Loud Rattle Type Noise from Engine After Cold Start on Acura TSX

Problem Description and Possible Solution

A loud rattle type noise may be noted from the engine after a cold start. This can be caused by a faulty valve timing control actuator. Replacing the failed actuator will commonly correct this noise issue.

Problem Data
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Average mileage: 91,283 (15,800–265,000)
Engine affected: 2.4L 4 Cylinder
9 model years affected: 2004, 2005, 2006, 2007, more2008, 2009, 2010, 2011, 2012
47 people reported this problem
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Viewing 1 - 20 of 21 comments
after start car makes a noise for a couple seconds then go away
Started making rattling noise upon starting car. Now is happening everytime I start my car.
Same issue...horrific noise made at cold start. Need to take it in. Wanted to check here first.
A loud rattle type noise may be noted from the engine after a cold start.
Loud grinding, plasticky rattle from engine on cold start
loud rattle for a few seconds in the morning near the engine cover
. usually doesn't do it again until it is cold.
On first startup, rattle noise heard from engine bay, once in a blue moon but annoying.
Same issue, rattle on cold start...
Loud succession of rattling sounds immediately after cold start. Lasts maybe 2-3 seconds. Goes away after car warmed up which makes it impossible to show someone unless they hold the car overnight.
At 35-45 mph I get a shudder as if I am going over rumble strips, the dealer recommend a new transmission $3200.00, I think not. For the cold start rattle they suggested replacing the timing chain because I have an oil leak, $542.00, more doable than a transmission. I will be looking for a certified pre-owned real soon!
Same issue
rattle noise on cold start up for 5 second and then goes away
when i leave my car for 2 hours or soo it makes this rattling sounf then it goes away and when i leave my car for like 20 mins it doesnt happen again
Loud rattling when cranking car only when it's cold
Replaced variable timing solenoid and clean two oil screen and changed motor oil 5w30 still rattle and cut off
Cold start 2sec. Engine noise.
Ioud rattling noise for a couple of seconds on cold start
Loud rattle noise when cold start. Only happens on the first start and usually last leas then 5 seconds.
As described - loud rattling noise upon cold start. Not yet repaired.
My 2009 TSX has an intermittent rattle or ping when accelerating. It doesn't seem to matter if at low or higher speed. Took it to the dealer a couple of times when first noticed and they said they could not duplicate the issue while test driving it. It's been a couple of years, so I will check with them again.