On the non turbo vehicles it’s said to be a leaky timing tensioner, once oil pressure is up and the tensioner is pressurized the rattle. We will start with a diagnostic inspection to confirm the cause of the noise and explain whether timing chain work is required My 2014 outback had chain rattle on startup from new until i traded it at 45k miles.
How to change a timing belt on a subaru - YouTube
A broken timing chain will often cause an unpleasant metallic rattle when accelerating or decelerating
If this happens, consult your vehicle manual for instructions on replacing it.
Learn why a timing chain rattles on startup, what it means, how to diagnose it, and when to repair it before engine damage occurs. The rattling noise occurs when the engine turns over for a breif second on startup Sometimes when i push the clutch in/out or changing gears i hear it to but it doesn't happen everytime. It sounds like the classic subaru piston slap that happens on really cold starts, but its not common on the turbo motors with the low compression pistons because they have more clearance.
Hearing a rattling noise on engine startup Learn the common causes including timing chain wear, tensioner failure, and vvt issues, plus repair costs and risks. So i’ve had this issue ever since i bought my 17 wrx with 35k now at 43 On a cold start i get this rattle sound coming from the front of the car towards the bottom
It almost sounds like a chain rattling.