1977 · Jul 20, 2017

Hi all
I have a got a replacement timing chain tensioner as mine exploded when the timing change flue out the engine before I got it, should the tensioner be free to move on the piston or should it be incredibly stiff, it is currently the latter.
I had to removed the old sleeve from the piston by heat, and put the new one on by compression in a vice. This can't be right in my opinion. Thanks for your help once again.

Stretch · Jul 21, 2017

1977 said:
Hi all
I have a got a replacement timing chain tensioner as mine exploded when the timing change flue out the engine before I got it, should the tensioner be free to move on the piston or should it be incredibly stiff, it is currently the latter.
I had to removed the old sleeve from the piston by heat, and put the new one on by compression in a vice. This can't be right in my opinion. Thanks for your help once again.

The piston on the tensioner should move quite freely. Stiff isn't good (in this case)

1977 · Jul 23, 2017

Thank you I'll see if I can mill it down a bit

The Mad Hat Man · Jul 23, 2017

I found that any job on my Series was at least 6 or 7 beerings. Occasionally a rumming or two.( not rimming, nig!)

Stretch · Jul 24, 2017

1977 said:
Thank you I'll see if I can mill it down a bit

Go and have a look at the prices for new parts - I think you might be surprised - not that bad. If I remember rightly these tensions also rely on oil pressure to apply a bit of oomph - kind of makes me think that a bit of fettling on this part isn't ideal...

1977

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Stretch

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1977

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The Mad Hat Man

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Stretch

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