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  #1  
Old 11-08-2008, 04:45 PM
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Join Date: Nov 2008
Location: Orlando, Fl
Posts: 14
Need help asap tension pulley

I just replaced the idle pulley and that was a breeze.

The problem I have now is that the tension pulley is has gone bad I think.

I'm able to move it left to right very easy with my hands. Does this mean that it's gone or can it be adjusted or fixed?

If I need to buy a new or used can someone recommend a person or company thatís selling it?

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  #2  
Old 11-08-2008, 05:26 PM
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Location: Walnut Creek, CA & 1,150 miles S of Key West
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Add your vehicle to your signatue (see mine below) using the USER CP tab above so we know what type of car you have.
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N. Calif. & Boca Chica, Panama

09' E320 Bluetec 77k (USA)
09' Hyundai Santa Fe Diesel 48k (S.A.)
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  #3  
Old 11-08-2008, 08:17 PM
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ok thanks. I just did and waiting it for it to apply. 1998 c280 sedan. I think thats it don't know much about the vehicle.
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  #4  
Old 11-09-2008, 05:51 PM
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Join Date: Sep 2004
Location: Seattle
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Hi,

Those parts are available on this site from the All Parts Express link. This should be the one:

http://www.allpartsexpress.com/ShopByVehicle.epc?q=1998-MERCEDES--BENZ-C--80--/--V6--799cc--.8l--Gas--Fi-Engine&yearid=1998%40%401998&makeid=MERCEDES+BENZ%40%40MERCEDES+BENZ%40%40X&engineid=1316353%40%40C280++%2F+V6%2D2799cc+2%2E8L+GAS+FI%40%40C280&catid=Engine%40%40Engine&subcatid=Belt+Tensioner@@Belt+Tensioner&mode=PA

There are 2 parts involved. There is the tensioner assembly and there is the pulley. I am not sure what you mean but you need to see where the looseness is. That link above is for the whole assembly. They have a nice photo you can zoom in. You can also buy just the pulley part for about 20.00.
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1998 C230 330,000 miles (currently dead of second failed EIS, yours will fail too, turning you into the dealer's personal human cash machine)
1988 F150 144,000 miles (leaks all the colors of the rainbow)
Previous stars: 1981 Brava 210,000 miles, 1978 128 150,000 miles, 1977 B200 Van 175,000 miles, 1972 Vega (great, if rusty, car), 1972 Celica, 1986.5 Supra
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  #5  
Old 11-09-2008, 07:23 PM
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Location: Orlando, Fl
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cool thanks for that last post. i'll try my best to explain my problem. if you can tell me how to determine a bad tension pulley that may help. i first notice this problem with noise under the hood. once i popped the hood and inspected i saw idle pulley broken since then i have replaced that part.

further inspection and reading several posts on this site. i come to learn about the tension pulley. after repairing the idle pulley all the belts are very loose. i found the tension pulley and it's bolted on but can move freely left to right loosening the belt. if i grab the tension pulley and push it to the right it will tighten the belts but once i release the tension pulley it move to the left causing the belt to loosen up.

Does this mean that the i need a new tensioner assembly or is there a way to tighten it so the belts are tight.
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  #6  
Old 11-09-2008, 07:46 PM
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Well I have the 4 cyl not the 6 so I am not sure, but I think there is supposed to be a spring in there. I don't know how common it is for that to break. Hopefully someone who knows will let us know.
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1998 C230 330,000 miles (currently dead of second failed EIS, yours will fail too, turning you into the dealer's personal human cash machine)
1988 F150 144,000 miles (leaks all the colors of the rainbow)
Previous stars: 1981 Brava 210,000 miles, 1978 128 150,000 miles, 1977 B200 Van 175,000 miles, 1972 Vega (great, if rusty, car), 1972 Celica, 1986.5 Supra
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  #7  
Old 11-10-2008, 10:43 AM
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Can anyone anwer this question

Quote:
Originally Posted by mpolli View Post
Well I have the 4 cyl not the 6 so I am not sure, but I think there is supposed to be a spring in there. I don't know how common it is for that to break. Hopefully someone who knows will let us know.
Is there a link or anyone out there that can tell me how the the tensioner pulley works?
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1998 C-280 4 Dr Sedan, Black, Automatic
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  #8  
Old 11-10-2008, 12:36 PM
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Location: Seattle
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Yes, there are several links. All you have to do is use the magic power of search. Search on "C280 tensioner".
__________________
1998 C230 330,000 miles (currently dead of second failed EIS, yours will fail too, turning you into the dealer's personal human cash machine)
1988 F150 144,000 miles (leaks all the colors of the rainbow)
Previous stars: 1981 Brava 210,000 miles, 1978 128 150,000 miles, 1977 B200 Van 175,000 miles, 1972 Vega (great, if rusty, car), 1972 Celica, 1986.5 Supra
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  #9  
Old 11-10-2008, 01:54 PM
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Join Date: Nov 2008
Location: Orlando, Fl
Posts: 14
Hey thanks for the help. But I don't want you or anyone to thing that I not familar with that. I have tried the advance search and there are things on tensioner but not related to my problem.

the problem began with all my belts being loose to the point that i can slip them off with ease. i guess to rephrase the question, " to tighten my belt what do i do" cause i haven't found any information on this. the best info i have come across is having to do with the tensioner assembly. and when i go back to the car i'm able to move the pulley from left to the right. if i hold it to the right it tightens my belts. is there a way to tighten the assembly or does this mean i need a whole new assembly. ANYBODY
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1998 C-280 4 Dr Sedan, Black, Automatic
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  #10  
Old 11-10-2008, 02:04 PM
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Join Date: Sep 2004
Location: Seattle
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This thread has an explanation of the tensioner

oil leak and tensioner release on 99 c280

Your engine is a 112 so you might also search on 112 tensioner. 112 was in 98-00 C280
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1998 C230 330,000 miles (currently dead of second failed EIS, yours will fail too, turning you into the dealer's personal human cash machine)
1988 F150 144,000 miles (leaks all the colors of the rainbow)
Previous stars: 1981 Brava 210,000 miles, 1978 128 150,000 miles, 1977 B200 Van 175,000 miles, 1972 Vega (great, if rusty, car), 1972 Celica, 1986.5 Supra
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  #11  
Old 11-10-2008, 03:12 PM
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Location: Orlando, Fl
Posts: 14
hey mpolli thank you for your help. your cool and thank you for trying. i couldn't find anything cause the search or no one has posted anything like this under c280. hope this helpes other in the future.

Belt Tensioner for '93 190E 2.3

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1998 C-280 4 Dr Sedan, Black, Automatic
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