Hi
This is my Subaru sport auto yr 2000 does anyone know what the White wheel in the pic is please, it's making a rattly bearing noise and rubbing on my belt, my check engine light keeps coming on and off too
Thanks for your advice
Jody x

 

It's just an idler pulley, looks like it's sitting a bit funny though. Bearing possibly failed on it? Should be a simple job to replace judging by where it is.

I must say I've never seen one like that before, usually the idler pulley itself is below there on a bracket and is adjusted using a long bolt.

 

Like this:



Looks like your adjuster is missing.

 

Thanks for your response I ve been looking at engine diagrams, engine pics but couldn't find this white wheel anywhere!!

 

Looking at that air conditioning cover it may be a aftermarket a/c system fitted would explain the different tensioner

 

I think this might sound a bit strange but to me it looks like a belt tensioner part do you think it's possible that the person who owned it before me has replace the idler pully with the wrong part?? The diagram in the pic looks like every pic I ve seen of my engine (I ve owned the car a few weeks)

 

Looks like a bodge instead of using the right part.

 

 

Better pic

 

Already posted a picture of what you should have, it's clearly the wrong part that someone has fitted to get the thing working.

 

I think I know why is there. And i want the pics for this fix lol.

That tensioner pulley is ridiculously weak. When I changed the belts on mine, it was so tightly done by previous owner, nut snapped in half. Hence now no more A/C.

Them tensioners are known to break.