fpchief
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The Dorman CV boot spreader works great on the more flexible CV boots. Here is what happens when used on the heavier duty military grade CV joint boots. The manufacturer recommends 90 PSI for use. It wont even begin to spread the heavier boot at that PSI. I even tried to heat the rubber boot to make it more flexible to no avail. I have only had to replaced one of my half shaft boots. It is a 7K shaft and I used the Dorman part # 614-003. I cut it to size from the back side and it works fine.Because apparently I have too much money on my hands, I've purchased the Doorman CV boot spreader tool. It arrives today and I'll let you all know how it works out.
The tool has been out long enough that it sells on Amazon for $80 less than previous offerings with free shipping. If you want to keep American made axles on your truck but you don't have $800-$1000 to drop on new, US-made 10k axles, this is the way to go.
Face it, even if you do upgrade to new, 10k US-made axles, you're eventually going to tear a CV boot especially if you off-road. Are you going to just keep dropping $250-$300 on a new axle or are you going to get dirty and replace a $25 dollar boot?
Read my lips: I'm not putting $110 Autozone CHICOM axles on this truck. Ever. I've seen enough photos of failures from reputable HMMWV mechanics and it's simply an insult to our military and our national manufacturing base. What other people do with their trucks is their business.By the time I purchase 4 spare axles from AutoZone with lifetime warranty, I have spent just a little bit more that a Doorman CV boot tool and grease and 2 boots.
I love DIY fixes BUT at just over $110 per axle I just cannot justify this DIY unless I'm stuck on a trail. Even then I carry the spare axles so...
This is an awesome thread but seems easier to clean and split the CV from the axle and then place the boot on a trail where I don't have compressed air BUT I do have tools. Either that or the Saran Wrap trick to get me home and then swap axles there.
Best,
T
Read My Lips:Read my lips: I'm not putting $110 Autozone CHICOM axles on this truck. Ever. I've seen enough photos of failures from reputable HMMWV mechanics and it's simply an insult to our military and our national manufacturing base. What other people do with their trucks is their business.
For ME, this changes the cost calculus: Inexpensive boots and some hours of labor and getting dirty *or* $1300 in new, US-made axles. There is no middle ground, unfortunately.
That doorman boot tool and replacement boots are probably made in China as wellI can't help how the vehicle was equipped when I bought it. I can change how it is equipped going forward.
When there are options to purchase US made parts, I will avail myself of them. If there is *no* other option but to purchase a foreign made replacement part or let the vehicle sit inoperative, I would purchase the foreign made part with an eye towards replacing the foreign part with a domestic when/if it becomes available.
At the very least, @Retiredwarhorses and other HMMWV shops have posted the splined ends snapped off of Autozone axles that failed during normal driving. That's enough to turn me away from them.
The tool is certainly Chinese. Doorman boots I'm actually still researching. There are numerous companies that make extruded rubber and neoprene products within the U.S. In any case, I'm using a boot from AMGen which I'm highly confident is US made. The NAPA boot is from Empi US. I'm looking into that one.That doorman boot tool and replacement boots are probably made in China as well
I am new to the site and new to owning a M1097 R1. Is this spreadsheet something your willing to share?Got a part# on those autozone cv's? I want to add them to my part cross reference excel spreadsheet. Search on autozone shows nothing for an H1 under CV. Thx
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As long as it's an M1097R1 with the 3 speed transmission the autozone halfshafts should work. If it has a 4 speed transmission then pretty much everything in the drivetrain is a different part number and not compatible.I am new to the site and new to owning a M1097 R1. Is this spreadsheet something your willing to share?
Is there a way to tell if it’s the 3 or 4 speed besides driving it through the gears.As long as it's an M1097R1 with the 3 speed transmission the autozone halfshafts should work. If it has a 4 speed transmission then pretty much everything in the drivetrain is a different part number and not compatible.
You can look up parts under 1992 Hummer H1
Part numbers for the shafts are:
16058N front driver
16059N front passenger
16060N Rear (x2)
Ha ha. Valid point. I am good with the mechanical part. But still learning about some of the many humvee variations.If your transmission shift does not have a “P” / Park gear position, then you have a three speed.
If you need to ask such a basic question then perhaps these are not the vehicles or the repairs you should undertake until you read a few TM/technical manuals.
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