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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 5 Series > E39 (1997 - 2003)

E39 (1997 - 2003)
The BMW 5-Series (E39 chassis) was introduced in the United States as a 1997 model year car and lasted until the 2004 when the E60 chassis was released. The United States saw several variations including the 525i, 528i, 530i and 540i. -- View the E39 Wiki

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  #1  
Old 04-30-2013, 09:46 PM
666540 666540 is offline
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Mein Auto: 2000 e39 540iA M sport
Clatter after changing timing chain tensioner

Hey guys just replaced my timing chain tensioner was easy enough but now iam a bit worried cause i can hear the timing chain clattering on the guide rails.When I start the car its sounds fine but when i rev it i can hear the timing chain slapping around any help would be appreciated not sure if i did something wrong.
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  #2  
Old 04-30-2013, 10:01 PM
edjack edjack is offline
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Why did you change it? Was it broken?

Compare the original with the new one. I bought a new one some time ago, and have not installed it. I felt the spring inside was far too weak.

I remember replacing the tensioner on an M30, and, because of the spring tension, it was very difficult to start the thread.
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  #3  
Old 04-30-2013, 10:18 PM
666540 666540 is offline
Slyppery Gypsy
Location: Australia
 
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I changed it cause i thought it would be a good idea to protect my guide rails.I think i might reinstall the old one cause iam not liking the sound its making.the spring in the new one is longer but doesnt feel like it has the same pressure as the old one should i reinstall the old one?
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  #4  
Old 04-30-2013, 10:36 PM
acerocks415 acerocks415 is offline
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Are you sure your guides are not broken, mine just broke at 130k. Open the oil cap you could see a guide if its loose.
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Old 04-30-2013, 10:41 PM
666540 666540 is offline
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yeah pretty sure my guides arent broken the car was fine till i changed the tensioner had a little bit of noise on start up but nothing like this its sound like chain is loose now and is slapping against the guide.
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  #6  
Old 04-30-2013, 10:57 PM
666540 666540 is offline
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Location: Australia
 
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Ok so I just reinstalled the old timing chain tensioner and the noise has gone thank god.The new tensioner i had in there was from febi.could it possibly be that changing to the new design is what causes the guide rails to fail on some vehicles just a thought would like opinions.
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  #7  
Old 05-01-2013, 06:21 AM
Bandem Bandem is offline
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Clatter after changing timing chain tensioner

I would drop your sump or open your upper timing covers to see if those guides are broken which may very well be.


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  #8  
Old 05-01-2013, 07:22 AM
AH673000 AH673000 is offline
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  #9  
Old 05-01-2013, 03:30 PM
666540 666540 is offline
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I hope its not the timing chain guides as i just got the car its been running great and theres no indication that there broken i put the old tensioner back in and it sounds fine would it still sound normal if they were broken?
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  #10  
Old 05-02-2013, 01:05 AM
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540 M-Sport 540 M-Sport is offline
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Quote:
Originally Posted by 666540 View Post
Ok so I just reinstalled the old timing chain tensioner and the noise has gone thank god.The new tensioner i had in there was from febi.could it possibly be that changing to the new design is what causes the guide rails to fail on some vehicles just a thought would like opinions.
I purchased a Febi and a factory oem and they were essentially identical, there was no difference in tension.

I replaced mine at around 100k miles, then around 170k.
The first replacement at 100k, there was a huge difference in the spring length. They obviously changed the spec on that. When I replaced at 170k, I only saw a small reduction in spring length from use...perhaps it lost a 3 coils in compression? not a lot.
I used oem, and installed the Febi in a friends high mileage 540...I think he had around 150k..he said it greatly reduced the start up rattle, both frequency of occurring, and volume of noise.

I have a 194k miles currently. Original timing chain guide rails...they have not come apart yet (knocking wood) I still get the occasional start up rattle, but only on cold start, and every fourth or fifth time...and relatively faint. Prior to the first change out, it was pretty often and loud.
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  #11  
Old 05-02-2013, 02:47 AM
666540 666540 is offline
Slyppery Gypsy
Location: Australia
 
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Thanks for the info 540 m-sport and to everyone else who replied.I might buy the oem tensioner just so I can see the difference all I know is the sound I could hear wasnt right it was like the chain was loose and when I revved it I could hear it tightening up or going slack and making a slap if that makes sense.Iam just gonna leave the original in my car it has 120k miles on it.Cheers guys.
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  #12  
Old 07-07-2013, 04:00 PM
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rrtec rrtec is offline
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Changed mine @ 208,000 today. So far so good.. Used a FEBI unit. There was a 1/2 inch difference between the OEM unit in the car and the FEBI I installed. Here's to hoping it cured my start up rattle. I was getting some minor "chain drag" at low rpm and that was instantly gone with the new install.
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Old 07-08-2013, 09:40 PM
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rrtec rrtec is offline
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Noise is back.. not as bad. But back.. ugg.
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  #14  
Old 07-09-2013, 03:46 AM
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