When i start her up the engine rattles for two seconds. at first i thought oil lift it def sounds bottom end.
May 19, 2019 at 7:44 AM
Engine rattles at start up from cold
1971 SAAB 99
MR.ANDREWLANCASTER
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If the sound goes away, confirm the oil is clean, full, and not mixing with anything. Next, a lower end noise is more of a knock and not a rattle. Does the sound ever happen after you have been driving? Also, what brand oil filter are you using and what weight oil? Are you located in a hot or cold climate?
Here is a link that discusses common things which can cause a rattle. Your vehicle is older so some will not apply, but there are things that do.
https://www.2carpros.com/articles/rattle-noise
Let me know.
Take care,
Joe
If the sound goes away, confirm the oil is clean, full, and not mixing with anything. Next, a lower end noise is more of a knock and not a rattle. Does the sound ever happen after you have been driving? Also, what brand oil filter are you using and what weight oil? Are you located in a hot or cold climate?
Here is a link that discusses common things which can cause a rattle. Your vehicle is older so some will not apply, but there are things that do.
https://www.2carpros.com/articles/rattle-noise
Let me know.
Take care,
Joe
May 19, 2019 at 7:30 PM