Hi there. I have a 2010 Silverado, 5.3 w/ 6 speed and 3.08 rearend. I noticed when cruising, 40-50mph, I can hear a slight tick/lugging noise in the exhaust, mainly ...

alkaspeltzar · by **alkaspeltzar** [OP] » Apr 04 2011, 12:15am

Hi there. I have a 2010 Silverado, 5.3 w/ 6 speed and 3.08 rearend.

I noticed when cruising, 40-50mph, I can hear a slight tick/lugging noise in the exhaust, mainly on the drivers side near the floor boards.

Is this normal? Anyone with a similar truck heard this?

I am curious if since it is becuase the engine at that speed has such low rpm and is lugging

PLEASE HELP....I hope this is not an exhause manifold leak.

Thanks in Advance

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StarsnBars · by **StarsnBars** » Apr 04 2011, 12:24am

Stock exhaust ? Sounds like its just the 4 cyl. economy mode noise. The slight tick is kinda a head scratcher.

alkaspeltzar · by **alkaspeltzar** [OP] » Apr 04 2011, 1:26am

Yeah, it is a stock exhaust.

The sounds reminds me of blow-by or something like it. It is hard to explain, but it can only be heard on the drivers side.
Why is that?

With the V4 mode, should it be heard equally, why more there? I did try have someone else drive, I hear it still on the left hand side

EKinMN · by **EKinMN** » Apr 04 2011, 3:57am

Mine does it too, and I think it's related to the V4 mode. I don't think it's an issue.

Hi there. I have a 2010 Silverado, 5.3 w/ 6 speed and 3.08 rearend. I noticed when cruising, 40-50mph, I can hear a slight tick/lugging noise in the exhaust, mainly ...

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