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Discussion Starter · #1 ·
Hi all,

This may be a stupid question, but do K-series engines need the valves to be adjusted? Every, what do I know, 10,000 miles or so? I can't find anything on that subject, not in the Workshop manual, nor in the maintenance check sheet or on this forum. I can't even find a Youtube-video of some (T)F owner showing how it's done ;-) I recently adjusted the valves of my 1964 Series 2a Land Rover and remember adjusting them (much more work) on my old Maxi way back when, and I always thought all valves needed adjustment once in a while. I own a TF 136 and a 160 VVC. I sometimes have the impression the 160, when warm, sounds like a diesel. The 135 is much less noisy. Or does that have to do with the special valve gear of the 160?

Regards,
Richard
 

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The hydraulic lifters can get noisy if your oil level is low and/or your oil is 'dirty'.

To first cause is a simple fix of course, and to reduce the possibility of your problem being caused by my second suggestion, use an engine oil flush additive and get the car up to full operating temperature using a 10-20 mile run.

Then drain the oil, fit a new filter and fill with fresh oil as quickly as possible and repeat this procedure. Yes you will have sacrificed some oil and a filter, but you should have removed as much 'muck' as practical without stripping your engine down.

I hope that helps?
 
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Discussion Starter · #5 ·
Hi Ian, thank you.

Oil is right op to the high mark on the dip stick. I check almost every time I use the car. Oil and coolant level. Oil and filter have been changed recently, erm, two weeks and roughly 600 miles ago, a trip to and from Metz. I have the impression the noise levels are particularly high after a long (250+ miles) drive.

The PO was one of those who believed modern engine oils don't have to be changed. The engine oil had been in there for about 5 years – but the car had only been driven a few thousand miles. It was due for MOT and I asked the mechanic, an MG-Rover specialist, to give it a thorough check-up and to also change break fluid (7 years old) and engine oil and filter. The car is otherwise in good nick. I will give the flush a try. Something like this?

Richard
 

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Hi Richard,

I haven’t heard of that brand myself, but it might be OK.

Usually I use a Wynns product.
 

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Discussion Starter · #8 ·
I'm still a bit hesitant to use an engine flush. I'm a bit worried the additives will not fully dissolve sludge and build-ups, but will partly disintegrate or dislodge them, after which chunks and deposits get lodged (for instance) in the minute oil passages of the VVC-system. I tried to find some answers on the internet, but the great thing about the internet, of course, is that it furnishes solid evidence for each and every theory, theorem and hypothesis. And modern engine oils have the detergents built into them, especially the synthetic ones, I believe. I'll first give an extra oil and filter change a chance… Thanks anyway!
Richard
 
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