Since new it has a cold start rattle that is on and off until it warms up enough for the idle to drop Mine has been totally silent, rattle wise, up until about a month ago when the morning temps started to near the 30f to. To resolve this issue, ford technicians are instructed to replace all four of the vct units in the engine
Diagnosing Cold Start Rattle: Ford EcoBoost 3.5L Cam Phaser Rattle
As a ford ranger owner, you might experience engine rattle issues caused by two primary.
See below video that come from the engine when it cold starts
The rattle is a lot more noticeable before the engine. Has anyone heard or know what i’m hearing It’s about every 10 seconds and happens on cold starts and stops once. Welp, this showed up last night
Just saw that this morning, pretty crazy So there's a batch of faulty vct solenoids out. A pretty common cause of a start up rattle on these engines is the vct phasers, i would make sure the oil level is full and clean first. I wanted to record the cold start rattle as the oil pressure builds up and see how it sounded
In this video we show you exactly what is making all that noise on cold startup and decel.
