Today I power washed my engine and bay and when I started the car i noticed the engine was knocking. I dont think it had anything to do with washing it but i just happened to have the hood open standing there you know but anyways its coming from the bottem half of the engine I dont think its a rod or lifters or anything like that because it still starts and idles fine. It gets louder as you rev the engine but its not loud enough to hear inside the car. It does seem to not pull as hard however but not that noticable it could be the hot humid weather. Any ideas on what it might be. I can try and record what it sounds like if that would help but any ideas. Thanks!

 

maybe a spun bearing?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by LudeyKrus &raquo;</TD></TR><TR><TD CLASS="quote">maybe a spun bearing?</TD></TR></TABLE>

Also pull your spark plugs and check if you got water down in any of them.

To check for a spun bearing have someone use either a stethoscope (sp?) or a long screwdriver to locate the source of the knock.If coming from the bottom of the engine it unfortunately may be a spun bearing.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 92LudeSI &raquo;</TD></TR><TR><TD CLASS="quote">Today I power washed my engine and bay and when I started the car i noticed the engine was knocking. I dont think it had anything to do with washing it but i just happened to have the hood open standing there you know but anyways its coming from the bottem half of the engine I dont think its a rod or lifters or anything like that because it still starts and idles fine. It gets louder as you rev the engine but its not loud enough to hear inside the car. It does seem to not pull as hard however but not that noticable it could be the hot humid weather. Any ideas on what it might be. I can try and record what it sounds like if that would help but any ideas. Thanks!</TD></TR></TABLE>


well, thats what mine did and it now has a spun bearing

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by CHK4TIX &raquo;</TD></TR><TR><TD CLASS="quote">


well, thats what mine did and it now has a spun bearing</TD></TR></TABLE>

that is what it is

 

spun bearing also my guess. i would take it apart and look at it.

 

Well its a good thing you dont have to work tommorow

 

haha ill work on your motor and then you can help me do my clutch

 

Forgive me for being less than knowledgeable on this subject, but what is a 'spun bearing' and how and why would it happen?

Grape

 

a spun bearing is were either the main bearing or pistons bearings, which are two metal () that go between the crank and what attaches to the crank. The main thing that causes bearings to wear out is friction and heat. So for instance when the bearing starts to wear out between the piston and the crank, it makes a gap. When this gap get larger, the piston is forced down by the power stroke and it hits the crank causing a knocking sound.


If anyone wants to correct me on this or add more, please do so

 

the h23's have a habit of spinning bearings...

 

So do you guys think this is just from the 160K on the motor or from washing it?

 

i bet its from the 160,000 miles of hard driving. my h23 spun the #3 piston bearing at 113000 miles.

 

Thank you. I'm still relatively new at all this, I was a truck guy recently converted, and the technologies are very much different. For that reason, the only info I have is about what has gone wrong in my car, haha.

Grape