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I just bought a set os sparco siena's for my '03 civic coupe LX, i'm wondering what i need to install them and how, can seem to findany DIY's on it anywhere thanks.

 
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i've got a MOMO start seat in mine. you have to build/order a seat base.

it took me 8 months to get mine.

sparco does make one.

highly suggest getting a base and not using your factory seat rails cause the welds don't adhere to them worth a crap.

 
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as for installing them, there are 4 14mm bolts holding your seat on.

unbolt them.

unlpug the yellow harness under the seat. this is your SRS and seatbelt sensors. you will have an airbag light no matter what.

then, bolt in your new seat using the factory bolts.

there are 2 19mm or so bolts behind both the driver/pass. seats that make great bolt downs for a harness.

i bolted my harness down using those 19mm and the front bolts of the seat. works great.

 
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well what i'm reallllly tryna find out is about how the sliders attach to the seats, then the brackets attach to the sliders and then the brackets will sit perfectly where my stock ones are, is that how it works ? and how do i have to attach all of them, i on't have the sliders or brackets yet so i'm trying to prepare lol thanks

 
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is it a side mount seat or a bottom mount?

 
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i ahve no clue, i was just assuming i could either bolt my brackets from my oem seats onto the sparcos, or bolt the brackets to the sliders to the seats, or am i going to have to weld no matter what?

 
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i'm assuming bottom mount

 
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ok, from what i can see from sparco's website is that it is a bottom mount.

the "sliders" bolt straight up to the bottom of the seat.

then the "brackets" bolt to the "sliders".

then you bolt it into the car.

BAM!

 
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your OEM brackets won't work unless you want to weld.

trust me, its a pain in the ***.

 
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the bracket that sparco carries is non sliding.

there might be one out that does slide though.

no OEM stuff will work with your Sparco seats.

 
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aww thats gonna be killer, my luck nothing will line up haha, i hate welding when i installed my air ride i ended up cutting off one of the rear strut brackets it took me like 2 hours to weld a washer on it lol

 
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just get the brackets from sparco. its easier.

 
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sorry man but i got one more question, how am i supposed to keep my seat belt because the button thing is attached to the oem seat bracket

 
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i just got a racing harness. there was a spot for it though

 
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so theres a spot on the sparco brackets tomount it?

 
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ya. you just gotta get a bolt for the backside of it.

 
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yes brackets should come with two holes for the seat belt, one thats threaded for the bolt, another because there is this tab on the buckle bracket that will fit in there. but YES it should if you are getting sparco. you'll see, good luck

 
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ya. either you have to thread it or put a bolt on the backside

 
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awesome thanks a lot guys

 
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no problem. good luck and post pics when you're done.