Volvo 850 Made from 1993 to 1997, this Volvo line was available in both a wagon and a sedan, both with were graced with several trim levels.

Clunking = Collapsed intercooloer pipe?

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Old 02-26-2010, 11:48 AM
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Default Clunking = Collapsed intercooloer pipe?

Could it be? im 90% sure i have a collapsed intercooler pipe somewhere and my motor seems to be "clunking" Could this be the cause?

also will 100watt fog lights work in a 55 watt housing?]

edit would a vaccume leak cause you to have little boost?
 

Last edited by matt01; 02-26-2010 at 12:38 PM.
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Old 02-26-2010, 01:07 PM
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Not sure about the first one

Yes, although you might burn something or melt wires.

Yes
 
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Old 02-26-2010, 01:43 PM
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clunking could most likely be timing off?
 
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Old 02-26-2010, 02:07 PM
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Clunking = not good.

you need to determine if its coming from the top of the bottom of the motor. Use a hose, PVC pipe or something that you can put on your ear and listen.
 
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Old 02-26-2010, 03:56 PM
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OH! it could be a spring seat mount.
 
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Old 02-26-2010, 08:46 PM
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no, its from the motor, you hear it when im ideling in driveway. i dont think its anything serious, but id like to do a compression test on it.

Would a boost leak cause it to clunk?
 
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Old 02-26-2010, 09:01 PM
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A boost leak should not cause a clunk.
 
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Old 02-26-2010, 09:07 PM
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could bad wires or bad cap/rotor cause it, i just changed my timing belt but it clunked before that.
plugs are new.
 
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Old 02-26-2010, 09:18 PM
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i doubt it, probably a mount of some sort
 
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Old 02-26-2010, 10:48 PM
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could be.
If the clunk really was the motor would i get a check engine?
 
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Old 02-26-2010, 10:52 PM
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No you would not get a code.
 
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Old 02-27-2010, 04:25 PM
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anyways it probably is an engine mount, how many are there, upper and lower?

and the performance problem is probably a wastegate adjustment (i hope)
 
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Old 02-27-2010, 05:03 PM
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You have 3 lower mounts and 2 upper mounts.
 
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Old 02-27-2010, 05:04 PM
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Edit you also have 2 lower torque mounts from the tranny to the subframe.
 
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Old 02-28-2010, 06:13 PM
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how many of them are prone to knocking?

edit, does it happen often that wastegate loses adjustment?
 

Last edited by matt01; 02-28-2010 at 07:20 PM.
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Old 02-28-2010, 09:46 PM
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The R/S one will clunk if bad.

The WG will usually never go out of adjustment. It is usually someone that moves it.
 
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Old 02-28-2010, 09:56 PM
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my god i need a boost guage these POS GLT's/AWD dont come with one, so retarted that they didnt even come with the crappy cluster one, its not like the couldn't have easily bolted in a cluster off of a t5.
 
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Old 02-28-2010, 10:01 PM
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Originally Posted by matt01
my god i need a boost guage these POS GLT's/AWD dont come with one, so retarted that they didnt even come with the crappy cluster one, its not like the couldn't have easily bolted in a cluster off of a t5.
LOL I hear you
 
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Old 03-02-2010, 08:32 AM
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another quick off topic question, will a front door off of a sedan fit on my wagon?

edit: also my wastegate question... i dont have the time today to do it cause i work later, but i felt under the heat shield to the wastegate rod i though it was, and it seems completly loose, just by hand i could move it an inch in any direction.
 

Last edited by matt01; 03-02-2010 at 12:28 PM.
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Old 03-02-2010, 09:10 PM
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Pull the heat shield and inspect it.
I think so I would measure to double check.
 


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