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Old 12-12-2008, 12:48 AM   #1 (permalink)
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Date registered: Sep 2004
Vehicle: 1985 500SEC, 1991 190E 2.6, bought 07/08 with 50k original miles.
Location: Los Angeles / Hannover Germany
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Transmission or torque converter noise?

When the transmission shifts form first to second, I get after a slight delay, for a half to one second or so groaning / resonance like noise.
Its more pronounced and noticeable when the engine/tranny are cold.
Could it be the torque converter?
Has anyone here experienced this?
Recently changed the filter, transmission, and torque converter fluid to fully synthetic dextron VI.
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Old 12-12-2008, 04:32 AM   #2 (permalink)
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Date registered: Jan 2007
Vehicle: 93 190E 2.3, 94 E320 (sold), 01 E320
Location: NJ, USA
Posts: 2,986
Check your fluid level. I had the same groaning noise in Reverse after a fluid and filter change and it was because of low fluid level.
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