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Old 04-25-2010, 04:39 PM   #1 (permalink)
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Unhappy Missing grease zerk, should I be worried?

So I finally got around to greasing the chasis on my own today. Found 5 out of 6 zerks no problem. Where's #6? Come to find out the propeller sliding shaft yoke zerk on the rear was gone. Just an empty threaded hole. Instinctively, I replaced it and pumped a couple squirts of grease (Amsoil Syn Racing). But now I'm wondering if I should be worried or not... 40,000 miles, and I have no clue how long this thing has been missing.

I also changed the front and rear differential oil. Was very easy thanks to this forum. Spark plugs and transfer case are next.

Thanks for any input or opinions,
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Old 04-25-2010, 04:57 PM   #2 (permalink)
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Re: Missing grease zerk, should I be worried?

The bad news is, without the zerk in place you were pumping grease out of your slip joint every time it expanded and contracted (basically every time you went over a bump or an obstacle). The good news is, the slip yokes don't need very much grease so there's probably no real harm done. The splines wouldn't wear any faster without grease, the grease just keeps them from rusting and makes sure they slip easy. I wouldn't worry about it if I was you.
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Old 04-25-2010, 04:57 PM   #3 (permalink)
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Re: Missing grease zerk, should I be worried?

A couple of squirts into the two yoke zerks is all you want to do, this way you won't risk hydrolock. The four u-joints cant be greased until clean grease can be seen oozing from the joint. I wouldn't worry too much about the missing zerk, just grease it again after a few hundred miles, one or two pumps, no more.
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Old 04-25-2010, 07:20 PM   #4 (permalink)
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Re: Missing grease zerk, should I be worried?

40,000 miles is a long time without greasin up them zerks. I hit every time I do an oil change.
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Old 04-26-2010, 01:22 AM   #5 (permalink)
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Re: Missing grease zerk, should I be worried?

You will be fine. If there is a serious problem it will manifest before your warranty is up.

Just don't over grease the zerks as that will cause problems.
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Old 04-26-2010, 09:05 AM   #6 (permalink)
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Re: Missing grease zerk, should I be worried?

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40,000 miles is a long time without greasin up them zerks. I hit every time I do an oil change.
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Old 04-26-2010, 09:33 AM   #7 (permalink)
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Re: Missing grease zerk, should I be worried?

hrmmm... all this doom and gloom.

I guess I might want to grease mine for the 1st time in 100K miles.
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Old 04-26-2010, 11:35 AM   #8 (permalink)
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Re: Missing grease zerk, should I be worried?

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hrmmm... all this doom and gloom.

I guess I might want to grease mine for the 1st time in 100K miles.
Honestly I think Toyota says that so that if you service the vehicle yourself and bust a u-joint they can blame you and deny warranty.

I'm not expert but grease takes a long time to break down...I just did my first grease of these points at 56k, no problems here.
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Old 04-26-2010, 12:38 PM   #9 (permalink)
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Re: Missing grease zerk, should I be worried?

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rrjames previously said: View Post
Honestly I think Toyota says that so that if you service the vehicle yourself and bust a u-joint they can blame you and deny warranty.
The only way a company operating in the U.S. could deny warranty on self serviced items is if they provide all service labor and materials free of charge. Check this out, knowledge is power... Magnuson Moss Warranty Act
Especially Section 2304(c.) which reads:

"(c) Waiver of standards
The performance of the duties under subsection (a) of this section shall not be required of the warrantor if he can show that the defect, malfunction, or failure of any warranted consumer product to conform with a written warranty, was caused by damage (not resulting from defect or malfunction) while in the possession of the consumer, or unreasonable use (including failure to provide reasonable and necessary maintenance)."


So it's not just as simple as saying it, they have to PROVE it. Good luck on that one, Mr.
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Old 04-30-2010, 11:05 PM   #10 (permalink)
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Re: Missing grease zerk, should I be worried?

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CaliChaos previously said: View Post
hrmmm... all this doom and gloom.

I guess I might want to grease mine for the 1st time in 100K miles.
If you ever have to change out a joint could you measure the diameter of the needle bearings and the cups/trunnions vs a new joint and let us know your finding? Loss of lubrication is the most common reason joints fail. The needle bearing will corrode which causes a loss of material, thus, creating a clearance which should not exist.
Are the FJ's joints sealed units? At 100,000 miles would it not be wise to change em regardless if they were greased or not or at least inspect them? Are you experiencing any vibration problems? Does your FJ ever see water?
Good luck with the no grease thing.

Last edited by ridn dirty; 05-02-2010 at 09:30 PM.
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