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Knocking noise at low RPMs

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Old 06-25-2006, 11:33 AM
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Default Knocking noise at low RPMs

A couple days ago I was on the freeway and drove my car pretty hard. Everything was fine up until I got off and heard a loud knocking noise whenever I gave the car gas. I got it to the shop that I was going to (not for me, for a friend) and popped the hood and looked at it. I was low on oil so I added some.

Anyways, I've been trying to figure out what it is. Everything points to rod knock up until I drive the car in any gear above 2500 RPM. The knocking nearly goes away. And with rod knock, the noise should get louder as the RPMs go up. I'm thinking it's the pilot bearing. Anyone else have any ideas as to what it could be?

It's a d16y8.
Old 06-25-2006, 03:26 PM
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Default Re: Knocking noise at low RPMs (SOHC4life 96)

Bump. Up for suggestions on how to check what it might be without tearing the car apart...
Old 06-26-2006, 12:26 AM
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Default Re: Knocking noise at low RPMs (SOHC4life 96)

I dont know. In my friends probe when the motor threw a rod the nocking got softer as it was revved higher but eventually just got horrible.
Old 06-26-2006, 01:07 AM
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i blew the # 3 rod in my single coupe ex, but ya when i revedover 3 grand, it got softer eventually the rod blew threw the block. you must have been low on oil for a while + had lots of mileage?
Old 06-26-2006, 01:11 AM
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Default Re: Knocking noise at low RPMs (SOHC4life 96)

knocking sound constant at a constant rpm? Or does it get louder or softer depending on throttle?
Old 06-26-2006, 10:59 AM
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Default Re: Knocking noise at low RPMs (Br1anPham)

I found out it's rod knock. Maybe I'll do a write up on replacing a spun rod bearing...
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