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Conod
18-04-2013, 10:17
New poster! (less than 10 posts)

Hi a knocking has developed on my engine, it seems rev specific.
Done the usual listening with a screwdriver and top end seems ok as does bottom end.
I removed the timing chain cover to see if anything was a miss in there the tensioner seems fine but the ooppositeside seems a bit baggy.

Anyway here is a video, is this normal?
Cheers!

https://www.youtube.com/watch?v=NsQZpNC1Zes&feature=youtube_gdata_player
Chunk
18-04-2013, 11:23
Pretty sure it should be under more tension than that, having said that the chain will be tensioned more when the engine is running since it's oil pressure that pushes the tensioner into the chain
Brigsy
18-04-2013, 13:13
The chain seems pretty loose, try changing the tensioner
gtmatt
18-04-2013, 14:27
Not normal needs more tension
Conod
18-04-2013, 15:15
New poster! (less than 10 posts)

Ok thanks for the input guys. I will buy a new chain and tensioner and see how it is after that.
Tony Walker
18-04-2013, 16:03
The way to check is move the crank so the slack is on the tensioner side and see how far the tensioner moves out.
Conod
18-04-2013, 19:07
New poster! (less than 10 posts)

Ok just had another look, I moved the crank clockwise manually the slack does come out but the tensioner doesn't seem to move much at all from its fully retracted position maybe only 3-4mm. Whilst moving the crank round the tensioner can be pushed back very easily, is this just because there is not enough pressure to make it feel firm?
Tony Walker
18-04-2013, 19:34
tensioner should have a spring inside... either the springs snapped(ive seen alot on corsas but not 5s) or its not been fitted in the first place? or the tensioners sticking/tight/seized.... either way best bet is to fit a new tensioner and a new chain while our at it.
Conod
18-04-2013, 21:55
New poster! (less than 10 posts)

Ok thanks for your help Tony. Just ordered a chain and tensioner
newbstar*
19-04-2013, 17:54
Dont pull the red tab out of the new tensioner pal untill its all fitted up.;)
Tony Walker
19-04-2013, 19:52
Dont pull the red tab out of the new tensioner pal untill its all fitted up.;)
Takes ages to find the spring. Its like a big red button you just have to press.