How do i go about fixing this problem and how common is it??

as in its sagged inwards? or you broke the seat from the rails?

it has sagged down and it's like sittin in a bucket seat and it's a little annoying because i can hardly see over the steering wheel unless i sit up on the edge of the seat

Sounds like the internals have collapsed.

 

Later model corollas use a rubber/fabric strap to hold the base of the seat up, might be the same in the older ones too?

 

Pull the seat out, flip it over and have a gander, usually if its broken a support you will see it.

 

If it doesnt have that sort of support, then Id just take it to a trimmer and get them to re-pack the seat base (remove the cover and replace the foam packing)

cheers bud that gives me something to do on it now lol i have just covered it with a snap on seat cover so it kinda looks like there is nothin wrong with it till you sit in it lol

the seat base has sagged it has broken the rubber support undernieth the foam in the seat is there anything i can do to put under the foam to make it more solid?? :P

Hey mate, you could try by putting a bit of timber in it for now, just a small board but i'd head to a wreckers and pick up another seat swab as they're known.

 

You can pick them up out of the ke70's, ae71's & also ae82's & maybe more but that's just off the top of my head.

 

Then just swap them over & you should be all sweet.

 

Hope it helps you out mate.

 

Tom

cheers bud