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zerk fitting sizing for ball joint #4806780
07/06/18 11:31 AM
07/06/18 11:31 AM
Joined: Jan 2011
Posts: 632
Anaheim, CA
zorobabel Offline OP
zorobabel  Offline OP
Joined: Jan 2011
Posts: 632
Anaheim, CA
I purchased an AC Delco Professional lower ball joint for the Maxima and it came without the zerk fitting. The whole where the fitting should go is 6mm and has no threads. I see 6mm, 1/4" (6.35mm) and 7mm zerk fittings.
What should be the right size zerk fitting?


1997 Maxima 190k, QSGB 5w30+QSUD 5w30 (2:1), PL14477
2004 Corolla 193k, VWB 5w20 + SSS 10w40, MGL4967
Re: zerk fitting sizing for ball joint [Re: zorobabel] #4806892
07/06/18 02:13 PM
07/06/18 02:13 PM
Joined: Sep 2004
Posts: 7,796
Marshfield , MA
andyd Offline
andyd  Offline
Joined: Sep 2004
Posts: 7,796
Marshfield , MA
I put a 3/16 hole in a ball joint and the Zerk I had threaded in easily. A dab of RTV works too. I would get a couple of each.


'16 Camry LE STP synth 0w20 and STP filter. the Fridge

1994 Ranger ,the Rat, 5w30 dino, STP filter

'16 Camry SE, Valvoline HM 0w20 and OEM filter
Thick oil is better grin2
Re: zerk fitting sizing for ball joint [Re: zorobabel] #4806897
07/06/18 02:21 PM
07/06/18 02:21 PM
Joined: Jan 2017
Posts: 1,960
VW Fanboy Island
maxdustington Online content
maxdustington  Online Content
Joined: Jan 2017
Posts: 1,960
VW Fanboy Island
I will bet that it was supposed to have a drive-style zerk installed at the factory, but it did not get it. Unless it missed both the tapping of the hole and the zerk getting put in the box.


03 Jetta AWP/09A 205k kms
Edge 0W40 + Mann 719/30
Re: zerk fitting sizing for ball joint [Re: zorobabel] #4807063
07/06/18 05:45 PM
07/06/18 05:45 PM
Joined: Oct 2005
Posts: 4,407
Kansas
Kruse Offline
Kruse  Offline
Joined: Oct 2005
Posts: 4,407
Kansas
Originally Posted By: zorobabel
. The whole where the fitting should go is 6mm and has no threads.


I'm guessing that you need a self-tapping zerk. I had a discussion about them with a seasoned NAPA counter man a few months ago. He told me that there was no such thing...until I showed him some.

Re: zerk fitting sizing for ball joint [Re: Kruse] #4807075
07/06/18 06:00 PM
07/06/18 06:00 PM
Joined: Nov 2006
Posts: 20,559
MA, Mittelfranken.de
Trav Offline
Trav  Offline
Joined: Nov 2006
Posts: 20,559
MA, Mittelfranken.de
Never mind I see its a Delco. Moog takes 1/4"-28, try that. Fastenal has them.

Last edited by Trav; 07/06/18 06:04 PM.

ASE L1, Master. Deutsch Meisterbrief.
Re: zerk fitting sizing for ball joint [Re: zorobabel] #4810468
07/10/18 03:04 PM
07/10/18 03:04 PM
Joined: Jan 2011
Posts: 632
Anaheim, CA
zorobabel Offline OP
zorobabel  Offline OP
Joined: Jan 2011
Posts: 632
Anaheim, CA
Thanks for the replies!
I got the replacement today and the initial one I received (subject of this thread) is going back.
This is the old one, with some casting defect for the boot.

No thread where the (missing from the package) grease fitting should go

The new one with threads and included grease fitting.


1997 Maxima 190k, QSGB 5w30+QSUD 5w30 (2:1), PL14477
2004 Corolla 193k, VWB 5w20 + SSS 10w40, MGL4967

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