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Cv boot issues

Nate08

By Nate08
in Ask A GM Technician

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Nate08 Enthusiast

Nate08

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I have an 08 GMC SIERRA.. I have recently put two axel under the driver side front wheel cause it keeps busting cv boots. Axel is cheaper than the boot, If you buy after market. This is black top driven only.. The truck has a 2 in rough county leveling kit under the front but I don't see how it could bother that boot. Is there any difference In a 2008 an 2009 axel?? I thought maybe the axels to short.. Cuz it's folding in an makes a weak shot then blows. Or could alinement have anything to do with it?? An suggestions will be helpful thanks

Doug_Scott Senior Enthusiast

Doug_Scott

Posted
Posted

You have had 3 boots split? How many miles between the splits? You should understand the sometimes price means something. If the complete shaft is cheaper than one boot, you really have to question the quality of the parts. How long did the OEM boot last? Look carefully for anything that could rub against the boot, especially in turns or at fully compressed or extended suspension. Boots do not split without cause. Where is the boot splitting? Is the split a clean cut all around, or torn, or uneven? Once a boot gets a small slit in it at either the valley or largest diameter point (parts with the most flex applied) it will quickly continue all the way around the boot.

Nate08 Enthusiast

Nate08

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Posted

OEM lasted out 18k.. After market bout a month or two. Then last night I checked it and one of the ridges had poped inward. So I'm thinking it may have something to do with alignment or camber. When the wheel is turned all the way to the right it flexes the boot to the max an causes it to collapse then creates a week spot. Then splits. Nothing could hit it. It's completely clearing in all directions. The kit is a rough country 2 in leveling kit. Have any problems with em?? It's a single spacer that bolts on the bottom of the strut.

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