> There then appeared a fairly loud tic tic tic from the cam area that
> wasnt there before.
They all do that.
> A friend told me it was probably a sticky valve lifter, [it is only
> one or two, not the whole lot] and as I changed the oil all the gunk
> that was keeping it quiet was now flushed out by the clean oil.
>
> Question is, am I damaging it by driving with this fault or is it one
> of those things that are annoying but do little damage?
All M40s sound like a sowing machine. I had one that needed a new
camshaft due to a worn lobe. I fitted new cam, lifters and tappets - it
still ticked. I've come to the conclusion it's valve guide wear. I've
heard the same story from other M40 owners who've done the same work and
still have noisy engines.
I'd turn the stereo up a bit and ignore it.
I'm not a massive fan of the M40. The M42 1.8 of the same vintage is a
FAR better bit of kit. I have 186k on my 1990 M42 and it's nice and
quiet.

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Floyd Rogers - 16 Nov 2005 19:51 GMT
"John Burns" <john@unixnerd.demon.co.uk> wrote
> All M40s sound like a sowing machine. I
Don't you mean "sewing"? I doubt you could hear a "sowing"
machine due to the tractor's noise. ;->
FloydR
Andy - 16 Nov 2005 22:22 GMT
>> There then appeared a fairly loud tic tic tic from the cam area that
>> wasnt there before.
>
>They all do that.
Thanks John,
I have had a proper look on the web and found many others with similar
problems.
I'll check the cam for visible wear at the weekend, can I run it with
the cover off of or will everything get covered with oil? I want to
check the spray bar...
It drives like a dream on the motorway but I have been worried there
might be a big bang then silence...it seems that is not the case.
Cheers
Andy