My Viggen sounds like a helicopter! - Saab NG900 & OG9-3 Bulletin Board - Saabnet.com
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My Viggen sounds like a helicopter!
Posted by Saab Story [Email] (more from Saab Story) on Fri, 16 Oct 2015 12:11:29
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2000 Viggen / 135k miles / Mobil 1 5-20 / Recent pan drop and clean due to suspected sludge - None found / Low oil pressure sensor probably bad.
Upon sharp acceleration, my Viggen's engine began a very loud lifter-ish noise. It is so loud that it is embarrassing to drive.
I added some Z-Max lubricant to the oil and while still loud, it does seem a bit better.
Power-wise, there is some hesitation, but generally the power seems to be there and the gas mileage remains good. I have noticed some exhaust coming from under the hood, so I'm hopeful that the noise is something that is more exhaust related than lifter related.
Probably a coincidence, but a few days later, the Time for Service light came on.
I like doing my own work on the car. So, what should I be checking first this weekend?
Sounds like a helicopter, 69' VW Bug, or Harley-Davidson.
posted by 208.87.15...
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