Probably one of the biggest PITA's 
'75 brake booster removal?
Safety Car
Joined: Mar 2009
Posts: 3,558
Likes: 4
From: Oakland California
You have to remove four nuts inside the car behind the firewall. It's a PITA, but it can be done. Get a long extension and one of those flexible joints for the sockets. It's a tight space, so you need to be patient.
Drifting
Joined: Sep 2006
Posts: 1,986
Likes: 21
From: Columbus MN
Try the Advanced Search on the C3 Tech forum. There have been several threads on the subject that include details and pictures of the ratchet-extension-ujoint combo commonly used. Definitely remove the drivers seat so you can lie on your back with your feet in the storage area.
Banned Scam/Spammer
Joined: Jul 2007
Posts: 518
Likes: 0
From: Oldsmar FL
I removed mine on my '79 a couple of weeks ago, have the dash, seats and steering column out and it was very difficult to get all of those nuts off, big time PITA!
I had an extra nut on the lower right bolt that was holding up a wire harness. When I couldn't get the booster off I finally discovered the extra nut.
I had an extra nut on the lower right bolt that was holding up a wire harness. When I couldn't get the booster off I finally discovered the extra nut.
Instructor
Joined: May 2005
Posts: 200
Likes: 4
From: Richmond Virginia
I replaced that when redoing my brake system. I didn't remove anything extra to get it out. For me, it required a frankenstein socket wrench assembly, and me sitting upsidedown in the driver's seat, t-tops removed, with my feet out above the roof. Then, it's just a lot of tiny, tiny turns of the socket wrench (1 click at a time at one point) to get them out. It's only 4 nuts, but it takes patience. Once it's out, slip it off, new one on, then back into position to get the nuts back on the new booster. Have fun 
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