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I cannot be absolutely definite about wether it works, but first impressions are very good. I think my oil usage may be less but until I get some mileage on my classic vehicle I cannot be sure. I bought this product because the vehicle had only a small mileage since the engine had been rebuilt it had only done a very minimal miles in thirteen years and I thought maybe the valve stem seals may have have become hardened and I thought that this product was at least worth a try. Nothing gained nothing ventured !!. Hope this review is helpful.
Verified purchase: Yes | Condition: New
Diff seals were leaking on my bmw e46 convertible. Adding one tube of this cured problem saving expensive garage costs !
Verified purchase: Yes | Condition: New
Verified purchase: Yes | Condition: New
It did not work and the seal was recently replaced so it should work.
Verified purchase: Yes | Condition: New
👍👍👍👍👍👍
Verified purchase: Yes | Condition: New