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74 911 Targa
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engine/tran drop cv's stuck
74 911 So I have everything unplugged, unhooked and unbolted. CV's won't budge. I assume if I start to lower the engine they will probably separate but I thought I was supposed to get them out of the way first and cover them.
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05-26-2013, 04:20 PM
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Registered
Join Date: Mar 2010
Posts: 799
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Try whacking them with a mallet (deadblow, or something plastic that isn't going to destroy the CV). If you have the 4-bolt type flanges, the roll pins can cause the CV and flange to stick together.
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1973 Coupe Projekt X (AKA bunch o' boxes full of parts) |
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05-26-2013, 05:40 PM
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74 911 Targa
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So I've been beating on it with a rubber malet and tried changing the angle of the axle and wacking it by raising the wheel. I see the roll pin in the diagram but where does it go and what is its purpose? also if I do start droping the engine will they eventually separate without damage?
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05-27-2013, 06:43 AM
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gearhead
Join Date: Nov 2007
Location: Loverland, CO
Posts: 23,540
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If you start to drop it and they are really stuck, you can pop the circlip and rip the joint apart or tear a boot. Spray the joint thoroughly with OB blaster or other penetrant.
The roll pins are located between the gaps of the four bolts. |
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05-27-2013, 06:53 AM
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74 911 Targa
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So the roll pins are located where, if I had six bolts those 2 extra bolts would be. They ar not visible on the outside flange so they are located through cv into inside flange. For for extra rotational stability and assembly aligment? Just checking
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05-27-2013, 07:22 AM
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Registered
Join Date: Apr 2010
Location: New Orleans, LA
Posts: 1,493
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the pins seem to be there to align the bolt holes. the pieces are held together by the compression from the bolts (there should not be lateral forces applied to the bolts/pins if the bolts are torqued correctly). there are bumps on the axles where the pins go.
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1982 911SC, Mocal oil cooler, Bilsteins, Carrera tensioners, backdated heat, factory short shift, Seine gate shift, turbo tie rods, pop off. 2005 Mercedes-Benz C230 kompressor sport 6-speed (daily driver) |
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05-27-2013, 07:37 AM
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Registered
Join Date: Oct 2001
Location: San Carlos, CA US
Posts: 5,523
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flat spatula, flat screw driver, pry.
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Porsche 2005 GT3, 2006 997S with bore-scoring Exotic: Ferrari F360F1 TDF, Ferrari 328 GTS Disposable Car: BMW 530xiT, 2008 Mini Cooper S Two-wheel art: Ducati 907IE, Ducati 851 |
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05-27-2013, 07:53 AM
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74 911 Targa
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What worked for me was lots of PB blaster and whacking it with a rubber mallet as I rotated the hub. Here is the pic with the roll pins/ dowels.
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05-28-2013, 03:22 PM
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Registered User
Join Date: Nov 2010
Location: Discovery Bay, ca
Posts: 269
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I tap it with a small brass hammer as I am turning and pulling the CV! It can take some time but they will start to seperate over time! Just work your way around untill you get a gap and slide a screw driver in to pop it the rest of the way!
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05-28-2013, 04:42 PM
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someday
