Driveshaft Removal - Any Ideas?

[Pingu]

I've broken a 15 ton puller on it (now fixed) and we've given it some large smacks with a 7lb sledge hammer with a drift.

It's off the diff and hanging down, resting on the exhaust and the nut is loose.

Has anyone got any top tips for removing the driveshaft?

I don't plan on replacing the bearings, so don't want to use heat, but this may be the last resort.

 

[Stevo7682]

Gary had this issue when rebuilding Stevie's back axle one of the shafts would not come out of the hub ended up on the work press much plusgas and much tonnage to break the corrosion.
Stephen.

 

[Pingu]

Gary had this issue when rebuilding Stevie's back axle one of the shafts would not come out of the hub ended up on the work press much plusgas and much tonnage to break the corrosion.
Stephen.

How many tons? It will give me an idea of who I need to see. Some of the garages around here will press bearings for a few tinnies. The ones with the big stuff need some proper money.

The head came off the sledge hammer, so I'll buy a new one tomorrow and we'll give it a proper go. Luckily, the car is on the tilt ramp, so we can get the hub to just the right height for a full blooded swing .

 

[Stevo7682]

Think ours are 30 ton check tomorrow
I would also give it a good douse with plusgas over several hours and let sit hopefully penetrate.
Ideally arm off stand upright so can fill hole with plusgas let shaft end sit in pool overnight gravity penetration would be potentially more effective.

Stephen.

 

[Althulas]

Mine took the swing arm being off the car and supported and clamped. Penetrating fluid, plus a good swing with a two handed lump hammer to shift it, garage I used said it was one of the most stubborn ones they’ve had to do, fortunately the end of the drive shaft did not deform to scrap it but I had to use a die to clean up the first section of threads. Wish you luck Pingu

 

[Lee]

Drive shaft removal tool, uses the bolt holes for the wheel bolts. We wouldnt get any Z3 shafts out without this tool.

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[Althulas]

I used on of those drone my farmer mate @Lee but would not budge for me in my case. I was surprised at not seeing any corrosion on any of the surfaces there so I was bewildered to why it was such a pig to remove. The new bearing and refurbished shaft went in silky smooth though.

 

[Lee]

Give her some heat. Also when the assembly is under tension I give the end a clout a few times. Might also be easier for me as I’m using an impact gun with 2000nm of torque. Never been defeated yet.

 

[Pingu]

Give her some heat. Also when the assembly is under tension I give the end a clout a few times. Might also be easier for me as I’m using an impact gun with 2000nm of torque. Never been defeated yet.

If you are using an impact gun, does that mean you are no using the hydraulic jack, just the screw?

100kg on a 2m bar will be quite a sight. I have a 3/4" knuckle bar, a 3/4"-1/2" adapter and a 1/2" socket, an axle stand top support it all, and a 2m scaffolding pole. What could possibly go wrong?

 

[Althulas]

Sounds like a good video

 

[Pingu]

Sounds like a good video

Better than some, not as good as others

 

[Andyboy]

You need heat. Oxy acetylene on the hub flange around the nut until it's pretty much glowing.

I've noticed with BMW's that the newer they are, the more everything rusts.

2011 E90 318d and 2013 F30 320d.

 

[Pingu]

You need heat. Oxy acetylene on the hub flange around the nut until it's pretty much glowing.

I've noticed with BMW's that the newer they are, the more everything rusts.

2011 E90 318d and 2013 F30 320d.

Holy sh..., that hub is gopping.

I can try to get enough heat into it, but I'd be surprised if I can make something that big glow red. I've got oxy-propane with a 315 nozzle.

 

[Peter1450]

So much for German engineering, some of the fasteners on my wife’s Z weren’t recognisable as something that originally had a thread!

 

[Peter1450]

Holy sh..., that hub is gopping.

I can try to get enough heat into it, but I'd be surprised if I can make something that big glow red. I've got oxy-propane with a 315 nozzle.

Don’t think you’ll be reusing that wheel bearing

 

[Andyboy]

The wheel bearing will be fine but to be safe I’d replace it. That is the ideal time to replace the brake backplate.

 

[Andyboy]

The bearing is easy to replace with the shaft removed.

 

[Andyboy]

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