[W126 Coupe] Engine death rattle ?

[Dick Spellman]

Time to check that chain, tensioner, rails and sprocket teeth.  If a 
rail has cracked or the tensioner has developed weakness it's only a 
matter of time before as you say death of that engine occurs.

Dick

Richard Hesek wrote:

>   I have been driving my 87 560 SEC about half time over the last 3 weeks.

> 3 or 4 days per week instead of 7.

>

> The last 3 or 4 times I have started it, there is a light rapping which

> lasts as long as it takes for the engine to start. Once it is running the

> rap disappears.

> This is not a tapping, ticking or rocker arm noise.

> It is as though the oil has not reached all the parts it is supposed to

> lube.

>

>   The timing chain is original and has 100k miles on it. I assume the oil

> pump chain is the same also.

> Good power and normal fuel consumption.

>

> Any thoughts?

>

> Thanks,

>

> Rick Hesek

> Northboro, MA

>

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