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 Seat runner woe 
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Firing on two.
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Joined: January 24th, 2010, 12:22 am
Posts: 386
Location: Buckinghoonshire
Post Seat runner woe
2CV has suffered a minor setback.

After complaints from passenger of a moving passenger seat, I took a look and the front bolt that fixes the outer runner has sheared off flush with the floor.

The bolt screws into a the box section on the floor pan so is going to be a swine to sortout.

Has anyone got any advice? What type of bolt is it? Is it M7? Has anyone sucessfully removed one of these?

Cheers

Matt

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March 28th, 2012, 11:38 pm
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Aircooled Idiot
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Joined: April 24th, 2010, 10:01 am
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Post Re: Seat runner woe
I think they visabally poke through the floor. Iirc and they do then put two nuts on and wind out

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March 28th, 2012, 11:44 pm
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Agony Aunt - You have a car problem? Speak to Ken

Joined: March 6th, 2009, 1:40 am
Posts: 3675
Post Re: Seat runner woe
Matt,
M7, into a captive nut welded just below floor level.

If you have a look, there's another hole in the runner, just behind the front one.
Drill down through the top hat section below and fit a longer bolt (40mm?) with a
spreader washer on the bottom end, until you get hold of an M6 drill and M7 tap
to try and reclaim the original thread.

ken


baron_matt wrote:
2CV has suffered a minor setback.

After complaints from passenger of a moving passenger seat, I took a look and the front bolt that fixes the outer runner has sheared off flush with the floor.

The bolt screws into a the box section on the floor pan so is going to be a swine to sortout.

Has anyone got any advice? What type of bolt is it? Is it M7? Has anyone sucessfully removed one of these?

Cheers

Matt

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March 28th, 2012, 11:46 pm
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Firing on two.
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Joined: November 29th, 2008, 10:05 pm
Posts: 9259
Location: West Sussex, U.K.
Post Re: Seat runner woe
It should be M7. Usual choices really, if you can, centre dot the middle of the broken stud, drill it 3mm, then 6mm (i think) then re tap the hole., or use an e-z out or similar. I'm a big fan of using heat on rusted broken studs.

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March 28th, 2012, 11:49 pm
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Firing on two.
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Joined: January 24th, 2010, 12:22 am
Posts: 386
Location: Buckinghoonshire
Post Re: Seat runner woe
Cool I'll try and drill it out this weekend.

Does anyone have a couple of spare M7's I could have for beer tokens?

looking at the bolt it looks quite rusted in there so lucky me is victim of a member of the too tight for copperslip brigade.

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1973 Ami 8 Club
1977 2CV6 Belgian built RHD blue


March 29th, 2012, 12:09 am
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Agony Aunt - You have a car problem? Speak to Ken

Joined: March 6th, 2009, 1:40 am
Posts: 3675
Post Re: Seat runner woe
Matt,
a common or garden M8 will be OK for the through bolt ( as long as you don't go to B&Q to buy it).

ken


baron_matt wrote:
Cool I'll try and drill it out this weekend.

Does anyone have a couple of spare M7's I could have for beer tokens?

looking at the bolt it looks quite rusted in there so lucky me is victim of a member of the too tight for copperslip brigade.

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March 29th, 2012, 12:30 am
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