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Knock Knock

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Old 07-13-2008, 01:42 PM
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Default Knock Knock

Well I recently put in a B18B with only 34000 miles on it and everything has been running great! UNTIL a couple days ago... I was driving to the movies with my wife and I noticed a very quite knocking sound when I give gas!? From right then I knew something was wrong....

Now it is getting progressively LOUDER! and it is def. coming from the block/head... (this sux...)

Any ideas?

Oil is good and no leaks...
Old 07-13-2008, 01:48 PM
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Default Re: Knock Knock (TXGrunt)

you have some rod knocking inside
Old 07-13-2008, 02:18 PM
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Default Re: Knock Knock (fmrprojects)

whos there?
Old 07-13-2008, 02:56 PM
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Default Re: Knock Knock (TXGrunt)

WHO'S THERE ?
Old 07-13-2008, 07:26 PM
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Default Re: Knock Knock (turbojdmhatch)

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

apparently some rod knocking....

Man this sux!
Old 07-13-2008, 07:52 PM
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Default

is it a knock or more of a tap ? a valve adjustment might make it go away. is it coming from the head or the bottom?
Old 07-13-2008, 07:56 PM
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Default Re: (Hanmin)

Does it do it while idling? Might help to figure out exactly where it's coming from. Use the 'ol screwdriver to the ear trick. Stock engine?
Old 07-13-2008, 08:06 PM
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Default Re: (macson)

It is stock and no it doesn't do it while idling. I did find where the knocking is coming from and it is inside the block...
Old 07-14-2008, 06:59 PM
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Default Re: (TXGrunt)

knocking usually always comes from the block,ticking comes from the head
Old 07-14-2008, 07:03 PM
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Default Re: Knock Knock (TXGrunt)

could be a belt not tight or your timing belt tensioner
Old 07-14-2008, 07:06 PM
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Default Re: Knock Knock (TXGrunt)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by TXGrunt &raquo;</TD></TR><TR><TD CLASS="quote">
Now it is getting progressively LOUDER! and it is def. coming from the block/head... (this sux...)

Any ideas?
</TD></TR></TABLE>

One good idea would be to stop driving it before you do serious damage to the block or head and have to replace the entire motor....

New piston/rod = $100 - $500
New Motor = $600 - $900
Keep driving the car to hear how loud it can get = Priceless
Old 07-14-2008, 07:09 PM
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Default Re: Knock Knock (LSej1)

definitely rod knock....
Old 07-14-2008, 07:51 PM
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Default Re: Knock Knock (LSej1)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by LSej1 &raquo;</TD></TR><TR><TD CLASS="quote">

One good idea would be to stop driving it before you do serious damage to the block or head and have to replace the entire motor....

New piston/rod = $100 - $500
New Motor = $600 - $900
Keep driving the car to hear how loud it can get = Priceless </TD></TR></TABLE>

Doesn't really make a difference, the motor's already shot from the sound of things - might as well just drive it into the ground while shopping for another motor...or rip it out and see what's damaged and if anything south of the head gasket is salvageable.
Old 07-16-2008, 02:12 PM
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Default Re: Knock Knock (Syndacate)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by LSej1 &raquo;</TD></TR><TR><TD CLASS="quote">

One good idea would be to stop driving it before you do serious damage to the block or head and have to replace the entire motor....

New piston/rod = $100 - $500
New Motor = $600 - $900
Keep driving the car to hear how loud it can get = Priceless </TD></TR></TABLE>


That last part? uuhhh it got really loud then it went to metal flying everywhere and then a HUGE! whole in the side of the block....


It was fun while it lasted
Old 07-21-2008, 06:16 AM
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Default Re: (turbojdmhatch)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by turbojdmhatch &raquo;</TD></TR><TR><TD CLASS="quote">knocking usually always comes from the block,ticking comes from the head </TD></TR></TABLE>

what if it started as a tiny tiny tap and became a loud knock??
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