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GO DAWG GO's Avatar
 
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Turbo Front Wheel Bearing Access

I was checking my 1987 front suspension a while back and had the front jacked up yanking and twisting. I was checking for any slop in the suspension and tie rods. I noticed that the right front wheel had a little extra play in the front wheel bearings. Figured I would replace the bearings and seal when I repacked them. Interesting enough, the dust cap is completely recessed in the adapter and not easily removed. I also noticed that it has a spot welded threaded bung or boss in the center. How do you guys remove the cap? I did a query on the net for a tool and didn't come up with one. I was thinking of making a puller out of C channel and a 8 MM stud and bolt to screw in the bung and pull it out... Like a VW oil pump puller for those of you who have seen one. Is there a tool available?


Thanks

Bob
Old 03-06-2007, 11:38 AM
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Slidehammer. Some guys made their own out of studding and a heavy weight.
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1981 UK 930. G50/01 shortened, 964 3.8RS Fibreglass Body Kit, 18" Alloys 8.5" F & 10" R, 225's F & 285's R, Special Colour Metallic Blue Paint, FIA Sparco Evo's, A/C and Air Pump removed, Electronic Boost Controller, GHL Headers, Tial46 WG.
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1983 UK 911 3.2 Carrera Sport Coupe. Black, Black Leather with Red Piping, Black Alloy Gear Knob, K&N Air Filter Element, Turbo Tie rods.
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Old 03-06-2007, 01:59 PM
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You can rent(borrow) a slidehammer kit from Autozone for free. If you get a bolt size that fits in the cap, you can rig up the hammer to pull it out.
Old 03-06-2007, 03:27 PM
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Do a search on the 911 forum, this has been discussed a few times as I discoverd as well. I did mine a little over a year ago and made my own tool for $8.

Help Removing rotors on 87 930

front wheel dust (bearing) cover removal

Wheel Bearing Dust Cover Removal
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Old 03-06-2007, 03:37 PM
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Nathan, Doug and Mark,

I had no idea this has been a thorn for so long. I thought someone would say "Hey Bob there is a $10 tool for that" ..What does Porsche do? If that threaded bung has a history of coming off????I think when I do get them off I will drill a concentric hole and install a class 8 bolt with the threaded shank facing outboard and make a puller from C channel like I said earlier. The slidehammer is not a good method because it relies on a shock method which that bung and its attachment process has a history of failure.. I think I will design a puller and sell them.

Do you think they would sell for $10-15 if they worked? A thinner dust cap with a firm attachment device....Hummm! I bet VW makes a cheap dust cap that would fit and be modified? Thinking out loud!

Thanks

Bob
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Old 03-07-2007, 05:17 AM
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Bob, The tool I made was a puller type. It was basically a threaded rod with large washers and a steel plate. As I tightened the end nut onton the plate (supported by the lug nuts) the dust cap pops off.
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1987 930
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Old 03-07-2007, 05:23 AM
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