LLY: Transmission

[Gman1965]

05 Silverado Dmax lly. Installed a catback,runs good .going up a slight grade, have it on cruise control 65.After 20 or so minutes, sounds like the tranny is revving up,then after a while goes back to normal. What gives.Any answers.

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[Awenta]

Codes? Open up the transfer case

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[Gman1965]

K thx.Drove it again same way without any issues. Yep I'll take it in to a shop.

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[hondarider552]

We're good, but were not a genie in a bottle..

 

[Mike L.]

If it was clutches or transfer case it would have coded right away. If it didn't code, it is probably TCC or control.

 

[mechman3]

Could the sound you heard been the fan kicking on and then off again?

 

[Mike L.]

Could the sound you heard been the fan kicking on and then off again?

Good call.:thumb: