C-Class (W203) 2001-2007, C160, C180, C200, C220, C230, C240, C270, C280, C300, C320, C230K, C350, Coupe

Serpentine Belt Tensioner Question

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Old Aug 11, 2017 | 01:01 AM
  #1  
bobinyelm's Avatar
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C320, SLK230, T1N Sprinter
Serpentine Belt Tensioner Question

2002 C320 Wagon 87,000mi

The tensioner bearing is making some noise.

On some tensioners, it's possible to replace just the bearing, re-using the pulley and tensioner assembly.

On others, the pulley with bearing are available.

Anyone manage to just renew the bearing or pulley (since the tensioner complete is pricey and at 87k miles the original is fine but for the bearing.
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Old Aug 11, 2017 | 12:46 PM
  #2  
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C320, SLK230, T1N Sprinter
Originally Posted by Plutoe
There is a shifty guy in Bui dai china selling a bags of replacement ball bearings to folks that may fit your pocket---search Alibaba
Hmmm...

Usually there is a sealed ball bearing assy inside the pulley. Never found loose ball bearings.

If you're attempting to be humorous about my frugality, a $15 bearing beats a $75 assembly when the only problem is the bearing. Kinda' like only replacing the tire when it wears out vs buying a new mounted tire and wheel assembly.

But I suppose there are people who do that?
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Old Aug 14, 2017 | 12:47 AM
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From: Malaysia
W203 (2007), W120 (1962)
That was a good reply, Bob.
I can't understand some people's mentality in this forum.
If you have no clue to what is being inquired by a member, just shut up and pass on, instead of making rude remarks.
Shan.
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