2012 GL350 Engine Noise - not timing chain
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Joined: Sep 2018
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2012 GL350
2012 GL350 Engine Noise - not timing chain
HELP NEEDED
I've tried to read through as many different threads as possible before posting.
I have a 2012 Mercedes GL350 with roughly 56,000 miles on it. The vehicle was making it's usual diesel noise (we also have a 2005 Sprinter 2500). It was also making this intermittent slap noise, and after some research we figured it was the timing chain - which we just replaced it but we still have the intermittent slap noise.
Points are:
On further investigation, the noise sounds like it's coming from the back of the engine
I've included a sound clip
It's not rhythmic - for example, it does not have a consistent knock sound
The noise only appears when in "Park" - once in gear noise goes away
Unbolted converter, and moved away from engine - noise still occurs
Our thoughts:
Flexplate
I've tried to read through as many different threads as possible before posting.
I have a 2012 Mercedes GL350 with roughly 56,000 miles on it. The vehicle was making it's usual diesel noise (we also have a 2005 Sprinter 2500). It was also making this intermittent slap noise, and after some research we figured it was the timing chain - which we just replaced it but we still have the intermittent slap noise.
Points are:
On further investigation, the noise sounds like it's coming from the back of the engine
I've included a sound clip
It's not rhythmic - for example, it does not have a consistent knock sound
The noise only appears when in "Park" - once in gear noise goes away
Unbolted converter, and moved away from engine - noise still occurs
Our thoughts:
Flexplate
Last edited by Sarah Burgess; Sep 28, 2018 at 05:53 PM. Reason: Added wrong sound clip
Senior Member
Joined: Jan 2011
Posts: 422
Likes: 52
From: McDade, Texas
W211 e320 CDI
Sounds to irregular to be timing chain, neither crank speed (rods) nor 1/2 crank speed (valve train)...just a tiny observation based on tiny sound clip. Was tranny removed in recent past?
