GM V6 NOISY ENGINE
I have a 1997 Lumina with a V6 3.1 liter engine.
On startup the engine will be quiet, after 30-40
seconds it become noisy and this will last about 60
seconds and the quiet again. No loss of power or
decrease in gas mileage. Oil and filter changed
every 3000 miles. Is this common with the GM V6?
On startup the engine will be quiet, after 30-40
seconds it become noisy and this will last about 60
seconds and the quiet again. No loss of power or
decrease in gas mileage. Oil and filter changed
every 3000 miles. Is this common with the GM V6?
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Comments
I'd be using a 5w-30 and a filter with a anti-drainback valve (such as AC-Delco). It does sound like a hydraulic lifter noise.
Check the oil level, too, obviously on level ground, warm, waiting a minute or so after shutting down the engine to get the oil back in the crankcase. Sometimes an oil level that is too high can cause the lifter clatter.