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89 m998 half shaft removal
- Thread starter beehumvee
- Start date
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- Charlotte NC
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Hi and welcome to the Outfit! Looks like you have been here a while. Several posts, so maybe this is a belated welcome.
ANYHOW, the how to for half-shafts is in the "Dash 20" Technical Manual
TM 9-2320-280-20-2
Page 6-17
PDF Page #647
Step by Step removal instructions.
Give that a peek and see if it looks like what you have.
- 307
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- Location
- Sweeden, KY
Also, you can look at thread "CV boot on HMMWV" for discussion about replacement boots. Include the quotes when you do a search.
- 6,932
- 9,594
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- Location
- Papalote, TX
What model is your truck? if it is an A0 or an A1 you can get them so cheap at Autozone that rebuilding them is far less economical than if your truck is an A2.
And they have a lifetime warrantee.
Good advice on the TM, it will give you the information you need.
With some possible exceptions if your truck has a 3 speed it is an A0 or an A1, 4 speed is an A2
And they have a lifetime warrantee.
Good advice on the TM, it will give you the information you need.
With some possible exceptions if your truck has a 3 speed it is an A0 or an A1, 4 speed is an A2
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- Location
- Sweeden, KY
The Autozone axles are listed in thread "CV BOOT INSTALLATION". Another thread with a lot of good information is "HMMWV Half Shafts".
- 6,932
- 9,594
- 113
- Location
- Papalote, TX
I am sorry, I blew right past the thread title, the 89 M998 would be an A0, geez how did I miss that.
Attachments
- 5,614
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- Metairie/La (N'awlins)
OP is in Spain
Welcome.
Might be best to try to find a surplus axle or bring assembly to a parts store to see if they can help find a universal boot.
Welcome.
Might be best to try to find a surplus axle or bring assembly to a parts store to see if they can help find a universal boot.
- 7,716
- 19,766
- 113
- Location
- Charlotte NC
.
Maybe they have auto parts stores there too - similar to Autozone?
- 585
- 585
- 93
- Location
- Evansville, IN
I tried rebuilding mine.. 7K axles....No Bueno.. Better off buying half shaft if you have ability to.. Otherwise I would consider using a boot stretcher to slide boot over the end.. I couldn't disassemble my half shaft without distorting the CV cup.. I honestly don't think they were made to be rebuilt, looks like there is some welded parts that were done during assembly and thus make them unserviceable,,,, Unless you have a boot stretcher, not sure its possible to rebuild.. Just my experience.. Someone else may chime in here..
PS: will need Oetiker clamps and tightener to fasten boot
PPS: Amazon I believe has services in Spain now.. Might be able to source half shaft that way.. And a lot of other HMMWV parts..
PPPS: On Amazon I found :
GSP NCV82075 CV Axle Shaft Assembly - Right Front (Passenger Side)
About $150 shipped to Spain via Amazon.. You'll need to do a little research to make sure you're getting the correct Half shafts but I believe you'll be able to find what you need at a reasonable price.. And All the HMMWVs were upgraded to 10K shafts when the were serviced/replaced.. I replace mine as they fail.. I have (2) 10K and (2) original 7k on my 89' 998 currently.. Not an issue..
Ocho Out !!
PS: will need Oetiker clamps and tightener to fasten boot
PPS: Amazon I believe has services in Spain now.. Might be able to source half shaft that way.. And a lot of other HMMWV parts..
PPPS: On Amazon I found :
GSP NCV82075 CV Axle Shaft Assembly - Right Front (Passenger Side)
About $150 shipped to Spain via Amazon.. You'll need to do a little research to make sure you're getting the correct Half shafts but I believe you'll be able to find what you need at a reasonable price.. And All the HMMWVs were upgraded to 10K shafts when the were serviced/replaced.. I replace mine as they fail.. I have (2) 10K and (2) original 7k on my 89' 998 currently.. Not an issue..
Ocho Out !!
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- 307
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- Location
- Sweeden, KY
That's a good point about the 7K axles having the pressed-on retainers (maybe even welded on?) I haven't seen too many 7K axles, but I did replace at least one boot on one. In thread "CV BOOT INSTALLATION" I posted a picture of the NAPA 6862110 silicone boot on an outer 7K joint. This boot was a nice piece but gray in color. I definitely did not stretch this boot over the joint. (I share the same skepticism about this procedure as RWH expressed in post #19 of that thread.) It has been a few years and I don't seem to have taken pictures of the process. Best I recall is that I left the outer joint together and slid the boot on from the other end. I forget whether the inner joint had the pressed-on retainer or conventional internal snap ring. Maybe the inner joint comes apart by knocking the spider off the shaft, over the small retaining clip on the end of the shaft? In any event, for these joints with the pressed-on retainers, you definitely don't want to impact the balls on the retainers in trying to get it apart. Just for reference, here are the three boots from the EMPI catalog that look like a good match to the 7K axles. These numbers convert to NAPA 6862107, 6862108 and 6862110 (in picture).
