Rusty Sills!

[revolvor]

Mine is the same year as yours. This is after Mr Grinder had a play

The way I tackled this was to cut out all the rot in the rear floor area and weld in a 50mm angle iron frame leaving a big square aperture, then I cut a piece of 25mm exterior ply to fill the hole (guess it's approx. 36 inch square without looking), bonded a thick sheet of stainless steel sheet to the underside the ply and fitted the rear seat anchors through both of them, in the angle iron frame I inserted a 20mm thick by 40mm wide self adhesive neoprene seal so it seals, attatched 3 hinges, now I can also work on the underside of the Mav from inside the car.
It is held down by a approx 6inch x 40inch steel plate with two holes each side that bolts down to the two holes either side the floor as shown above, when it's tightened down it compresses stainless steel faced ply board into the the neoprene seal.

Hope this makes sense ?

 

[clivvy]

I think I remember you doing a bit of an article on this?:thumbs

 

[bry]

Failed the test because of a speck of rust on the sill so i gave it a tap with a screwdriver and ... well.... i'll let the pic speak for itself!

If anyone has any experience with this maybe they could share how big or small of a problem this is and the best way to go about repairing the dreaded rust! Maybe I can fix the dent in the passenger side rear door above the rusty sill while im at it!

Cheers!

About the same size of the hole in my T2.Cost me £40,and treated.Hard to tell its been done.I aint got a welder.

 

[elty001]

Or you could fibreglass it like Jeff did mine. Double layer and aluminium mesh. Strong as a strong thing :thumb2

I wouldn't like to be sat in the back of that in an accident or the front for that matter.if its gone close to the body mounts/seat belt housings its an mot fail and that my friend is an epic fail.

 

[rustic]

I wouldn't like to be sat in the back of that in an accident or the front for that matter.if its gone close to the body mounts/seat belt housings its an mot fail and that my friend is an epic fail.

I agree, what would concern me, is that the rear seat belts are attached to the rear seats, so each loop that the rear seats clips onto, has to in effect be capable of lifting the vehicle up, which in an accident could amount to over a tonne of force if 3 people are sitting in the back, heaven help those poor people in the front too.

If you are relying on the fibre glass to give structural support forget it, if you are using it only as a van, then fair enough, you can then only injure those in the front.:doh

If I was doing this repair, I couldn't sleep at night, knowing that people could be seriously injured or killed should the vehicle be involved in an accident.
Please tell us that a lot of steel has been added and correctly welded in.

 

[briggie]

what about the old " plastic pigs " ...... the robin reliant , those where fibreglass weren't they ? ..... how did they attach the seat belts ?

 

[rustic]

what about the old " plastic pigs " ...... the robin reliant , those where fibreglass weren't they ? ..... how did they attach the seat belts ?

They didn't have seat belts on the early ones.:nenau
My Parents had a reliant regal, with the reverse gear blanked off, as in his early days he only had a motorbike licence.

If they had seat belts, they would be fit for purpose, and would have met the safety standards at the time.

 

[firebobby]

what about the old " plastic pigs " ...... the robin reliant , those where fibreglass weren't they ? ..... how did they attach the seat belts ?

I think they were fitted to the chassis/frame Pete

 

[AD Ent]

ffs you lot get a lot of info from 1 pic.

 

[R1cho]

why wouldn't you get it welded ?

 

[elty001]

ffs you lot get a lot of info from 1 pic.

Just looking at the picture you can't see what,if any welding has been done in tha areas that need to be strong and metal.
I won't even use fibre glass on an exterior panel.weld and lead fill if possible.
If too far gone replace it.
I had to do a similar repair in the back of mine and all was replaced with 1.5 mm
Steel.was a pain to do and very time consuming but I know it's strong and made of metal just as nissan intended.
Not trying to offend you just a safety thing.my mrs has 6 kids in the car a lot of the time and I wouldn't be able to forgive myself if anything ever happened and it was a result of me cutting corners.:thumb2

 

[larson]

as i said before i would be devastated to pull carpets back and see that in my bus..

it also cause's another problem of what do you do if/when there is more rot as you cant weld to the fiberglass so it has to have more fiberglass..

 

[melissachels]

I'm doing it right & just building a new body! :sly

 

[glanrichbex]

Just looking at the picture you can't see what,if any welding has been done in tha areas that need to be strong and metal.
I won't even use fibre glass on an exterior panel.weld and lead fill if possible.
If too far gone replace it.
I had to do a similar repair in the back of mine and all was replaced with 1.5 mm
Steel.was a pain to do and very time consuming but I know it's strong and made of metal just as nissan intended.
Not trying to offend you just a safety thing.my mrs has 6 kids in the car a lot of the time and I wouldn't be able to forgive myself if anything ever happened and it was a result of me cutting corners.:thumb2

I would tend to agree - fibreglass has its uses but not here - especially as the rear seat supports and catches are part of the floor.
I was also one of you who rapidly breathed in 100 litres of air in one breath when I pulled back the carpet to see that my Terrano resembled a glass bottomed boat without the glass

I paid £207 last year to have 7 large holes cut out and plated and now I've paid £312 to have more holes cut and plated and new cab mounts fabricated and welded in left and right of the rear seats. I have managed to get another years MOT on the thing but the guy at the welding shop didn't have to give too many hints to say that she's on borrowed time

 

[R1cho]

I would tend to agree - fibreglass has its uses but not here - especially as the rear seat supports and catches are part of the floor.
I was also one of you who rapidly breathed in 100 litres of air in one breath when I pulled back the carpet to see that my Terrano resembled a glass bottomed boat without the glass

I paid £207 last year to have 7 large holes cut out and plated and now I've paid £312 to have more holes cut and plated and new cab mounts fabricated and welded in left and right of the rear seats. I have managed to get another years MOT on the thing but the guy at the welding shop didn't have to give too many hints to say that she's on borrowed time

i'm sure we can fix her up where in wales are you?

 

[glanrichbex]

i'm sure we can fix her up where in wales are you?

I'm in Pembrokeshire Haverfordwest.

The guy who does my welding recons it's been in the sea - this may have been the case before I had it. Unfortunately I do use it for launching dive boats and I carry salty dive gear in the boot. :doh

I've made concious efforts not to let the back end of her touch the salt water whilst launching the boat but the reality is that the salt / air / spray and wet carpet is not helping the problem. I regularly spray her underneath with waste oil which seems to have slowed the tin worm down over the last few years but i am really losing the battle and she's starting to go everywhere now. Its W year 2000 and I paid £1,800 for her 4 years ago - it's had a recon gearbox, new brakes and shocks so it hasn't really done that bad.

 

[AD Ent]

I'm in Pspentembrokeshire Haverfordwest.

The guy who does my welding recons it's been in the sea - this may have been the case before I had it. Unfortunately I do use it for launching dive boats and I carry salty dive gear in the boot. :doh

I've made concious efforts not to let the back end of her touch the salt water whilst launching the boat but the reality is that the salt / air / spray and wet carpet is not helping the problem. I regularly spray her underneath with waste oil which seems to have slowed the tin worm down over the last few years but i am really losing the battle and she's starting to go everywhere now. Its W year 2000 and I paid £1,800 for her 4 years ago - it's had a recon gearbox, new brakes and shocks so it hasn't really done that bad.

Sounds like mine. Think mine has spent more time in the water than James Bond's lotus It wouldn't have been a problem if they'd have blasted underneath with the jet wash and Waxoyl'd it

 

[R1cho]

I'm in Pembrokeshire Haverfordwest.

The guy who does my welding recons it's been in the sea - this may have been the case before I had it. Unfortunately I do use it for launching dive boats and I carry salty dive gear in the boot. :doh

I've made concious efforts not to let the back end of her touch the salt water whilst launching the boat but the reality is that the salt / air / spray and wet carpet is not helping the problem. I regularly spray her underneath with waste oil which seems to have slowed the tin worm down over the last few years but i am really losing the battle and she's starting to go everywhere now. Its W year 2000 and I paid £1,800 for her 4 years ago - it's had a recon gearbox, new brakes and shocks so it hasn't really done that bad.

ahh right, you're only an hrs drive from me, any more welding needs doing give us a shout i bet we can get it done alot cheaper than you have in the past :thumbs