vacuum at oil filler tube
vica
11-02-2013, 08:27 PM
Hi All,
I have a 2005 Bonneville with the 3.8L engine with about 92000 miles. Seems to run fine. However when I remove the oil filler cap a vacuum is present(big sucking sound), especially when the cap is first removed and the engine speed slows momentarily. Any help would be appreciated.
Vic
I have a 2005 Bonneville with the 3.8L engine with about 92000 miles. Seems to run fine. However when I remove the oil filler cap a vacuum is present(big sucking sound), especially when the cap is first removed and the engine speed slows momentarily. Any help would be appreciated.
Vic
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