How to Determine the Correct Replacement Grease Cap for a 2013 Outback Trailer

Question

Question:

I need to replace one on my 2013 Outback RV Trailer, it has the rubber seal and wanted to make sure this would fix and is correct? Thank you.

asked by: Bryan

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Expert Reply:

The best way to determine which dust cap will work for your 2013 Outback trailer is to measure the inner diameter of the hub where the dust cap presses in. This measurement will have to be precise because dust caps come in many different sizes. I recommend using a dial caliper or another precise measuring tool.

Once you have the inner diameter, simply select the dust cap that has the same or a slightly larger outer diameter. For example, if the inner diameter of the opening of your hub measures 1.98 inches, then you will want the dust cap # DC200L-DCRP that you referenced. I have attached a link to all of our grease caps for you.

Since your current dust cap has a rubber seal, you likely have EZ Lube spindles. Be sure you choose a dust cap that has the same rubber seal. If you want to send me the inner diameter of your hub, I will be happy to make a more specific recommendation.

expert reply by: John H

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Answer 1

When packing a hub's bearings with grease prior to reinstalling it on the spindles (which would be perfectly normal after servicing the brakes) it is possible to over-fill the hub with too much grease. Its human nature: if some grease is good (it…

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Answer 2

When installing the castle nut on the end of the spindle, there is no specific torque rating. The nut is ran down until there is no side to side play in the hub, and then backed off to the next notch in the castle nut so the retainer can secure the…

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Answer 3

It sounds like you need the 2" Lubed Dust Cap & Rubber Plug item #DC200L-DCRP. These fit a 1.99 Inch hub bore.

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Answer 4

An EZ lube spindle will be better because it allows you to insert grease from inside the spindle where the bearings are and push out the old grease whereas with a Bearing Buddy you basically just get to push grease through the front of the hub. I…

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Answer 5

On a E-Z Lube Spindle #TRU74FR you will pump in Grease #L11390 with a Grease Gun #L30416 until you see it begin to push grease past the spindle nut. If you are using Bearing Buddies #BB84SR the grease will seep around piston edges and into barrel…

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Answer 6

There aren't any stainless steel grease caps with the EZ lube cap on them available in the size you need so your best option is the part #DC200L-DCRP which is zinc coated and has the cap you need.

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Answer 7

In order to add EZ Lube hubs to your trailer you must already have EZ Lube spindles. If your axles do not have EZ Lube spindles these will first have to be welded on by a qualified service technician (welding spindles is not a task that we recommend…

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Answer 8

The bearing races on a trailer hub, like the Trailer Hub Assembly, part #8-258-5UC1, are removable, they are not built into the hub. I am including a link to a FAQ page on wheel bearings, races, and seals. Also, a link to a video of removing and…

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Answer 9

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 10

The difference between an load range C and load range D tire in the same size is the capacity and psi rating. The two tires will still have the same dimensions and fit on the same wheel. The D rated tire has a higher capacity. For a ST175/80D13 like…

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Answer 11

Even though I cannot comment specifically on the grease you used because I am not familiar with it, I can tell you the best grease for trailer bearings is a a grease with a rating of GC-LB, which just means it is made to withstand very high…

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Answer 12

To find the load capacity for your axle you should look on the trailer VIN plate or sticker that lists the VIN number. The weight rating of the axle should be listed on that same plate or sticker. Also, the axle could have a tag or plate on it that…

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