Symptom:
Cold start rattle/grinding noise. Happens below freezing temperatures, first startup of the day only. More chance to happen if the car is left parked for more than 1 day.
Cause:
Timing chain tensioner leaking it's oil and not applying tension on the chain for half a second (tensioner part number: 145105A2A02).
Car:
75000km / 46000miles 2.4L Earth Dreams engine.
Oil and filter (honda filter) are replaced every 6 months. No oil consumption.
Service bulletin: TSB 19-019
Service bulletin Canada: HSB-A-5-19-F
