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Old 10-17-2013, 01:55 PM   #1
neurosis05
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Default Engine sound at cold start

Started my 05 WRX this morning and heard a fast tick/knock. Shut off the engine and checked the oil and it was 1.5 QT. Added oil and sound was quieter. Took it for a drive and let it warm up and now it's gone. It was cold last night and the car was sitting for a couple of days. I imagine the oil was thick and the engine was low on oil that perhaps it was starved of oil?

Rotella T6 and Purolator 14460 is what I use. I am 2000 miles over due for a change. I've been busy
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Old 10-17-2013, 03:47 PM   #2
sg_halvorsen
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Probably just noise from oil starvation and old dirty oil. If it was fast higher pitch ticking it was your valves. Normal noise for low oil. Not a good noise but not horrible either. Change your oil and if it keeps up you may need a heavier weight. But then again it is getting cold so maybe just an oil additive like STP or Lucas to help keep the valves lubed.

Edit:

What weight oil do you use?

Last edited by sg_halvorsen; 10-18-2013 at 12:05 PM.
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Old 10-21-2013, 01:15 PM   #3
kaotic WeRX
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Quote:
Originally Posted by neurosis05 View Post
Started my 05 WRX this morning and heard a fast tick/knock. Shut off the engine and checked the oil and it was 1.5 QT. Added oil and sound was quieter. Took it for a drive and let it warm up and now it's gone. It was cold last night and the car was sitting for a couple of days. I imagine the oil was thick and the engine was low on oil that perhaps it was starved of oil?

Rotella T6 and Purolator 14460 is what I use. I am 2000 miles over due for a change. I've been busy
Regardless of how many miles you are overdue for an oil change doesn't negate the fact that you probably don't take the 30 seconds to check your oil when you're pumping gas. Oil level is far more important than any other oil requirement IMO. I go over all the time on Rotella, but i keep it full and haven't had problems.

If you were only at 1.5 qt total in engine, you need to look at your oil light when you turn it on. It's not there for show.. it should turn off while starting. if it begins to flicker then you're most likely running low.. if it doesn't turn on at all when you stick key in ignition, then you have almost no oil and shouldn't start car!!! You should also let the system prime at least for first start of the day, to ensure proper lubing of system. But ALWAYS check the level!!!!!!
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Old 10-22-2013, 11:12 AM   #4
ride5000
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Quote:
Originally Posted by kaotic WeRX View Post
You should also let the system prime at least for first start of the day, to ensure proper lubing of system.
curious how you would prime the oil system on a daily basis?
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Old 10-22-2013, 12:41 PM   #5
danger1138
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Removing the fuel pump fuse behind the coin tray.
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Old 10-22-2013, 03:10 PM   #6
ride5000
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every time you start?

i prime after oil filter changes.. but doing that every day would get pretty damned tedious.
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Old 10-22-2013, 03:25 PM   #7
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Quote:
Originally Posted by kaotic WeRX View Post
If you were only at 1.5 qt total in engine, you need to look at your oil light when you turn it on. It's not there for show.. it should turn off while starting. if it begins to flicker then you're most likely running low.. if it doesn't turn on at all when you stick key in ignition, then you have almost no oil and shouldn't start car!!!!


the oil light is for pressure, not volume. And IIRC it's set so stoopidly low (single digit PSI) as to be almost useless unless your sump just drained all over the freeway.

Please provide substantiated proof of the bolded part of your post...
Not running engine = no oil pump action = no oil pressure.

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Old 10-22-2013, 04:09 PM   #8
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Quote:
Originally Posted by ride5000 View Post
every time you start? i prime after oil filter changes.. but doing that every day would get pretty damned tedious.
When i used to live in a bad neighborhood, i would remove that fuse so as to prevent my car from being stolen, not sure how that would stop someone from just pushing it. I would also prime the car, everyday in the morning before i actually started the car. Kinda OCD but I stopped doing that now, i think that will mess with your starter eventually.
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Old 10-29-2013, 03:14 AM   #9
kaotic WeRX
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Quote:
Originally Posted by oaklandish_WRX View Post


the oil light is for pressure, not volume. And IIRC it's set so stoopidly low (single digit PSI) as to be almost useless unless your sump just drained all over the freeway.

Please provide substantiated proof of the bolded part of your post...
Not running engine = no oil pump action = no oil pressure.


Personal experience. I'll film it for you if you wanna send me 7k for the v7 swap. I admit to running really low on oil ( high miles, burns a lot between changes) and when I went to start the car, noticed no oil light w/ key in "on" position so i checked level. I don't know how long you have been wrenching but an oil light on startup is always something i pay attention to. In ALL my experiences a proper working system will have the light on in "on" position and then light will shut off during, or shortly after start.

I'm no genius but wouldn't pressure be somewhat reliant on volume?

Take my personal experience however you want. If you choose not to look at the light, then that's on you. But with lots of hard miles on my car, i'll continue to monitor my oil light on startup like i usually do, and you can continue believing it's just on when you put the key in to make sure the bulb works. Or you can do what I just did and turn to your owners manual (3-12) and read that if light does not come on it could indicate failure in the system. Which if oil, easiest thing to check would be level... so ya... take it how you want....

Last edited by kaotic WeRX; 10-29-2013 at 03:20 AM.
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Old 10-29-2013, 06:34 AM   #10
ride5000
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Quote:
Originally Posted by kaotic WeRX View Post

Personal experience. I'll film it for you if you wanna send me 7k for the v7 swap. I admit to running really low on oil ( high miles, burns a lot between changes) and when I went to start the car, noticed no oil light w/ key in "on" position so i checked level. I don't know how long you have been wrenching but an oil light on startup is always something i pay attention to. In ALL my experiences a proper working system will have the light on in "on" position and then light will shut off during, or shortly after start.

I'm no genius but wouldn't pressure be somewhat reliant on volume?

Take my personal experience however you want. If you choose not to look at the light, then that's on you. But with lots of hard miles on my car, i'll continue to monitor my oil light on startup like i usually do, and you can continue believing it's just on when you put the key in to make sure the bulb works. Or you can do what I just did and turn to your owners manual (3-12) and read that if light does not come on it could indicate failure in the system. Which if oil, easiest thing to check would be level... so ya... take it how you want....
wait.

Are you saying that the idiot oil light on the dash monitors oil _level?_

I'm having trouble following you.
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Old 10-29-2013, 06:46 AM   #11
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Quote:
Originally Posted by danger1138 View Post
Removing the fuel pump fuse behind the coin tray.

there is NO fuel pump fuse ANYWHERE in the car

there IS an 'IGN' fuse that controls the ignition and injectors...but NOT the fuel pump


the NEW cars....post GD chassis have an oil level light.....GD and older have oil pressure lights that come on when the engine is blown up


and only a TRUE idiot would pull the 'IGN' fuse for the first cold start of the day

maybe after being stored for a month or more....but.....every DAY???

seriously????

SERIOUSLY????

the most absurd thing that i have heard in years
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Old 10-29-2013, 07:15 AM   #12
ride5000
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Quote:
Originally Posted by Uncle Scotty View Post
the NEW cars....post GD chassis have an oil level light....
interesting. learn something every day!
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Old 10-29-2013, 07:15 AM   #13
Jessekrs123
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I properly prime my oil system every morning by starting the motor. Easy.

Who the hell has the time to disable ignition, crank the motor, re-enable ignition and start the car? By the time all that has taken place I bet your oil pressure is approaching 0 psi, and you're back to square one, and all that effort was for nothing.

Good lord you people have some pointless rituals.

And to the OP, let me answer your question quickly and efficiently instead of going into excessive, pointless detail about oil lights, v7 swaps, and non-existent fuel pump fuses.

If you start the car and it is cold, and there is a little knocking at the beginning, maybe for 2-3 seconds tops, it is more than likely just piston slap and you have nothing to worry about, as this is pretty common.

If the knocking persists, after the motor has had a little time to warm up then you can be worried.
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Old 10-29-2013, 09:47 AM   #14
Tizman
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It sounds like a typical engine starve sound. Id do an oil change when you get a chance, just to give the motor its "new breath". Burning oil is very normal in these motors, so i always make sure i do 3k oil changes so i dont go low.
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Old 11-01-2013, 09:42 AM   #15
danger1138
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Fuel pump fuse , ignition fuse.. U get my point.
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Old 11-01-2013, 10:38 AM   #16
02redwagone
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Quote:
Originally Posted by Tizman View Post
It sounds like a typical engine starve sound. Id do an oil change when you get a chance, just to give the motor its "new breath". Burning oil is very normal in these motors, so i always make sure i do 3k oil changes so i dont go low.

3k so you dont.... go low? That makes zero sense.

1. Keep it full. (I know...that is so inconvenient and hands onny)
2. Use a manly oil that can last three times more then 3k.
3. Sample your intervals so you might have an actual clue just WTF is really going on.
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Old 11-01-2013, 11:44 AM   #17
shamrock 05
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Quote:
Originally Posted by kaotic WeRX View Post
Regardless of how many miles you are overdue for an oil change doesn't negate the fact that you probably don't take the 30 seconds to check your oil when you're pumping gas. Oil level is far more important than any other oil requirement IMO. I go over all the time on Rotella, but i keep it full and haven't had problems.

If you were only at 1.5 qt total in engine, you need to look at your oil light when you turn it on. It's not there for show.. it should turn off while starting. if it begins to flicker then you're most likely running low.. if it doesn't turn on at all when you stick key in ignition, then you have almost no oil and shouldn't start car!!! You should also let the system prime at least for first start of the day, to ensure proper lubing of system. But ALWAYS check the level!!!!!!
Once your oil light comes on youe ****ed.....its set at like 5psi. So THATS why I have an oil pressure gauge.
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