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Go Back   Hummer Forums by Elcova > Hummer H2 Discussion Forums > Technical Discussion and Customizing your H2

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  #1  
Old 07-10-2009, 04:12 AM
numberoneolddiver numberoneolddiver is offline
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Default grease fittings location

threr was a posting some time ago about the number and location of all the grease zerks. I had my h2 in for servicing and they only found 6 fittings this is a 2005 hummer any suggestions,are there more than this?
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  #2  
Old 08-26-2009, 11:19 PM
Luv2Camp Luv2Camp is offline
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Default Re: grease fittings location

here is the link

http://www.elcovaforums.com/forums/s...ad.php?t=30787
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  #3  
Old 08-27-2009, 01:51 AM
Easy Ed Easy Ed is offline
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Default Re: grease fittings location

I'll try to post all eleven of them in larger pics versus the old one I did. Hope it helps better before.

Ed

Attachment 51403

Attachment 51404

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Attachment 51406

Attachment 51407

Attachment 51408

Attachment 51409

Attachment 51410

Attachment 51411

Attachment 51412

Attachment 51413

Last edited by Easy Ed : 01-27-2021 at 03:01 AM.
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  #4  
Old 09-01-2009, 12:36 AM
lvmyhmr lvmyhmr is offline
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Default Re: grease fittings location

Great pictures! Just goes to show you you can not trust a grease monkey! My H2 has 90K on it and the upper idler (the one in the mirror in your pic) had never been greased. It was replaced at 50K under warranty. I changed it to a 90 degree zerk and am greasing it myself from now on. They have to take the skid pan off to get at this one and that is how they stripped the threads out of the frame with their air gun! The torque on the UCP is only 22 ftlbs according to the service manual.......that is not an impact gun torque.
Thanks for posting again. Bet I am not the only guy in this position!
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  #5  
Old 04-06-2015, 02:06 PM
Humvee21 Humvee21 is offline
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Default Re: grease fittings location

Excellent thread. I just got to these this weekend, but I wasn't able to figure out how on earth one can get to the one on the upper idler arm. I guess you have to unbolt it to access it? Will change it to a 90 deg zerk then.
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Old 04-07-2015, 12:24 AM
Easy Ed Easy Ed is offline
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Default Re: grease fittings location

These were to be changed out to 90 degree ones by the dealership on the early models when they came in for lube and oil change. I just went ahead and did it myself by un-bolting it and putting a 45 degree in (seen in the picture) since I was doing all my own work on ours.

Good luck, Ed

Quote:
Originally Posted by Humvee21
Excellent thread. I just got to these this weekend, but I wasn't able to figure out how on earth one can get to the one on the upper idler arm. I guess you have to unbolt it to access it? Will change it to a 90 deg zerk then.
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  #7  
Old 04-07-2015, 03:54 AM
Humvee21 Humvee21 is offline
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Default Re: grease fittings location

Quote:
Originally Posted by Easy Ed
These were to be changed out to 90 degree ones by the dealership on the early models when they came in for lube and oil change. I just went ahead and did it myself by un-bolting it and putting a 45 degree in (seen in the picture) since I was doing all my own work on ours.

Good luck, Ed

Interesting. The H2 was serviced by the dealership since new up until about 60k miles. I'm not surprised they didn't change it. I haven't had a good dealership experience yet.

Do you remember the thread size for the replacement? I'm guessing 1/4"? Thanks!
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  #8  
Old 04-07-2015, 11:21 AM
Easy Ed Easy Ed is offline
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Default Re: grease fittings location

Looked in the garage "automotive junk drawer" (I never throw anything away that I think I may need) and did find a straight out zerk that has a tapered 1/4-28 thread. I would say that would be the correct size.

Good luck, Ed

EDIT: Would need H-109-A

http://www.saeproducts.com/taper-thr...-fittings.html


Quote:
Originally Posted by Humvee21
Interesting. The H2 was serviced by the dealership since new up until about 60k miles. I'm not surprised they didn't change it. I haven't had a good dealership experience yet.

Do you remember the thread size for the replacement? I'm guessing 1/4"? Thanks!

Last edited by Easy Ed : 04-07-2015 at 11:24 AM.
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  #9  
Old 04-07-2015, 01:21 PM
Humvee21 Humvee21 is offline
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Default Re: grease fittings location

Quote:
Originally Posted by Easy Ed
Looked in the garage "automotive junk drawer" (I never throw anything away that I think I may need) and did find a straight out zerk that has a tapered 1/4-28 thread. I would say that would be the correct size.

Good luck, Ed

EDIT: Would need H-109-A

http://www.saeproducts.com/taper-thr...-fittings.html

Thanks Ed!
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  #10  
Old 04-08-2015, 12:31 AM
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Default Re: grease fittings location

The idler arm on the HUMMER H2 has a grease fitting near the top end of the shaft facing the right-hand frame rail. Access to this fitting is very limited and may be accomplished, although not easily, with the use of a 90? grease gun adapter. However, to assure an adequate lubrication at each maintenance interval, it is recommended that the grease fitting be replaced with a 90? style fitting, P/N 09417903, pointing upward.
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  #11  
Old 04-08-2015, 12:33 AM
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Default Re: grease fittings location

That's the gm bulletin, not a mandatory replacement but a recommended one. I do believe if my memory serves that it was a customer pay item as well.
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Old 04-08-2015, 12:46 AM
Easy Ed Easy Ed is offline
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Default Re: grease fittings location

oops, my bad ;-) Thanks HUMTECH

Quote:
Originally Posted by HUMTECH
That's the gm bulletin, not a mandatory replacement but a recommended one. I do believe if my memory serves that it was a customer pay item as well.
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  #13  
Old 04-08-2015, 01:41 PM
Humvee21 Humvee21 is offline
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Default Re: grease fittings location

Thanks ya'll. I was able to find the TSB. Seems like the GM P/N for the grease fitting is no longer available or the ones that I have found with that P/N are $30 and above. Not paying that price for a grease fitting. I ordered the one Ed posted above.
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File Type: pdf H2 Idler Arm Grease Fitting TSB.pdf (15.7 KB, 540 views)
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  #14  
Old 04-09-2015, 06:53 PM
Humvee21 Humvee21 is offline
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Default Re: grease fittings location

Got the grease fitting today. Would ya'll recommend any loctite on the threads? Should I be worried that the fitting won't be sealed?
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  #15  
Old 04-09-2015, 07:55 PM
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Default Re: grease fittings location

No Loctite, jst screw it in snug they can break easy if over tightened, it wont need to be sealed just snug it up
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  #16  
Old 04-25-2015, 06:51 PM
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Default Re: grease fittings location

If you replace your idler arm get a MOOG and it will come with a nice extension tube you can zip tie right up front for nice easy access with your grease gun.
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