate which is accomplished by removing 4 12mm screws which bolt the skid to the frame and 2 10mm screws and a push pin on the front plastic.
There are two metal clips that keep the skid plate on. If you have the truck high enough, the skid will just swing out of the way but since I was only a few feet up I need to remove the skid which requires you to weasel these clips out of the holes.
With the skid removed, you now have access to the oil filter.
The oil pan drain plug can be accessed from a removable panel so you don’t need to remove the rear skid.
To remove the drain plug use your 14mm socket with the longest extension.
The oil filter has a nice little funnel plate that allows you to capture the drips.
Re install your drain plug and note that it doesn’t need a crush washer. Reinstall the filter with a bit of oil around the rubber ring. Put it on hand tight, the rubber seal will swell causing it to become tighter. I used this opportunity to clean up the area before reinstalling the front skid
To install the skid plate, reverse the process you used to take it off. Pour six quarts of oil in, drink the obligatory beer and you are done.
How to change the oil on your GX470
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