Chevy and GMC Duramax Diesel Forum - View Single Post - noise after turning off engine
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post #3 of (permalink) Old 11-10-2019, 02:47 PM
paauto
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Join Date: Apr 2017
Location: Pittsburgh
Posts: 79
Mine makes a terrible noise as well when I shut it down - it's my wife!!

2017 GMC Denali HD Duramax - Deep Garnet Metallic Exterior, Cocoa/Dark Sand Interior

Kryptonite Front End Leveling Kit (UCA, Center Link, Tie Rods, Idler, Idler Arm, Idler Bracket, Pitman Arm), Fox Shocks, Bilstein Steering Stabilizer, Front Diff Drop, 20" Fuel Sledge Wheels w/ BFG T/A KO2 285/65s, 2" McGaughy's Drop Shackles, Amsoil Dual Bypass Oil Filters, MBRP Stainless Exhaust, Revolver X2 Tonneau, Morimoto XB LED Fogs, Custom Grille, Wolo Air Horns to Replace Factory Horns, Kleinn Train Horns w/ On-Board Compressor, Edge CTS2, Rostra Heated Rear Seats, Aluminum Liquid Pedals, Mag HyTec Rear Diff Cover, Clear Bra 18", Front Doors Tinted 20%/All Other Windows & Sunroof Tinted 40%, IntelliHaul mirror cameras and front cam.
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