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Bry
01-31-2002, 12:18 AM
My chain tensioner that I received had a small ring around the piston. Am I supposed to take it off or leave it on? I can not compress the piston past this ring becuase it stops the movement. The ring has a gap in it, so it would be pretty easy to remove. What to do?<p>Thanks,<br>Bryan K.<br>'88 Zinnoberrot M3

Jon
01-31-2002, 12:46 AM
Mine was not apart when I received it so I couldn't tell you for sure but it almost certainly belongs on there. If you can't get it in, you might want to try compressing this ring somehow. Something akin to a piston ring compressor would be ideal.<p>Or maybe you just need to try harder. I doubt that it would hurt anything to try <i>lightly</i> tapping the piston in with a hammer...just make sure the surface of the hammer is smooth or put something between it and the piston so you don't damage the surface.<p>Good luck,<br>Jon<p><i><br>My chain tensioner that I received had a small ring around the piston. Am I supposed to take it off or leave it on? I can not compress the piston past this ring becuase it stops the movement. The ring has a gap in it, so it would be pretty easy to remove. What to do?<p>Thanks,<br>Bryan K.<br>'88 Zinnoberrot M3<p></i><br>

Andrew
01-31-2002, 03:08 AM
I just installe one last weekend and mine didn't seem to have a ring around the piston. Works fine. <br>-Andrew

MarkPike
01-31-2002, 08:45 AM
<center><img src="http://www.m3bmw.com/part_numbers/tensioner.jpg"></center><p>

michael
01-31-2002, 10:27 AM
The piston can and should be reinserted in to the cylinder.

michael
01-31-2002, 10:35 AM

SteveS
01-31-2002, 01:21 PM
Mine came apart before installation. I put it in vise and slowly closed it. As ring approached the sleeve, I took flat head screwdriver to push the ring closed so it was compressed as it entered the sleeve. It moved in and stayed. I did not force anything. It works. It is a terriffic improvement and car is noticeably smoother without the start-up noise.

Bry
01-31-2002, 09:17 PM
That ring on the very top that is loose looking is what I am talking about. I cannot compress the piston pass the ring (with my hands) because the ring is blocking the piston from going any further. Mine looked about this loose. Is this correct?<p>Thanks<br>Bryan K.<br>'88 Zinnoberrot M3<br>

Bry
01-31-2002, 09:47 PM
Thanks, I thought something was wrong. Now I have to remove it! (I only got it started by hand threading it. I didn't have a big enough socket to get it anymore. Did anyone have problems with installation with the a/c hoses in the way? It was hard to get the socket in there and on the tensioner.<p>Bryan K.<br>'88 Zinnoberrot M3

Jeff E
02-01-2002, 10:29 AM
a bit longer than the 45 minutes it took alot of other guys on the board. I just couldn't get to the damned thing. I actually jacked up the front of my car and accessed the tensioner from the bottom....seemed easier to me than trying to get at it from the topside. Good luck....just use patience.


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