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Registered
2005 STS
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193 Posts
Discussion Starter #1
Hi All,

I have STS 3.6 20005.
From last few days i have observed increased RPM. e.g. before at 70MPH RPM 2200 but now its 2400^2500.
I also feel the drive is not that smooth, feeling like something reducing the power.

Thanks,
 

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Registered
'05 STS4
Joined
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668 Posts
Sorry, TC = Torque Converter.

To eliminate the "slip" in the hydraulic coupling, the TC contains a set of clutches that Lock 100% when at hiway speeds (usually something like 40mph+ in high gear). That slip being eliminated can sometimes "feel" like a shift and a corresponding drop in rpm.
 
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