[image] I have a 2007 Audi A4 and about 5 weeks ago had both front cv axels replaced. About a week ago they start creaking, cracking, popping all that so I call the mechanic up and he tells me to bring it in. He puts it on the lift and the left axels is just torn all apart and the internals were we…

[image] Eric_M_2: Was this going to end up like the other one? Eventually, yes.

I’m not really sure what the mechanic put on it I’ll have to ask him. I believe aftermarket new. I don’t think the problem was the axel but rather his installation job.

[image] jtsanders: it looks like you ran over something that tore the boot. IMO, you should contact your auto insurer and see if they will cover it. That’s what you pay them f The cv axel is covered under a warranty because they are only 5 weeks old. They will be replaced tomorrow. But I don…

See @Tester comment above. If the splines weren’t inserted all the way in the hub, obviously the axle would be too compressed when driving and turning. Did the axle bolt come off? Was it a new one instead of the old one? Was it tightened to pull the spline all the way through the hub? I’ve onl…

The appearance of the splines on the axle shaft is normal, the axle shaft is connected to the inner race of the CV joint. If the axle shaft passed though the hub you wouldn’t be able to steer, only go straight, there needs to be a joint at the hub.

It’s a pretty common here for folks buying half-shafts (cv axles) to be given the wrong part number at the parts store. There can be a half-dozen different part numbers to choose from for the same make/model/year of vehicle. Which ones fit your car depends on the transmission, possibly the engine,…

[image] Nevada_545: If the axle shaft passed though the hub you wouldn’t be able to steer, only go straight, there needs to be a joint at the hub. I was probably unclear. It’s been a few years but the outer joint has the splined shaft that goes through the hub. The other shaft goes between…

The splines on the axle shaft means that the outer CV joint is probably replaceable.

I guess the question that we don’t know is if it is just the boot or the joint that ruined the boot. From my little experience though, the only time I’ve had a boot that destroyed was when the joint itself failed.

I blame the mechanic, he blames me!

Maintenance/Repairs

thegreendrag0n December 5, 2019, 12:35am 22

picture in post #5 seems to be from another side, it has signs of some blunt object pressing against the boot and making a tear

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I blame the mechanic, he blames me!

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