|  Help!!!, Mercedes MBE900 | 
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|  Help!!!, Mercedes MBE900 | 
|  Aug 8 2017, 05:28 PM 
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| Advanced Member   Group: Advanced Members Posts: 412 Joined: 26-August 09 From: Mathews Va Member No.: 6,032  | 
				https://flic.kr/p/WVFGfS Any help is appreciated. This is the 6th time I'm doing this job. The bolts for the fan belt tensioner mount keep breaking. I'm out of ideas. I have replaced everything. I've tried different grade bolts and even studs. I think the problem is with the metal surface you can see breaking away at the 2 bolt holes. If that's the case it will require a new engine as it is part of the block and not a cover. Any ideas or advice? The fan hub turns freely and is working properly. That's all this belt runs. | 
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 rocky   Help!!!   Aug 8 2017, 05:28 PM
 rocky   Help!!!   Aug 8 2017, 05:28 PM 
  nape   Is it a clutch fan? Fan clutch not disengaging at ...   Aug 9 2017, 09:16 PM
 nape   Is it a clutch fan? Fan clutch not disengaging at ...   Aug 9 2017, 09:16 PM
 
  00SSHarrison   QUOTE (nape @ Aug 9 2017, 09:16 PM) Is it...   Aug 10 2017, 04:59 AM
 00SSHarrison   QUOTE (nape @ Aug 9 2017, 09:16 PM) Is it...   Aug 10 2017, 04:59 AM 
  00SSHarrison   I tried to find some info on this but there is no ...   Aug 10 2017, 05:10 AM
 00SSHarrison   I tried to find some info on this but there is no ...   Aug 10 2017, 05:10 AM
 
  rocky   QUOTE (00SSHarrison @ Aug 10 2017, 01:10 ...   Aug 10 2017, 02:55 PM
 rocky   QUOTE (00SSHarrison @ Aug 10 2017, 01:10 ...   Aug 10 2017, 02:55 PM 
  trackbird   The bolts appear to be cracking from fatigue. To m...   Aug 10 2017, 11:24 AM
 trackbird   The bolts appear to be cracking from fatigue. To m...   Aug 10 2017, 11:24 AM
 
  rocky   QUOTE (trackbird @ Aug 10 2017, 07:24 AM)...   Aug 10 2017, 02:57 PM
 rocky   QUOTE (trackbird @ Aug 10 2017, 07:24 AM)...   Aug 10 2017, 02:57 PM 
  CrashTestDummy   Is the block aluminum?  If so, you should be able ...   Aug 10 2017, 12:47 PM
 CrashTestDummy   Is the block aluminum?  If so, you should be able ...   Aug 10 2017, 12:47 PM 
  mikedamageinc   Are electric fans an option?   Aug 10 2017, 02:41 PM
 mikedamageinc   Are electric fans an option?   Aug 10 2017, 02:41 PM 
  rocky   The block is not aluminum. Funny I said something ...   Aug 10 2017, 03:01 PM
 rocky   The block is not aluminum. Funny I said something ...   Aug 10 2017, 03:01 PM
 
  PeteL   QUOTE (rocky @ Aug 10 2017, 11:01 AM) The...   Aug 10 2017, 04:15 PM
 PeteL   QUOTE (rocky @ Aug 10 2017, 11:01 AM) The...   Aug 10 2017, 04:15 PM

 
  rocky   QUOTE (PeteL @ Aug 10 2017, 12:15 PM) QUO...   Aug 10 2017, 05:04 PM
 rocky   QUOTE (PeteL @ Aug 10 2017, 12:15 PM) QUO...   Aug 10 2017, 05:04 PM 
  trackbird   It's a little "hillbilly", but I won...   Aug 10 2017, 05:11 PM
 trackbird   It's a little "hillbilly", but I won...   Aug 10 2017, 05:11 PM 
  rocky   Hmm I did not think of that either. It is back tog...   Aug 10 2017, 05:40 PM
 rocky   Hmm I did not think of that either. It is back tog...   Aug 10 2017, 05:40 PM 
  00SSHarrison   Do you know if the idle speed has been lowered? we...   Aug 11 2017, 05:27 AM
 00SSHarrison   Do you know if the idle speed has been lowered? we...   Aug 11 2017, 05:27 AM 
  rocky   It is idling at the same speed as the other ones I...   Aug 11 2017, 12:32 PM
 rocky   It is idling at the same speed as the other ones I...   Aug 11 2017, 12:32 PM 
  CrashTestDummy   And you've gone ahead and replaced the idler a...   Aug 11 2017, 02:06 PM
 CrashTestDummy   And you've gone ahead and replaced the idler a...   Aug 11 2017, 02:06 PM
 
  rocky   QUOTE (CrashTestDummy @ Aug 11 2017, 10:0...   Aug 21 2017, 03:39 PM
 rocky   QUOTE (CrashTestDummy @ Aug 11 2017, 10:0...   Aug 21 2017, 03:39 PM

 
  CrashTestDummy   QUOTE (rocky @ Aug 21 2017, 10:39 AM) QUO...   Aug 22 2017, 01:52 AM
 CrashTestDummy   QUOTE (rocky @ Aug 21 2017, 10:39 AM) QUO...   Aug 22 2017, 01:52 AM 
  Ojustracing   One last thing.  Does this truck idle with no surg...   Aug 22 2017, 01:08 PM
 Ojustracing   One last thing.  Does this truck idle with no surg...   Aug 22 2017, 01:08 PM 
  rocky   Yes from what I can see it runs just as smooth as ...   Aug 22 2017, 03:10 PM
 rocky   Yes from what I can see it runs just as smooth as ...   Aug 22 2017, 03:10 PM|   | 
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