How many zirk fittings are on a 2017 E450. So far I have only found 4. The owners manual never mentions anything about lubricating fittings. I called Fords motorhome customer service center and they couldn't find any information regarding zirks on a class C but only on a class A. So much for customer service, lol.

I would just check all the usual places, tie rods, u joints, ball joints, basically anything that moves under the rig, and look for them.

Not directly related to your story but I went to AutoZone and O'Reilly auto parts asking for ZERK fittings.Neither young expert knew what they were. O'Reillys had them and I found them on the shelf. Expert said they were just grease fittings. Technically he was right

"Zerk" isn't wrong, either, of course. The fittings were invented by one Oscar U. Zerk and patented in 1929.There are not many (if any) fittings on the current Ford E series chassis. There at least used to be some on the steering fittings, and sometimes (on older ones) removable plugs on the ball joints where a zerk could be installed. The universal joints may also have zerks (the Ford ones generally don't, I believe, but stretching the chassis results in one or more other universal joints being installed).

There used to be grease fittings on ball joints. Then no fittings but there were plugs, and you could remove them and install fittings. Now, No Fitting, No Plug, No Way to grease the ball joints. I think you'll find them on the steering linkage. OEM driveshafts don't have fittings either.To Drew's point, our chassis was stretched 5-feet (158" to 218") but none of the U-Joints have fittings.I know there aren't any fittings on the rear suspension.So, those four are probably IT.

Factory parts usually don't have zerk fittings, but often times the replacement parts do??

Zirk fittings | Good Sam Community

DrewE
Explorer II
Apr 14, 2017
"Zerk" isn't wrong, either, of course. The fittings were invented by one Oscar U. Zerk and patented in 1929.

There are not many (if any) fittings on the current Ford E series chassis. There at least used to be some on the steering fittings, and sometimes (on older ones) removable plugs on the ball joints where a zerk could be installed. The universal joints may also have zerks (the Ford ones generally don't, I believe, but stretching the chassis results in one or more other universal joints being installed).
darsben1
Explorer
Apr 14, 2017
Not directly related to your story but I went to AutoZone and O'Reilly auto parts asking for ZERK fittings.
Neither young expert knew what they were. O'Reillys had them and I found them on the shelf. Expert said they were just grease fittings. Technically he was right
ScottG
Nomad
Apr 13, 2017
I would just check all the usual places, tie rods, u joints, ball joints, basically anything that moves under the rig, and look for them.

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