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Coolant leaking #297738
May 01, 2009 02:33 am UTC
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Jules Levesque Offline OP
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Hey guys.

I'm thinking its a head gasket... not to sure here is what I've noticed. When i first start the car and let it warm up, once its warm and i floor it my buddies say white smoke comes out. once its been a while I've been driving around it barely smokes white , to not even any. the car does not over heat.

i did see some coolant slowing coming down from the side of the exhaust manifold (while i was changing my alternator). but cannot find the source. i would like some advice from the people who have more experience of course. don't want to change a head gasket and all other gaskets needed to get there if that's not the problem. Also i do not have to add coolant regularly. have had the car for 2-3weeks now and its all good for fluids.


Thanks a lot

Jules

Last edited by Jules Levesque; May 01, 2009 02:34 am UTC.
Re: Coolant leaking [Re: Jules Levesque] #297740
May 01, 2009 02:42 am UTC
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Originally Posted by Jules Levesque
i did see some coolant slowing coming down from the side of the exhaust manifold (while i was changing my alternator). but cannot find the source.


check the coolant line that routes behind the O2 housing. It's a metal line that goes from the thermostat to the oil filter housing. It could be leaking from there.


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Re: Coolant leaking [Re: Ju Chen] #297745
May 01, 2009 04:05 am UTC
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Yeah, the external leak won't be related to it getting into the cylinders.

If it's not overheating, and you're not losing coolant, that's enough proof that there isn't a problem.

To me this sounds like valve seals.
Do you go through much oil?
Check if it's actually oil. Idle the car and warm it up, then give it some gas.

It could be fuel - do a boost leak test.
Also, the car will run more rich before it's fully warmed up (and I mean more than just a few minutes).


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Re: Coolant leaking [Re: Rob Strelecki] #297755
May 01, 2009 11:25 am UTC
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okay i will check all that. I'm pretty sure its coolant tho , because it was green what I seen sliding down my engine.

No I dont burn much oil other then what comes out of my Oil cap/Dip stick.

i was under there changing the alternator and the engine is disgusting. like a nice layer of oil/coolant on it lol.


i was wondering do i have any thing to worry about if i spray degreaser all over it and pressure wash it. ( due to electrical wires and all)? If not what product do you recommend? cleaning it might give me a better idea of things.


Re: Coolant leaking [Re: Jules Levesque] #297757
May 01, 2009 12:36 pm UTC
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I don't recommend pressure washing your engnie bay, Jules. That's a recipe for disaster. wink


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Re: Coolant leaking [Re: Gates Perry] #297773
May 01, 2009 03:35 pm UTC
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okay so how would i clean it? just by hand ?

Re: Coolant leaking [Re: Jules Levesque] #297783
May 01, 2009 04:26 pm UTC
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Originally Posted by Jules Levesque
okay i will check all that. I'm pretty sure its coolant tho , because it was green what I seen sliding down my engine.


Definitely the green leak is coolant, but I was referring to the smoke from your exhaust.

If you want to check the condition of the motor & head gasket, do a compression test and/or a leak-down test.

You can clean with a power washer but it's a lot of work to mask off all the electricals. You'd have to bag everything up.
Well, even washing with a garden hose you should be careful of that.
Degreaser and a rag is the safest way.

Re: Coolant leaking [Re: Rob Strelecki] #297787
May 01, 2009 04:39 pm UTC
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i did compression test Rob,

its

175 175 130 175

i already poured oil into it and figured it was a piston ring because it jumped up to 175.

what i want to fix for now is the coolant leaking, whats cause white smoke when i floor it.

im not fixing the compression im going to drive the engine til it dies because i have a 7 bolt and then do a 6 bolt swap.



Like i said no over heating issues. I have only done 1000km with the car. Oil and Coolant look like they are not loosing ALOT.


Can it be a Head Gasket?

will check those things mentioned above when its nicer out side.

Re: Coolant leaking [Re: Jules Levesque] #297789
May 01, 2009 04:46 pm UTC
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My point was: The smoke is not necessarily coolant. From my experience on a DSM it usually is not coolant (especially since you are not having any symptoms of cooling system problems).

Re: Coolant leaking [Re: Rob Strelecki] #297808
May 01, 2009 07:26 pm UTC
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so what do u think it is ? Oil? wouldnt that smoke black ?

what should i check?



Re: Coolant leaking [Re: Jules Levesque] #297810
May 01, 2009 07:35 pm UTC
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- Excess fuel due to a boost leak (look it up and do a boost leak test).

- Oil from leaky valve seals.

- Oil from blow-by due to your low compression.

There are reasons any of these might only happen when you first get on the gas.
Boost leaks are very common so I'd check that first.
If that's not it, just keep your eye on the oil and coolant situation. Fix all your leaks and see which level is still dropping over time.

Re: Coolant leaking [Re: Rob Strelecki] #297816
May 01, 2009 08:42 pm UTC
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k i got some more info guys.


first of all it smokes white ALOT. Like seafoam lol

Okay i have a couple pics and a video.

this is what i found. i stoped the car and it was smoking from under the hood. so i open it up and its oil that fell on the back tube of the 02 housing ( if u know what i mean ) so i drive my wife to town.

I come back do the same thing. i open the hood and well its dry there.... for now. then i rev the engine ( white smoke out the tail pipe.) and i see oil AGAIN on the 02 housing. and now its spreading down towards the alternator. i cannot see it dripping.

Oh and my oil fittings on my turbo ahve no oil on or around them


here are some pics and video

[Linked Image]
[Linked Image]

Video


http://s283.photobucket.com/albums/kk289/aCx85/?action=view&current=MOV03066.flv






Last edited by Jules Levesque; May 01, 2009 08:46 pm UTC.
Re: Coolant leaking [Re: Jules Levesque] #297820
May 01, 2009 09:41 pm UTC
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if it was oil i was burning wouldnt that make a blueish smoke ?


thought white was antifreeze or water

Re: Coolant leaking [Re: Jules Levesque] #297821
May 01, 2009 09:47 pm UTC
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The best thing to do is smell it.
Fuel, oil and coolant each have a very distinct smell.
They can all look very similar in a cloud, though.

In the video that just looks like exhaust leaks.

In the pictures I'd say you probably have coolant hoses leaking and you have to do something about your valve cover and dip stick too.

Re: Coolant leaking [Re: Rob Strelecki] #297822
May 01, 2009 09:52 pm UTC
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ya that in the proccess Rob ordered stuff, should be in today or next week.


i know its not fuel... its oil or coolant. but its hard to say under the hood its oil i believe unless coolant can make sh!t that nasty , think and greasy , smoke like that. ( id have to find out both the smells laugh ) the white smoke im not sure.


from where its leaking your thinking exhaust? as in my exhaust gasket?

any house pass under the exhaust manifold ?i can take more pics if needed / Videos


so my best bet would be full head gasket set ? tri layer?

Last edited by Jules Levesque; May 01, 2009 09:54 pm UTC.
Re: Coolant leaking [Re: Jules Levesque] #297833
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will a leak down test indicate where im leaking ?

Re: Coolant leaking [Re: Jules Levesque] #297880
May 02, 2009 01:23 pm UTC
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so this morning i look at my coolant reservoir and it was pretty low. I go bring my wife to work and i come back ( used the talon ) and now its back up?


is that normal? like in the morning that its low and when i go drive it and check it after i turn the car off that its back to the high point ?

Re: Coolant leaking [Re: Jules Levesque] #297881
May 02, 2009 01:59 pm UTC
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Yes, reservoir is working.

It may be leaking where the water pipe meets the water pump. The pipe is between the block and the exhaust manifold, the connection is under the belts.

Leak down test probably wont help you yet. You ruled out the head gasket already. The only other things a leak down could tell you is a burned valve or leaking seals.

Coolant smells sweet when its burning.

Last edited by Andy McLeod; May 02, 2009 02:02 pm UTC.

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Re: Coolant leaking [Re: Jules Levesque] #297882
May 02, 2009 02:01 pm UTC
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sounds like the cylinder head is warped.

white smoke is most often burnt coolant. your cooling system, does it have pressure when full?
I would no longer drive that vehicle until it is repaired.

the head will need resurfacing. A multilayer gasket will require the deck of the block to be machined. Meaning the engine will need to come out. Not necessary.

Re: Coolant leaking [Re: Andy McLeod] #297883
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how did i rule out the head gasket?

Re: Coolant leaking [Re: Cesar Ito] #297884
May 02, 2009 02:03 pm UTC
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Originally Posted by Cesar Ito
sounds like the cylinder head is warped.

white smoke is most often burnt coolant. your cooling system, does it have pressure when full?
I would no longer drive that vehicle until it is repaired.

the head will need resurfacing. A multilayer gasket will require the deck of the block to be machined. Meaning the engine will need to come out. Not necessary.



how i check if it has pressure when full?

Re: Coolant leaking [Re: Jules Levesque] #297886
May 02, 2009 02:06 pm UTC
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Originally Posted by Jules Levesque
how did i rule out the head gasket?


You did a compression test. Only one cylinder lower then the rest, fixed by a small amount of oil tells me you just have some worn rings.
If you had 1 or more low readings that was not resolved by oil, then I would start to worry about the head gasket.

Last edited by Andy McLeod; May 02, 2009 02:07 pm UTC.

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Re: Coolant leaking [Re: Jules Levesque] #297887
May 02, 2009 02:13 pm UTC
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Originally Posted by Jules Levesque
Originally Posted by Cesar Ito
sounds like the cylinder head is warped.

white smoke is most often burnt coolant. your cooling system, does it have pressure when full?
I would no longer drive that vehicle until it is repaired.

the head will need resurfacing. A multilayer gasket will require the deck of the block to be machined. Meaning the engine will need to come out. Not necessary.



how i check if it has pressure when full?



http://www.benplace.com/pressure_test.htm

Don't bother testing the system until all the leaks are plugged.

A warped head is the last thing you will want to conclude.


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Re: Coolant leaking [Re: Jules Levesque] #297888
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some technician have a tool that has an attachment that resembles the rad cap. this tool will give you a pressure reading.

usually when the system is pressurized, after shutting the car off, and letting it sit for a while, you can CAREFULLY ( hot coolant can cause serious burns) open the rad cap with a towel or rag SLOWLY to hear the pressure hiss out.

This pressure raises the boiling point of the coolant.

This will probably not happen for you. It seems like the coolant is entering the combustion chamber though that cylinder with low compression, assuming the results were accurate.

you already seem to have all the tell tale signs of a blown gasket. Loss of power? I'm not sure where that oil you mentioned is coming from, it may or may not be related. Do you have oil pressure?

Re: Coolant leaking [Re: Andy McLeod] #297889
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you may want to consider that when the car is running there are greater cylinder pressures than during a compression test. Not to mention coolant flow and/or pressure. the coolant leak may not manifest during this test.

Or maybe its a cracked head. or block, but unlikely.

Re: Coolant leaking [Re: Cesar Ito] #297892
May 02, 2009 02:43 pm UTC
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its not oil im lossing im 99% sure its coolant. ive been checking my oil and its never gone down.

Re: Coolant leaking [Re: Cesar Ito] #297893
May 02, 2009 02:43 pm UTC
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Originally Posted by Cesar Ito
some technician have a tool that has an attachment that resembles the rad cap. this tool will give you a pressure reading.

usually when the system is pressurized, after shutting the car off, and letting it sit for a while, you can CAREFULLY ( hot coolant can cause serious burns) open the rad cap with a towel or rag SLOWLY to hear the pressure hiss out.

This pressure raises the boiling point of the coolant.

This will probably not happen for you. It seems like the coolant is entering the combustion chamber though that cylinder with low compression, assuming the results were accurate.

you already seem to have all the tell tale signs of a blown gasket. Loss of power? I'm not sure where that oil you mentioned is coming from, it may or may not be related. Do you have oil pressure?



as in my gauge in the car? what should it read? around where? the one next to the boost gauge ?

Re: Coolant leaking [Re: Cesar Ito] #297894
May 02, 2009 02:44 pm UTC
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Very true. You could also check the oil for coolant mixing into it if you do suspect a blown head gasket.

Last edited by Andy McLeod; May 02, 2009 02:45 pm UTC.

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Re: Coolant leaking [Re: Andy McLeod] #297895
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k i poped the hood and reved the engine and smoke seems to be smoking out of or around the last bolt on the manifold ( if standing in front of the car the very far left ) its very light . might be of coolant that is burning and smoking.


also from my manifold to the my oil pan it is NASTY like it has been never washed or ne thing. ill try and grab a video.




Re: Coolant leaking [Re: Jules Levesque] #297897
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One of the bolts on the exhaust manifold intersects with a coolant pathway... I can't remember exactly which one, I'm sure you could find it by searching. You wouldn't happen to be missing a bolt there, would you?


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Re: Coolant leaking [Re: Mark Bondy] #297898
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k guys here is the video. it smokes out of the manifold and when i rev it there bubbles around the manifold , on the top side cause thats what i can see.


can it be as simply as only the exhaust manifold? could i be losing coolant by there? ill be cleaning the engine bay later with engine degreaser ( which my buddy says is amazing ) and a hose. with all the nasty gunk gone i should be able to see something.

Video

http://s283.photobucket.com/albums/kk289/aCx85/?action=view&current=MOV03069.flv




Re: Coolant leaking [Re: Jules Levesque] #297916
May 02, 2009 07:13 pm UTC
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is it possible im leaking coolant out of my exhaust manifold?

Re: Coolant leaking [Re: Jules Levesque] #297922
May 02, 2009 07:39 pm UTC
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I think you are leaking exhaust out of your exhaust manifold.
Might there be coolant or oil in the exhaust, or maybe some unburnt fuel? Sure, but we can't tell you that from the video.

Re: Coolant leaking [Re: Rob Strelecki] #297930
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okay so i cleaned every thing with degreaser and i found where its wet first. and im assuming its a head gasket ( possibly others) so a head gasket set might help.

started to drip on the o2 housing like other pics just cant see from where its coming laugh

Pics:

[Linked Image]
[Linked Image]
[Linked Image]
[Linked Image]






Re: Coolant leaking [Re: Jules Levesque] #297932
May 02, 2009 09:51 pm UTC
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Is it not actually your valve cover gasket that's leaking?

Re: Coolant leaking [Re: Rob Strelecki] #297934
May 02, 2009 10:16 pm UTC
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no i think it like spit out and went up there. but i might be wrong laugh

there no leakage on the other side from the o2 housing towards the driver side.



Re: Coolant leaking [Re: Jules Levesque] #297937
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I think combustion is getting past the bad ring, pressurizing your crankcase and leaving through various places.
One being the valve cover gaskets.
Another being the breather hose (between the crankcase and the intake snorkel) - check the turbo compressor inlet, if it's wet with oil then that's why it's smoking when you first drive it after sitting.
It's also what pops the dipstick.

Do a leak down test or a cooling system pressure test, if you still suspect the head gasket. I wouldn't bother if it doesn't run hot or spit coolant. Just keep your eye on things so you don't overheat horribly if I'm wrong about this tongue

Also, please try and use your shift key smile

Re: Coolant leaking [Re: Rob Strelecki] #297953
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okay !

So Rod this is the situation. I just bought the car as a project car. My DD is a 02 Mazda Protege5. Its not over heating or anything like that so if its not a Head gasket what would you change. Like I said before I want to have fun. I plan doing a 6 bolt swap, but since this engine is mostly functional I want to drive it til it dies. I wanna mod it like if everything was good. Once engines blows I will swap a 6 bolt ( hopefully after the summer). What would you change, gasket wise? if thats the situation like your saying.


Turbo doesnt have any oil on it, other then the 02 housing.

I know im losing power with these situations, but am I losing ALOT?


Was going to get a head gasket set. but if I dont need the head gasket. then the job will be ALOT easier laugh

Last edited by Jules Levesque; May 03, 2009 01:01 am UTC.
Re: Coolant leaking [Re: Jules Levesque] #297955
May 03, 2009 01:09 am UTC
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Cornwall, ON
Louis Savard Offline
Serious Member
Louis Savard  Offline
Serious Member
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Joined: Apr 2009
Posts: 848
Cornwall, ON
Like Rob said, pull the intake pipe off of the turbo and check inside for oil deposits.

Seems that by the pictures you are leaking oil from the valve cover gasket.

Also, something easy to check is to pull the upper IC pipe that attaches to the throttle body elbow...if you see a little coolant in there, the FIAV seal is done. I had this happen to me and it got me swearing because I couldn't for the life of me find where I was losing coolant causing the white smoke/coolant burning smell.


Lou
The hunt for his and hers begins
Re: Coolant leaking [Re: Louis Savard] #297956
May 03, 2009 01:13 am UTC
May 03, 2009 01:13 am UTC
Joined: Apr 2009
Posts: 388
Quebec
J
Jules Levesque Offline OP
Serious Member
Jules Levesque  Offline OP
Serious Member
J
Joined: Apr 2009
Posts: 388
Quebec
I will do that and check for shaft play at the same time laugh

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