Knocking noise with video
+ Reply to Thread
Results 1 to 3 of 3

This is a discussion on Knocking noise with video within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; I've been around the forum doing some troubleshooting and I can't quite figure out what's going on with this engine ...

  1. #1
    Registered User
    Join Date
    Apr 2009
    Location
    Denver, CO
    Posts
    14

    Knocking noise with video

    I've been around the forum doing some troubleshooting and I can't quite figure out what's going on with this engine noise. The video is at the bottom. Hopefully someone can listen and tell me.

    Here's the breakdown

    2004 WRX and it's a salvage title. I've gotten pretty much everything sorted out except for this one thing. There's 39k miles on it and as far as i know, the only mods are a lightened flywheel and the guy a got it from said there were cams in it. It does idle rough but certainly nothing like a 454 big block. There's also been a P0301 cylinder one misfire code popping up that I can't get to go away. I had it in to a subaru performance shop in denver and they fixed a couple vacuum leaks and gave it a basic tune. It put up 202 rwhp on the dyno so I figure all 4 cylinders have to fire but something tells me the timing is off. I put in a new MAF sensor, swapped out the plugs (even though none were fouled out), gave it some good fuel injector cleaner through 3 tanks, run 91 octane, and haven't raced it.

    I was really hoping to turn this into a rally car but if it turns out to be more trouble than it's worth, I might pawn it off on the next sucker and get a new one. My dad and I have a pretty extensive knowledge about cars but it's mostly been on carbureted motors. ECUs give me trouble. Is this something I can fix on my own or should I take it in to professionals? Or dump it..

    YouTube - WRX engine noise

  2. Remove Advertisements
    ClubWRX.net
    Advertisements
     

  3. #2
    Moderator Donkey's Avatar
    Join Date
    Apr 2005
    Location
    Da boonies
    Posts
    6,296
    I Support ClubWRX
    IF YOU HAVE A MISFIRE CODE ,PLEASE READ THIS!!!

    I'm not sure why it would have a flywheel and cams with not other mods. That sound is a rod knock.
    Resident Adviser @ WTF Tuning, LLC
    2002 FORESTER S
    1998 FORESTER S




  4. #3
    He simply abides. SD_GR's Avatar
    Join Date
    Jul 2002
    Location
    CA, US
    Posts
    22,963
    I Support ClubWRX
    If you're lucky it's a tensioner but it's more likely a rod.
    WRX Info Links, Courtesy TheJ
    Man is a brute.... If you're cruel to him, he respects and fears you. If you're kind to him, he plucks your eyes out. Alexis Zorbas
    I lied. I cheated. I bribed men to cover the crimes of other men. I am an accessory to murder. But the most damning thing of all... I think I can live with it. And if I had to do it all over again - I would. Benjamin Sisko
    DISCLAIMER: Opinions expressed are the author's alone and are inherently worthless.

+ Reply to Thread

Quick Reply Quick Reply

Register Now

Please enter the name by which you would like to log-in and be known on this site.
If you do not want to register, fill this field only and the name will be used as user name for your post.

Please enter a password for your user account. Note that passwords are case-sensitive.

Please enter a valid email address for yourself. We strongly suggest that you stay away from using aol, yahoo, msn, and hotmail accounts. Sometimes the mail server blocks the emails from our server. As a result you will not receive any notifications including the confirmation email.

Log-in

Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.


Posting Permissions

  • You may post new threads
  • You may post replies
  • You may not post attachments
  • You may not edit your posts
  •