Slightly off topic, but I had terrible valve stem seal leaks in my ‘02 v70xc. It would smoke pretty bad on acceleration after idle. Used ATP AT-205 reseal. It’s an additive that softens up the rubber seals. And it 100% fixed my problems.
Reviews of ATP valve stem seal
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3 votes
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1 review
Description
ATP
Italy
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What we know about ATP valve stem seal
The brand is registered in Italy.
In March 2026, PartReview does not yet have a formed opinion of ATP valve stem seal. You can help by adding a review for ATP valve stem seal.
Currently there are 1 review and 3 votes. Average rating — 5 out of 5. Vote balance: 3 up, 0 down.
Users also evaluated the qualities of ATP valve stem seal:
- Smoke - blue smoke on startup or after idling, typical of oil burning - rated positively. 5 points out of 5.
- Smell - burning oil odor from the exhaust, unpleasant and unhealthy - no rating yet
- Oily residue - oily soot at the tailpipe tip, hinting at oil burning - no rating yet
Valve stem seal ATP in car-specific ratings
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