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5.0L V8 Technical Discussions Any questions about the 'Coyote' engine, transmission, exhaust, tuners/CAI, or gearing can be asked here!

2012 coyote engine noise

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Old 07-21-2014, 05:49 PM   #11
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Join Date: Apr 2012
Vehicle: 2012 Mustang GT
Location: CA
Posts: 62

My 5.0 quieted down quite a bit after changing to 5W30 M1 oil.

Custom ordered 2012 Mustang GT Premium, Kona Blue, 3.73 rear, Over the Top White Stripe and Optional 18" Polished Wheels. Built on Jan 4th, 2012.
Added: 2013GT Splash Guards, Ford GT Strut Tower Brace, MGW Shifter, Raxiom Smoked Aero Tail Lights,Moroso Air/Oil Separator, J&M Extreme Joint Rear Lower Control Arms, Infinity Reference 8602cfx speakers (x4), Bilstein HD's on all four corners.
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Old 07-22-2014, 09:18 PM   #12
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Join Date: Oct 2006
Vehicle: 2011 GT Brembo Package
Location: MO
Posts: 3,232

Mine has always done it.. im not convinced it is coming from the engine.. go back and forth between thinking it is the transmission or engine.. Either way.. this car likes to be warmed up a bit, and can get especially cranky when the weather is cold. On hot days, it only takes a few minutes (like a block or two) for things to smooth out. My moving parts have the same problem, so I figure the car and I are a little alike

Regarding the Focus DC transmission.. what a piece of shi#!!! Had one for a rental and thought the transmission was gone.. then read how it is "normal"... I like how Ford likes to say something is a "normal characteristic"..... as if being broken is normal.. even if it is a characteristic in all the Focus transmissions. Sure, if they all have a design flaw.. it is technically a "characteristic" if that part.. but using the word normal is lawyer speak for sure.
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Old 07-27-2014, 01:22 PM   #13
Join Date: Sep 2012
Vehicle: 2012 Ford Mustang GT
Location: OH
Posts: 5

Switch to Royal Purple HPS. Made my 12' 5.0 run smoother & more quiet at idle. Much less ticking & clicking from engine bay, especially on bottom passenger side.
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Old 07-27-2014, 01:22 PM
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