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joeangi
Flying Brick Rider
Joined: 03 Apr 2006
Posts: 291
Location: Westchester, New York
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 Posted: Wed Feb 11, 2009 6:51 pm Post subject: chain tensioner rail coating |
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I noticed that in the maintenance intervals posted on the site, that it calls for "renew chain tensioner rail coating"every 36000 miles? What does it get renewed with? As long as my valve cover is off....I figured I would do it.
Thanks,
Joe |
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Scott_Anderson
Site Admin
Joined: 05 Sep 2006
Posts: 3122
Location: Central Iowa, USA
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| Posted: Wed Feb 11, 2009 7:07 pm Post subject: |
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To my knowledge it means replacing the chain rail tensioner guide.
And it's behind the front timing chain cover.
http://www.realoem.com/bmw/showparts.do?model=0536&mospid=47926&btnr=11_1821&hg=11&fg=30
When mine was in for valve work they replaced the following:
part #22 chain tensioner, $53.49
part #10 timing chain, $68.20
part #12 tension strap, $7.51
part #14 washer, x2 $1
part #13 shim, $1
part #16 eccentric, $2.36
part #18 guide rail, $14.90
Your actual part #'s my vary by your model year but I think that they should be the same.
_________________
Ride safe.
1995 K1100LT 0302044
2017 FLHTK Ultra Limited
Garmin StreetPilot 2820
Garmin Zumo 550
Garmin Zumo XT
"One who does not ask questions is ashamed to learn" Danish proverb
1997 K1100LT 0302488(R.I.P.)
1997 R1100RT ZC62149(sold) |
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Phil Marvin
Rider in the Sky
Joined: 03 Apr 2003
Posts: 1389
Location: El Paso, Texas, USA
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| Posted: Wed Feb 11, 2009 7:29 pm Post subject: |
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Hi, Joe,
I've shared this story before; I'll do it again.
I bought my first K1100LT in 1997. When it came near 36k miles, I asked the mechanic if it was really necessary to change the timing chain tensioner rail. He said that when he went to the BMW school, the same question was asked. The instructor said that all of you students are experienced dealer mechanics. How often have you seen a problem in any K-bike with the tensioner rail. None of the mechanics had ever seen or heard of anyone having a problem. Ihe instructor said neither had he. I didn't have my rail renewed at 36k miles. I sold the bike with 122k miles on it. It now has well over 140k miles on it and the timing chain tensioner rail still has never been changed, and the bike is still running well.
Ride Safe,
_________________
Ride Safe,
Phil Marvin in El Paso, TX
'94 K75A/3
'95 K75RTP |
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joeangi
Flying Brick Rider
Joined: 03 Apr 2006
Posts: 291
Location: Westchester, New York
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| Posted: Wed Feb 11, 2009 7:32 pm Post subject: |
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| Thanks for the advice. It sounded like I had to add a Moly coating or something. I agree, if it ain't broke....and chances are it won't ....don't fix it. |
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Scott_Anderson
Site Admin
Joined: 05 Sep 2006
Posts: 3122
Location: Central Iowa, USA
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| Posted: Wed Feb 11, 2009 8:24 pm Post subject: |
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| joeangi wrote: | | Thanks for the advice. It sounded like I had to add a Moly coating or something. I agree, if it ain't broke....and chances are it won't ....don't fix it. |
The only thing to be careful of is if you don't really know the oil change history of the bike it's possible for the oil passage in the chain tensioner to plug up and not provide the proper tension for the chain, as it uses running oil pressure to maintain tension.
If your close to being "in there" you might want to pull it out and clean it out so you know for sure that it won't be a problem in the future.
I was pretty sure that mine didn't "need" replaced, but I also wasn't "asked" if I wanted to have that stuff replaced either.
_________________
Ride safe.
1995 K1100LT 0302044
2017 FLHTK Ultra Limited
Garmin StreetPilot 2820
Garmin Zumo 550
Garmin Zumo XT
"One who does not ask questions is ashamed to learn" Danish proverb
1997 K1100LT 0302488(R.I.P.)
1997 R1100RT ZC62149(sold) |
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joeangi
Flying Brick Rider
Joined: 03 Apr 2006
Posts: 291
Location: Westchester, New York
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| Posted: Wed Feb 11, 2009 8:34 pm Post subject: |
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| Great idea...easy enough to pull and clean. Especially since it had one of those Fram filters with the black stuff on it.... |
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drmalacarne
Flying Brick Rider
Joined: 02 Mar 2008
Posts: 762
Location: São Paulo, Brazil
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| Posted: Thu Feb 12, 2009 7:09 pm Post subject: |
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| Phil Marvin wrote: | Hi, Joe,
I've shared this story before; I'll do it again.
I bought my first K1100LT in 1997. When it came near 36k miles, I asked the mechanic if it was really necessary to change the timing chain tensioner rail. He said that when he went to the BMW school, the same question was asked. The instructor said that all of you students are experienced dealer mechanics. How often have you seen a problem in any K-bike with the tensioner rail. None of the mechanics had ever seen or heard of anyone having a problem. Ihe instructor said neither had he. I didn't have my rail renewed at 36k miles. I sold the bike with 122k miles on it. It now has well over 140k miles on it and the timing chain tensioner rail still has never been changed, and the bike is still running well.
Ride Safe, |
Great tip!!
I was worried about that some months ago.
Now, no more.
Guilherme.
_________________
1994 K1100LT SE n° 0267
1998 HD Heritage Springer 95th anniversary
Yes, a Hog and a Beemer can live together! |
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