Re: [Fot] [TR] Timing cover crank seal oil leak

[Mark J Bradakis via Fot <fot@autox.team.net>]

On 12/25/20 7:37 AM, van.mulders.marcel--- via Fot wrote:
> On  2 occasions I had a leaking timing because of a small hole in the 
> cover itself : once the hole had the shape of a thin line and was 
> located near the rivets or spotwelds of the chain tensioner.


If the timing chain tensioner breaks so that you have a rough edge 
riding against the cover, rather than a smooth curve, it will eventually 
machine a slot into the cover.  I've had it happen on some Spitfire engines.

mjb.


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