TOTAL MC3 5W30 04WISH 6250km 機油檢驗 - 汽車
By Noah
at 2022-05-01T19:56
at 2022-05-01T19:56
Table of Contents
TOTAL MC3 5W30 04WISH 6250km 機油檢驗/機油檢測
機油化驗報告:
https://imgur.com/XAatIN2
機油: TOTAL QUARTZ INEO MC3 5W-30
API SN PLUS、ACEA C3、MB229.52、BMW LL-04、全合成(API Group III)、歐洲製
汽車: 2004 TOYOTA WISH 2.0 ANE12L 空重1430KG
引擎: TOYOTA 1AZ-FE, 1998cc, 136PS/6000rpm
變速箱: TOYOTA U241E 4速自排
洩油時汽車里程: 191900 km
機油使用里程: 6250 km
機油使用時數: 180 小時 (估計值)
總共消耗的汽油: 625 L (估計值)
機油使用期間: 2021/12-2022/4
機油濾芯: Mobil 1 M1-103A Extended Performance
(長效機油芯, 標示 20000 miles)
空氣濾芯: 原廠17801-0D050
機油使用環境溫度: +12 至 +30C
駕駛狀態: 60%雙北市區長途(常在高架塞車), 40%國道, 含怠速平均 35 km/h (估計值), 市區從未踩超過2000rpm, 國道及山路從未踩超過3000rpm
汽油: 只加山隆95(中油)
熱車: 15秒
吃機油: 沒有吃機油
補機油: 沒有補機油
交換量: 4000mL (有換濾芯、接近油尺上限3mm)
總量: 使用手冊沒寫
取樣方法 : 卸油後3秒,用罐子接大約100mL
清洗劑: 沒有使用
之前用過的機油:
Mobil Super 5000 5W30 167,900-173,400KM 機油檢驗報告:
https://www.ptt.cc/bbs/car/M.1619609111.A.AA2.html
Mobil 1 EP 5W30 173,400-181,000KM 機油檢驗報告:
https://www.ptt.cc/bbs/car/M.1636177185.A.545.html
Mobil Special 10W30 181,000-185,650KM
TOTAL MC3 5W30 185,650-191,900KM [本次檢驗]
個人意見:
1.
從新車開到現在,沒過戶轉手過,引擎本體換過一次缸蓋墊片,其他沒維修過。
2.
原廠手冊機油標準更換里程10000KM,常低速行駛時須5000KM更換。
3.
本次使用 Mobil 1 M1-103A 長效機油濾心,濾心標示可使用 20000 miles,用來觀察長效機油濾心搭配部份機油銷售商宣稱的"長效機油"的效果。
4.
100C黏度從新油的12cSt增加至13.2cSt,SAE黏度從5W30增加至5W40,顯示機油有過度氧化,應立即換油。
5.
一般情況下,舊油100C黏度因黏指劑少部份失效,應該較新油稍微降低,而非升高。
6.
鉛(Pb)檢測磨耗量,從以前的<1ppm(或未檢出),增加到12ppm。
7.
鉛磨耗量增加,可能是因機油過度氧化,稍微腐蝕軸承;也有可能是軸承剛好開始不正常磨損,但是機率較低,因為有機油過度氧化的證據,需下次檢驗來確認。
8.
造成非酯類機油過度氧化的原因,可能是機油運作溫度過高,但連續觀察OBD水溫、節溫器及風扇運作一切正常、也從未飆車,因此這裡較可能是整個機油的抗氧化能力太差,或是機油內的抗氧化劑因某個未知原因未正確發生作用。
9.
舊油TBN剩3.8mgKOH/g(ASTM D4739),略高於換油標準[以3.0mgKOH/g(ASTM D4739)為更換標準]。
10.
單以上述TBN更換標準、且其他條件相同,換油里程預估為8100KM,但這裡有過度氧化,因此綜合考量,正確的換油里程應遠低於6250KM。
11.
無冷卻水洩露。
12.
機油購自油夠便宜,水貨,有對應LSPI的鈣+鎂清淨劑,可間接推測為真油。
13.
Mobil 1 M1-103A長效濾心直接購自美國amazon,應可確保是真品。
ALS Tribology使用的檢驗方法:
元素ASTM D5185、黏度ASTM D445、水含量ASTM E203、總鹼值ASTM D4739。
機油瓶照片:
https://imgur.com/KIP9rQb
https://imgur.com/1yYmgVS
https://imgur.com/oWzZLmN
長效機油芯照片:
https://imgur.com/O2VeiH9
https://imgur.com/SQ4hw7O
https://imgur.com/jahDGwQ
https://imgur.com/wvPBn6y
https://imgur.com/necoaaM
https://imgur.com/gndqtlj
https://imgur.com/SrUedUj
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