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Air noise

Discussion in 'General Tundra Discussion' started by Wisconsin Tundra, Aug 9, 2018.

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Aug 9, 2018 at 5:08 AM

#1

#1
Wisconsin Tundra [OP] New Member

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Aug 7, 2018

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Patrick

Wisconsin

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2013 Tundra crewmax

So when I shut off my truck it sounds like a lot of air being released from somewhere in the motor compartment. It's done this since I bought it. Any ideas.

Wisconsin Tundra, Aug 9, 2018

#1

Aug 9, 2018 at 5:35 AM

#2

#2
Sas Humor is everywhere

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Jason

OKC, OK

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'17 SR5 CM TSS 4WD MGM 5.7 FF

Lost track after #1.

Pretty sure it's normal. There are a number of systems that vehicles have for emissions reasons that briefly run after the engine is turned off. Could be a secondary air pump helping burning off excess gasses or a fuel evaporator. I'm not sure what all our trucks have on them.

Sas, Aug 9, 2018

#2

HighDesertSurfer likes this.

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