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Reshaping a Subaru Seat frame...good/bad idea? #4559436
10/30/17 04:57 PM
10/30/17 04:57 PM
Joined: Jul 2005
Posts: 2,133
New Hampsha
Blue_Goose Offline OP
Blue_Goose  Offline OP

Joined: Jul 2005
Posts: 2,133
New Hampsha
Love my Crosstrek..everything I want for practicality and fun in a car.

That being said..it has become a pita......literally

The seat frame has 2 metal humps/bumps that sit just below the surface of the leather seating surface covered only by what I consider a too thin layer of padding. After a bit of time in the saddle the bumps start to bother my thigh/lower hip bone. I want to keep the full functionality of the heated seats so a cushion is not a solution.

I recently inquired on a local FB forum for auto upholstery shops seeing if perhaps an extra layer of foam etc could be added. One of the replies was from someone who said they could do it and also said they could relocated the rod that is jabbing into my leg. I said it doesn't seem like a movable rod, more like the solid end of a seat frame/pan. He said if it is metal it can either be ground off or shaped into a form where it no long will be an issue.

This sounds great to me although I'm having thoughts on how feasible it is to alter the seat frame of a car's front seat? Does does create a safety issue or anything along those lines?


Thoughts or has anyone been in a similar situation where they have altered their driver's seat?

He quoted 200-250 to do the job which is a heck of a lot cheaper then trading the car away which will probably happen unless I resolve this issue. The new 2018 Crosstrek seats are a lot more comfortable but unfortunately they can not be swapped with a 16 due to being a different size.



2018 Honda Civic EX Hatchback 1.5T
2003 Honda Accord EX-L 2.4L 5MT
Re: Reshaping a Subaru Seat frame...good/bad idea? [Re: Blue_Goose] #4559441
10/30/17 05:09 PM
10/30/17 05:09 PM
Joined: Jul 2007
Posts: 4,451
Midwest USA
LoneRanger Offline
LoneRanger  Offline

Joined: Jul 2007
Posts: 4,451
Midwest USA
Greetings fellow HHR refugee. grin

I say give it a go, I wouldn't think it a safety compromise if it is reshaped instead of removed.



'09 Subaru Forester ...................(QS HM 5W30)
'16 Moto Guzzi Stelvio 1200 .....(ENI i-Ride PG 10W60)
Re: Reshaping a Subaru Seat frame...good/bad idea? [Re: Blue_Goose] #4559444
10/30/17 05:13 PM
10/30/17 05:13 PM
Joined: Feb 2013
Posts: 3,461
Central Virginia
Silverado12 Offline
Silverado12  Offline

Joined: Feb 2013
Posts: 3,461
Central Virginia
It sounds like you need a cushion w/extra bolstering on the sides.


12 Chevy Silverado ext. cab LS, 2WD 4.3 auto
18 Mustang GT 5.0 auto
07 Harley Dyna Street Bob 96 c.i. 6 sp.
00 Mustang GT auto
Re: Reshaping a Subaru Seat frame...good/bad idea? [Re: Blue_Goose] #4559551
10/30/17 06:54 PM
10/30/17 06:54 PM
Joined: Dec 2014
Posts: 1,686
'murica
Ethan1 Offline
Ethan1  Offline

Joined: Dec 2014
Posts: 1,686
'murica
Yes, that's a gigantic safety issue. All of the components of your vehicle's safety systems need to be intact as designed so they can work together in concert and protect you in an accident. I'd hate to see what would happen in a side airbag deployment after the seat has been modified crzy

Re: Reshaping a Subaru Seat frame...good/bad idea? [Re: Blue_Goose] #4559569
10/30/17 07:12 PM
10/30/17 07:12 PM
Joined: Jun 2003
Posts: 34,071
ME
eljefino Offline
eljefino  Offline

Joined: Jun 2003
Posts: 34,071
ME
Do it. If your butt fits the seat well that's safer than if it doesn't.

Re: Reshaping a Subaru Seat frame...good/bad idea? [Re: Blue_Goose] #4559585
10/30/17 07:24 PM
10/30/17 07:24 PM
Joined: Feb 2013
Posts: 11,342
Phoenix, AZ
Nick1994 Online content
Nick1994  Online Content

Joined: Feb 2013
Posts: 11,342
Phoenix, AZ
Go for it, life's too short to be uncomfortable, especially in such a new car.


2015 Hyundai Sonata 2.4L 92k STP Synthetic HM 10w30 & Wix
2000 Toyota Camry 2.2L 233k Mobil Super HM 10w40 & Fram Ultra
1996 Jeep Cherokee 4.0L 148k Mobil 1 HM 10w40 & Fram Ultra
Re: Reshaping a Subaru Seat frame...good/bad idea? [Re: Blue_Goose] #4559708
10/30/17 09:27 PM
10/30/17 09:27 PM
Joined: Aug 2003
Posts: 11,227
Buffalo, NY
JTK Offline
JTK  Offline

Joined: Aug 2003
Posts: 11,227
Buffalo, NY
I think I would focus more on a different type of padding with some different type of support, but if a shop is savvy with modding seat frames on today's air bag equipped cars, have at it.

I know what you mean about those two pressure points in the seat pan area. My 2014 XV Crosstrek had it too. I find the front seats to fit me better in my 2016 Forester base model.


2017 Ram 1500 4x4, 3.6L. 2016 Nissan Quest SV (Babe magnet IV)
Re: Reshaping a Subaru Seat frame...good/bad idea? [Re: Blue_Goose] #4559712
10/30/17 09:35 PM
10/30/17 09:35 PM
Joined: Jan 2009
Posts: 14,126
Illinois
tig1 Offline
tig1  Offline

Joined: Jan 2009
Posts: 14,126
Illinois
I bought a new 1990 Ford Tempo, but the seat was a little too high for me when I wore a cap. Two weeks after buying the car I took the seat out, cut 5/8 in. off all four of the steel legs, and re-connected the legs together, and welded them. Worked great for me for the seven years I owned the car.


2007 Ford Fusion 239,000 miles
M1 0-20 EP
2017 Ford Fusion 65K
M1 0-20 EP
10,000 mile OCIs on both engines
M1 ATF and Valvoline LV
M1 10-30 in all OPE
MC filters

Re: Reshaping a Subaru Seat frame...good/bad idea? [Re: Blue_Goose] #4559760
10/30/17 11:59 PM
10/30/17 11:59 PM
Joined: Feb 2007
Posts: 349
Pennsylvania
Reggaemon Offline
Reggaemon  Offline

Joined: Feb 2007
Posts: 349
Pennsylvania
I reworked the seat pan in a 2003 Sonata.
It really improve the seat comfort for me.
I'd say go for it.

Re: Reshaping a Subaru Seat frame...good/bad idea? [Re: Blue_Goose] #4559842
10/31/17 06:25 AM
10/31/17 06:25 AM
Joined: Jul 2005
Posts: 2,133
New Hampsha
Blue_Goose Offline OP
Blue_Goose  Offline OP

Joined: Jul 2005
Posts: 2,133
New Hampsha
This place is is actually an audio shop but was told that he had 100% confidence he could shape the seat so it will provide more comfort.

Seeing that the airbags are in the top half off the seat, I'm curious on how reworking the bottom pan could come into play in an air bag deployment? I ask that as a sincere question, not being flippant.

I'm almost certain that it would need to involve some cutting. It is like 2 mini mesa's poking into your legs.(JTK can attest, thank you for confirming...nobody on the Crosstrek forums will admit lol) Cutting them down and adding layers of memory foam or gel would be ideal but I guess you would have to take into account of how much room is under there and if the seat cover will fit back on. Plus I'd imagine the heating element of the seat comes into play as well.


Lone Ranger------I miss that HHR! I loved that car.....


2018 Honda Civic EX Hatchback 1.5T
2003 Honda Accord EX-L 2.4L 5MT
Re: Reshaping a Subaru Seat frame...good/bad idea? [Re: Blue_Goose] #4561638
11/01/17 09:39 PM
11/01/17 09:39 PM
Joined: Dec 2014
Posts: 1,686
'murica
Ethan1 Offline
Ethan1  Offline

Joined: Dec 2014
Posts: 1,686
'murica
Maybe the airbag is fine if you don't fiddle with the seat back. The seat cushion is just the part that weighs you, measures your location relative to the steering wheel, and attaches you to the car. Maybe the car stereo guy knows what he's doing. I'm a bit of a libertarian when it comes to car mods that literally only affect you shrug

Re: Reshaping a Subaru Seat frame...good/bad idea? [Re: Blue_Goose] #4562079
11/02/17 01:25 PM
11/02/17 01:25 PM
Joined: Jan 2004
Posts: 4,987
California
nthach Offline
nthach  Offline

Joined: Jan 2004
Posts: 4,987
California
The driver's side seat won't have the sensing mat that disables the airbag if a non-human object or someone less than 55lbs is in the passenger's seat. There is a seat position sensor in the sliding rails or the buckle's bracket that will tell the SRS controller how far you are from the steering wheel and that's about it.

You should be fine.

Re: Reshaping a Subaru Seat frame...good/bad idea? [Re: Blue_Goose] #4565089
11/05/17 05:37 PM
11/05/17 05:37 PM
Joined: Sep 2009
Posts: 16,473
OH
fdcg27 Offline
fdcg27  Offline

Joined: Sep 2009
Posts: 16,473
OH
Yet another reason to be glad that we bought a Forester I guess, which does have comfortable seats on long drives.
If the Crosstrek is really that bad, then I'd have no qualms about having someone reshape the seat pan or grind off any protuberances that poke you.
Nothing you do to the cushion is going to affect the airbags, since the side bags are located in the backrest so won't be involved.
IOW, ignore the chicken littles and get your seats fixed so that you can stand to drive the car.
Another thought is that this seat probably has a lot of adjustments available.
Could these things that are poking you be lowered merely by adjusting the rake of the seat cushion?
Many cars have this adjustment and it may be that you've got things to a point where you've reached an extreme and you could reduce or eliminate the poking by changing the adjustment of the cushion.
I know that someone messed with the driver's seat on one of our fleet Fushions and turned this normally very comfortable seat into a torture device and it took me a while to figure out how to correct this.
Just a thought.


18 Accord Hybrid FF
17 Forester 18K VME 0W-20
12 Accord LX 96K SSO 0W-20
09 Forester 95K M1HM 10W-30
01 Focus ZX3 118K PP 5W-20
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