총 비용
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공임
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부품비
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소요 시간
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2026. 8. 12. 작업
난이도 & 준비물
증상
1999 아우디 A4에서 주행 후 정차했을 때 타는 냄새가 났으며, 야간에 헤드라이트 앞쪽에서 희미한 하얀 연기가 나오는 것을 확인. 최근 A/C 냉각 성능 저하, 한 달 전 냉각수 부족, 체크 엔진 라이트 점등, 저전압 경고 발생. 정비소에서 누유 확인 못함.
처리 내용
밸브 커버 가스켓 누유 의심. 새어나온 유체가 배기 매니폴드 또는 헤더에 도달하여 고온에서 연소/증발하면서 흰 연기와 타는 냄새 발생. 엔진 위쪽(톱마운트)의 누유 확인 필요. 기존 정비소에서 차량을 올려 밑부분만 검사했을 경우 위쪽 누유를 놓쳤을 수 있음. 타는 냄새가 플라스틱 타는 냄새라면 엔진 오일 누유 가능성 높음. 밸브 커버 가스켓 교체 검토.
출처
이 사례는 Stack Exchange (미국)에서 수집한 데이터입니다.
신뢰도 4.1점(높음) — 출처 소스의 전문성/검증구조를 기준으로 산정된 점수이며, 정확성을 보장하지 않습니다.
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메르세데스-벤츠 C클래스
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