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1994 MB E320
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197 Posts
Discussion Starter · #1 ·
When I start the car on these single digit temperature mornings, there is a ticking noise for a few seconds from under the bonnet. Is this normal? TIA
 

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1993 e320 coupe
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85 Posts
I had the same thing with mine.
I was told it is the oil getting up to the hydraulic tappets.It only happens on cold mornings coz the oil is a bit thicker due to the drop in temp.
Apparantly it is nothing to worry about as long as it only lasts a couple of seconds.I hope this puts yor mind at rest as it did mine when i was told.
Hope one of the experts does not tell us something different coz mine has been doing it off and on for months with no ill effect,
 

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1994 MB E320
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197 Posts
Discussion Starter · #3 ·
Oh, that makes sense. Yeah it only lasts for maybe 5 seconds. The reason I was a little concerned is because this is the first winter the car has been in cold weather (it went to Florida for every winter for the past 10 years).
 

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BenzWorld W126 & W201 Host
1988 420SE, 2002 C180 Kompressor, 200 ML320
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1,159 Posts
Could also be a blown exhaust manifold gasket. They can tick when cold but as the manifold heats, it swells and closes the gap.

Just a thought.
 

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1994 MB E320
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197 Posts
Discussion Starter · #5 ·
spanners - 1/28/2005 3:47 PM

Could also be a blown exhaust manifold gasket. They can tick when cold but as the manifold heats, it swells and closes the gap.

Just a thought.
That can happen in a matter of seconds?
 

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BenzWorld W126 & W201 Host
1988 420SE, 2002 C180 Kompressor, 200 ML320
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1,159 Posts
It does actually tend to last for the first minute.

Didn't read the post properly.[:0]
 
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