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#1
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what does loose tensioner shock sound like
i have read about this problem with the tensioner shock and the noise it makes. i thought i had this problem then i forgot all about it but recently it came to my attention that i do get the noise but only when i am in gear. this makes it difficult for me to isolate by myself. to me it sounds somewhat like a muted diesel clatter and it is quite annoying. is there anything else that might make a similar noise only when in gear? i checked the top of the tensioner shock and it doesn't appear to have play but i know to check if the noise goes away by pressing against it with a large screwdriver. i'm just waiting until i can get someone in the car to put it in gear while i do the check, in the meantime, anyone have ideas as to what else it could be?
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joE 1993 300e-2.8 - gone now <sigh> "Do not adjust your mind, it's reality that's malfunctioning" http://banners.wunderground.com/bann...L/Key_West.gif |
#2
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It sounds like a rattling in the engine bay... I thought it was in my engine.. thankfully it was just the tensioner shock. Do a search on my posts regarding the situation.
Good luck!
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2006 E350 w/ 155k miles (Daily Driver) Previous: 1993 300E 3.2L Sedan w/ close to about 300k miles 2003 E500 Brilliant Silver (Had 217k miles when totalled!) 1989 300E with 289,000 miles (had for <1 yr while in HI) 03 CLK 500 cabrio (Mom's) 2006 C230k (Dad's) 1999 S420 (Mom's/Dad's) 2000 C230k Sport sedans 2001 CLK320 Cabrio (Mom's) 1995 C280 My First Mercedes-Benz... (155k miles. EXCEPTIONAL AUTOMOBILE. Was Very hard to let go of!) |
#3
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david,
yep, your thread was one that i read, specially good since Steve B. sent in pages from the manual that show what the different versions look like. did you manage to change the shock yourself or did you wind up having someone do it for you?
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joE 1993 300e-2.8 - gone now <sigh> "Do not adjust your mind, it's reality that's malfunctioning" http://banners.wunderground.com/bann...L/Key_West.gif |
#4
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#5
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Well... unfortunately, I decided NOT to tackle that... so i just took it in to be replaced. I think it was less than an hour of labor, and the part was only $25. NOt too bad.
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2006 E350 w/ 155k miles (Daily Driver) Previous: 1993 300E 3.2L Sedan w/ close to about 300k miles 2003 E500 Brilliant Silver (Had 217k miles when totalled!) 1989 300E with 289,000 miles (had for <1 yr while in HI) 03 CLK 500 cabrio (Mom's) 2006 C230k (Dad's) 1999 S420 (Mom's/Dad's) 2000 C230k Sport sedans 2001 CLK320 Cabrio (Mom's) 1995 C280 My First Mercedes-Benz... (155k miles. EXCEPTIONAL AUTOMOBILE. Was Very hard to let go of!) |
#6
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arthur,
yes, i'm ready to do the o-ring fix. i just need to verify that it actually is the source of the noise because when i went to wedge my screwdriver in there i realized that the noise wasn't present when the car was in "park". can you give me an idea what size o-ring to use? i don't have any lying around so i'm gonna have to run over to the local NAPA store to get one. also, is there a recomended torque for the bolt or is it one of those "2 grunt" jobs (i hate to guess)...
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joE 1993 300e-2.8 - gone now <sigh> "Do not adjust your mind, it's reality that's malfunctioning" http://banners.wunderground.com/bann...L/Key_West.gif |
#7
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Put the car in gear, and jap the parking brake all the way down!
**disclaimer from all liability!!**
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2006 E350 w/ 155k miles (Daily Driver) Previous: 1993 300E 3.2L Sedan w/ close to about 300k miles 2003 E500 Brilliant Silver (Had 217k miles when totalled!) 1989 300E with 289,000 miles (had for <1 yr while in HI) 03 CLK 500 cabrio (Mom's) 2006 C230k (Dad's) 1999 S420 (Mom's/Dad's) 2000 C230k Sport sedans 2001 CLK320 Cabrio (Mom's) 1995 C280 My First Mercedes-Benz... (155k miles. EXCEPTIONAL AUTOMOBILE. Was Very hard to let go of!) |
#8
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parking brake
i figured i'd try that and already did it, except today it's 10 degrees cooler than yesterday and the noise isn't there . it only seems to come on when it's 90C or more and everything gets really nice and hot. go figure...
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joE 1993 300e-2.8 - gone now <sigh> "Do not adjust your mind, it's reality that's malfunctioning" http://banners.wunderground.com/bann...L/Key_West.gif |
#9
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Just tried the o-ring fix on our '91 190E 2.3. It works for now, anyway - the rattling is completely gone. Much easier to r&r the one bolt than the whole damper - nothing had to be removed for access, 10 minute job. Thanks for pointing out the thread.
Steve |
#10
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I have replaced my tensioner shock twice on my 350 SDL - wear rate is about 2 years max.
While some of the threads point to a bushing getting soft or othewise deteriorated, the actual shock absorber mechanism in mine wears out ... The rattle is pretty horrific ... put a new one on for about $25 and presto .... (relative) silence. First one took an hour ... second one about 20 minutes.
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George Stephenson 1991 350 SDL (200K and she ain't bent, yet) former 2002 E320 4Matic Wagon - good car former 1985 300 CD - great car former 1981 300 TD - good car former 1972 280 SEL - not so good car a couple of those diesel Rabbits ...40-45 mpg |
#11
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after a good long drive it started up again and i was able to jam my screwdriver blade in there to stop the noise. i guess it's the o-ring fix for me...
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joE 1993 300e-2.8 - gone now <sigh> "Do not adjust your mind, it's reality that's malfunctioning" http://banners.wunderground.com/bann...L/Key_West.gif |
#12
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Quote:
Did you get my email instruction ? Arthur |
#13
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just to close this thread. this has got to be the cheapest and easiest fix i've done so far. took maybe all of 15 minutes because it's kinda tight around that area. $0.49 o-ring from NAPA did the trick (i got 12 mm size). thanks to Arthur for the tips...
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joE 1993 300e-2.8 - gone now <sigh> "Do not adjust your mind, it's reality that's malfunctioning" http://banners.wunderground.com/bann...L/Key_West.gif |
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