Getting smell out of vintage seats? | FerrariChat

Getting smell out of vintage seats?

Discussion in 'Technical Q&A' started by NGTTwo, Sep 23, 2025 at 5:32 PM.

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  1. NGTTwo

    NGTTwo Rookie

    Sep 16, 2025
    5
    Northeast
    Full Name:
    Basel Basel
    Looking to restore a set of vehicle seats but they have a 40-50 year old smell to them, hard to describe, between worn, slightly mildewy, old leather, etc...

    Would want to check leatherique or equivalent leather re-dying and rejuvenation techniques before they are torn down completely but I'd like to start by getting the smell out.

    Any thoughts, ideas, links?

    Thank you!
     
  2. stasha

    stasha Karting

    Sep 10, 2021
    130
    Full Name:
    steve steve
    Ozonator!
    I had a smell problem with my 15 Hudson recently when going up for sale -- musty, damp, old smell. Since I have 6 project cars and smells bee's a problem with all of them eventually, I bought an ozonator off Amazon (under $60) and let it run a 20 minute cycle for each of two days.
    Works great in enclosed areas -- kind of a neutral smell.
    But note, this only works on surface accessible to the zone (i.e., topical mist application) -- deep cleaning is more iffy (depends on the porosity of the material -- which in the case of my Hudson seats, were pretty porous).

    Also beware, ozone can kill you -- hence the "Danger" warning card that comes with the unit. Ozone exposure won't drop you dead, but prolonged breathing is poisonous.
     
    NGTTwo likes this.
  3. NGTTwo

    NGTTwo Rookie

    Sep 16, 2025
    5
    Northeast
    Full Name:
    Basel Basel
    Does the ozone machine damage the leather? Should it be conditioned after or protected in any way?
     
  4. stasha

    stasha Karting

    Sep 10, 2021
    130
    Full Name:
    steve steve
    I have read that long-term ozone exposure will damage plastics, vinyl and leather. But the words were "long term ozone exposure".
    I dont want to be the one to tell you that "vaccines are always safe" if you get my analogy.
     
  5. johnk...

    johnk... F1 World Champ
    Owner

    Jun 11, 2004
    11,280
    CT
    Full Name:
    John Kreskovsky
    I have the same problem with my 85 308. I have used many products and an ozone generator several time. The ozone did not damage anything.The smell was abated but returns in a short time. I've been unable to eliminate the order permanently.
     
  6. jimmyr

    jimmyr Formula Junior

    Oct 10, 2004
    345
    Scottsdale, AZ
    Full Name:
    Jim
    Have noticed one item you did not mention and that is the foam rubber in the seats. You can usually see yellow powder from the foam under the seat and it has a bad smell.
     
  7. dm_n_stuff

    dm_n_stuff Four Time F1 World Champ
    Lifetime Rossa Owner

    Dec 10, 2003
    43,907
    26.806311,-81.755805
    Full Name:
    Dave M.
    I have had some luck with this . . .

    Image Unavailable, Please Login

    Spray under seats on the old foam, there's a good chance that's where a lot of the smell is coming from. Of course, best solution is to clean the leather then replace the old foam.

    I've used this stuff in vents, on door panels, etc., sometimes it really gets the job done, sometimes not so much. YMMV - can be purchased at almost any car parts place, autozone, Advance Auto, etc.

    D
     
  8. dm_n_stuff

    dm_n_stuff Four Time F1 World Champ
    Lifetime Rossa Owner

    Dec 10, 2003
    43,907
    26.806311,-81.755805
    Full Name:
    Dave M.
  9. spirot

    spirot F1 World Champ

    Dec 12, 2005
    15,191
    Atlanta
    Full Name:
    Tom Spiro
    I have used an Ozone generator with pretty good results, I had to do it 3 times on one car where the window was cracked and water got in during a storm, and it got mildew on the carpets. I cleaned all the carpets and then set the Ozone generator in the car for 14 hours... and closed it up. Then I aired out the car - put the AC on Max recirculate and let the Generator run for 1 hour again with the AC on to kill any mold spores in the AC vents etc... that really helped. Not sure I'd do that in a Ferrari, but this was my company car... I let the car idle with the A/C on in my drive.... The damp rid kind of works ok, but if you are in a very humid climate it pulls all moisture not just what is causing the smell.
     

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