I had the rattle noise at cold start up for 4-5 seconds. I am 90% sure it was the common timing chain not getting oil pressure at start up issue. I added valve medic engine cleaner and the noise went away!!!!
2007 Nissan Titan - Hard wired Escort 8500 X50 | "Rigid" LED pod lights
2006 Honda 919 - Dual Yoshimura slip on exhaust | Homelink | RAM X-Grip mount with charger
1994 Jeep Grand Cherokee - OD Green | Rough Country Long arms | Rubicon Express 4.5" springs | Bilstein 5100's
(Sold) 2001.5 Audi S4 - APR 93/100 | 710n's | EvoMS intake | RS4 clutch | Stern Snub | Stern motor mounts | GROM Bluetooth | DEI Remote Start
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