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CV boots. What is this domed cap for?
I was watching someone do his CV boots on his SC.
He just packed some grease and installed the boot with the greasy end exposed. He did not have this domed cap in the center of the photo. What is this cap for? Is it only on some models? 
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1986 Bosch Icon Wipers coupe. |
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06-12-2016, 09:32 AM
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Registered
Join Date: Jan 2009
Location: Marietta, Ga (Atlanta)
Posts: 2,970
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If you have an'86 Carrera as your post states, you have them on your car! The '85 1/2-'86 911s use this cap over the inboard CV instead of a gasket. Makes things much cleaner when doing any CV work. Came about with the change to 108mm CVs and larger axles.
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'80SC Widebody 3.6 transplant Anthracite "The Rocket" Long gone but still miss them all: '77 911 Targa, '72 BMW 3.0CS Coupe(finest car I ever had!) '71 911T Coupe White, '70 911T Coupe Blue '68 911 Coupe Orange, '68 911L Soft Window Targa |
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06-12-2016, 09:50 AM
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Member 911 Anonymous
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You lucky Suga, mine is a pre 85.5, 85, I use the gasket type a big mess when I need to drop the engine :-(
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'85 Carrera Targa Factory Marble Grey/Black * Turbo Tail * 930 Steering Wheel* Sport Seats * 17" Fuchs (r) * 3.4 * 964 Cams * 915 * LSD * Factory SS * Turbo Tie Rods * Bilsteins * Euro Pre-Muff * SW Chip on 4K DME * NGK * Sienes GSK * Targa Body Brace PCA/POC |
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06-12-2016, 11:21 AM
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Information Junky
Join Date: Mar 2001
Location: an island, upper left coast, USA
Posts: 73,189
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The reason is to keep people from reinstalling a grease-covered CV to the flange covered in grease. --Dry Metal on dry metal Friction, at that interface, helps keep the joint from moving, which helps keep the bolts from backing out.
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Everyone you meet knows something you don't. - - - and a whole bunch of crap that is wrong. Disclaimer: the above was 2¢ worth. More information is available as my professional opinion, which is provided for an exorbitant fee. 
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06-12-2016, 12:16 PM
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This was actually on a '78SC, not my car. Thanks for clearing that up!
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1986 Bosch Icon Wipers coupe. |
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06-12-2016, 01:26 PM
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Quote:
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Karl ~~~ Current: '80 Silver Targa w /'85 3.2. 964 cams, SSI, Dansk 2 in 1 out muf, custom fuel feed with spin on filter Prior: '77 Copper 924. '73 Black 914. '74 White Carrera. '79 Silver, Black, Anthracite 930s. |
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06-13-2016, 06:19 AM
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Quote:
Regards Dave
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'78 911SC Targa (Back In Action!) '00 996 Carrera (New kid on the block) '87 944 (college DD - SOLD) '88 924s (high school DD - Gone to a better home) |
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06-13-2016, 08:08 AM
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Marble Grey
1974 Carrera
1979 930
1980 SC Targa
