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Old 05-04-2008, 10:19 PM   #1
wrx-bahrain
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Member#: 155303
Join Date: Jul 2007
Location: Bahrain
Vehicle:
02 WRX
Silver

Exclamation Extremely Loud Knocking Noise!

I know a lot of you are going to call me upright stupid for this mistake that I made today, but I regret it badly. I was on my way to a race, when a realized that my "check oil" light flashed; I ignored it and it left. I raced a Golf GTi with my 2.0 Subaru WRX (2002). There was a lot of RPM involved. However after the race, I started hearing a weird noise, it sounded like my exhaust was vibrating- I switched my AC on and my car stopped completely. Notice: my battery has been extremely weak for a few days. Me and a few guys try to push the car and start it, however it would try to start and then jerk back to a complete stop. We tried starting it a few times, and it would still not start. I checked the engine oil and found out that there was extremely low oil, so we towed the car to a garage (it was night time, and it wasn't open), so we decided to buy 10W40 Liqui Moly Oil and filled the engine oil up. This time, it felt as if the car was trying to start. We got jumper cables and finally the car started. However, when the car was on, there was a noise as if something was hitting something else, and the main engine block was shaking. The noise would increase as I accelerated while it was in Neutral. It was sort of like a loud knocking sound. I switched my car off.

The garages are still closed as this just happened a few hours ago.
Could someone please tell me what they think this is, and whether it could be serious!
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Last edited by wrx-bahrain; 05-04-2008 at 10:26 PM.
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Old 05-04-2008, 10:35 PM   #2
RexyGirl
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Join Date: Jun 2004
Chapter/Region: South East
Location: Mastro Subaru, Sanford FL
Vehicle:
1996 Volvo 850 Turbo
with mods :)

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Quote:
Originally Posted by wrx-bahrain View Post
I know a lot of you are going to call me upright stupid for this mistake that I made today, but I regret it badly. I was on my way to a race, when a realized that my "check oil" light flashed; I ignored it and it left. I raced a Golf GTi with my 2.0 Subaru WRX (2002). There was a lot of RPM involved. However after the race, I started hearing a weird noise, it sounded like my exhaust was vibrating- I switched my AC on and my car stopped completely. Notice: my battery has been extremely weak for a few days. Me and a few guys try to push the car and start it, however it would try to start and then jerk back to a complete stop. We tried starting it a few times, and it would still not start. I checked the engine oil and found out that there was extremely low oil, so we towed the car to a garage (it was night time, and it wasn't open), so we decided to buy 10W40 Liqui Moly Oil and filled the engine oil up. This time, it felt as if the car was trying to start. We got jumper cables and finally the car started. However, when the car was on, there was a noise as if something was hitting something else, and the main engine block was shaking. The noise would increase as I accelerated while it was in Neutral. It was sort of like a loud knocking sound. I switched my car off.

The garages are still closed as this just happened a few hours ago.
Could someone please tell me what they think this is, and whether it could be serious!
Sounds like you put a rod thru the block...

Your vehicle was low on oil, you drove it, at high RPM's no less, and put a rod thru the block

Be prepared...it's a costly repair, YES, it is serious, and don't expect it to be covered under warranty
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Old 05-04-2008, 10:47 PM   #3
wrx-bahrain
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02 WRX
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my car doesn't have warranty anyway; but the car still starts? Isn't it true that if I put a rod through the block or blew the pistons, the car wouldn't start at all? *hopeful*
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Old 05-05-2008, 07:11 AM   #4
wrx-bahrain
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So I took it to the garage today, and they said they're going to have to take out my engine and have a look at it. The guy presumes it has something to do with the crankshaft:S
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Old 05-05-2008, 08:19 AM   #5
Arctic Penguin
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blew it up

is a good place to start
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Old 05-05-2008, 06:46 PM   #6
Brighton
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Rod bearing, I know the sound painfully well. Start shopping for a new motor, it'll cost less or the same as having your current one rebuilt.
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Old 05-05-2008, 08:16 PM   #7
RexyGirl
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Member#: 63616
Join Date: Jun 2004
Chapter/Region: South East
Location: Mastro Subaru, Sanford FL
Vehicle:
1996 Volvo 850 Turbo
with mods :)

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What kind of oil were you using before this started?

Just curious....
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Old 05-05-2008, 08:31 PM   #8
wrx-bahrain
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Well there was hardly any oil left, but before this I was using 10W40 Mobil...
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Old 05-05-2008, 09:37 PM   #9
RexyGirl
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Member#: 63616
Join Date: Jun 2004
Chapter/Region: South East
Location: Mastro Subaru, Sanford FL
Vehicle:
1996 Volvo 850 Turbo
with mods :)

Default

Quote:
Originally Posted by wrx-bahrain View Post
Well there was hardly any oil left, but before this I was using 10W40 Mobil...
Mobil 1 ?????
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Old 05-06-2008, 07:56 PM   #10
wrx-bahrain
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02 WRX
Silver

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To be quite honest, I don't remember but I think it was Liqui Moly.

Anyways guys, I just back from the garage and I got extremely bad news..heh
He said that my crank shaft was broken and that a lot of things need to be changed but over all I've got to pay about $1600 to fix it all.

Here's how he's priced it.

-Used Crankshaft and connecting rods - $740
- Bearing & Main Bearing - $132
- Overall Gasket Kit - $100
- Piston Rings - $127
- Oil Pump - $172
- Spark Plugs - $47
- Oil & Filter + Coolant - $47

and the labor charge is $420

What do you guys think of the above prices.. do you think I could get a better rate anywhere online WITH shipping?
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Old 05-06-2008, 08:29 PM   #11
JamesWilson
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Sounds extremely cheap to me....is that in US dollars?
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Old 05-06-2008, 08:33 PM   #12
wrx-bahrain
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02 WRX
Silver

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yep usd
im in bahrain .. the middle east:s things are pretty cheap down here..but the used crankshaft is pretty pricey!:S
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