Possible Blown Head Gasket- Need info
 

Ill try and keep it brief.2008 MS3 been smoking for last 2 months but only after car takes off.none on idle.I assumed it could be a bad turbo and swapped it for a rebuilt unit.Still has the same issue. Car still smokes just as before, at this point im going to look at Head gasket and get it tested by my mechanic tomorrow. If it does come down to that. What brand headgasket is good. Should I go single layer or multi layer?? Whats the advantage or disadvantage of getting a thicker than oem HEad gasket??? Any precautions that need to be taken?? Any help is appreciated

New headgasket? Prepare for anal rape if you're not doing it yourself.

Stock turbo? Not a head gasket.
Prepare for broken piston.

Smoke on acceleration normally points at piston rings right? Possibly a cracked ringland like tokay mentioned.

Stock turbo.compression is good.no loss of power at all.just mild smoke and fluids that have to be topped off regularly

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White smoke and coolant top off?

Yes smoke looks white according to what I can see through my rear view mirror and yeah coolant goes down. My coolant tank also turned Smokey black on the inside as if exhaust is flowing into it.smells that way too. Wasn't that way till I took the car on a long trip

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You may actually have the first failed hg in a stock block stock turbo car that I've heard of.

Maybe I'm wrong but looks like a few people have had that failure too on stock block stock turbo. God this car is gonna leave me in dept for life

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So any opinions on replacement hg?

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Is there oil in the coolant or coolant in the oil? Definitely not the normal way for these motors to go out.

Has the car ever overheated in the past? If so, it's possible the head is warped and preventing the HG from sealing.

Stock hg.
Stock head bolts.

No coolant in the oil and no obvious oil in coolant but definitely something funny getting into the coolant. Hard to explain.there is weird staining in the bottom of the coolant tank and black smoke stains on the rest of the tank that isn't filled with coolant

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They sell testers at auto parts stores that will tell you if there are combustion by-products in your coolant. That would tell you if you have a HG leak or not. They aren't very expensive either.

ill grab one tomorrow if my mechanic says he needs one to test. any sugestions about particular HG I could go for???

Yep.

Damn, I have a hard time believing it's the headgasket. Oem headstuds are fucking on there. Was the car modded before you bought it? Your sig says "tune in progress" has this just started or are you finished?

The car was definitely nodded before I bought it. Most likely with a big turbo swapped in at one time. It had an fmic for sure and fuel pump had at one time been swapped out. I never got to really finish the tune.its probably 95% done.

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My car had same issues. Smoked when I took off from a stoplight, no smoke while cruising or at idle. Did compression and was low on cylinder 2. Spark plug was covered in oil. Pretty certain its the ringland.

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As of two weeks ago checked compression and it's high.at same threshold as always. Plugs were clean properly taped too.

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My compression is factory spec, and I have a broken piston.
You say you're adding coolant though so...
Do a leak down and look for bubbles in the reservoir.

Wow.I didn't think that was possible at all

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yup. 180psi +/- 2psi, and 31% leak down on cyl 3.
it's why a compression compression test is actually pretty useless.

Late to this but ringlands for sure...

Well just took it apart. Cylinder #1 has oil on top of the piston.rest are clean and compression is significant up in all cylinders definitely oil residue in coolant tank. Its not looking good at all

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But not leak down test?

Why is it so damn hard to get a leak down test done? No one around here seems to know what a leak down test is :soapbox:

I know what it is.my own mechanic didn't have a leak down tester as he hasn't gotten to buying one yet. I'm gonna take it to a friend's dealership to have leak down and block test done too

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So weird how the compression went up so much from last time I did it

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Pretty sure I'm right there with you on this one, and I'm gonna have to tear the whole piece apart.

I meant I can't find anyone to do one for me haha.

You have the same problem?

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Yeah oil on plug number 2. White smoke/antifreeze smell out of the exhaust. Except I actually have oil on the top of my second cylinder. So I can't wait to see what's in store for me.

For a leak test all you need is an air compressor and two gauges. One for controlled air pressure and the other to test how much the cylinder is holding vs the controlled pressure.
heres how to build one that might save you some money or you might be able to rent one as well.
how to build one if you done have the money to buy one new
how its done


For your head gasket test you can go to the local autoparts store and get a tester and this is how the test is done. This the one that autozone rents but you will have to buy the fluid for about 10 bucks..


Your problem with your coolant COULD be a bad fan control switch. question have you ever noticed your fan still running after you have turned the car off? If so then that could be your coolant issue.

that doesn't sound good either.hows your compression?

yes my fan runs for about 10 seconds after I turn the car off if its a really hot day

My fan clicks on ALL the time for at least 10 seconds after I shut my car off.
I don't think that's the issue, and it's normal. The fan comes on at 217* with the car in or off.

I agree

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Im not sure that this is supposed to work like this unless there is something else wrong like low coolant or bad relay or something i have not had this with my speed since i have owned it..


Example
http://www.fixya.com/cars/t12418188-...an_doesnt_turn

Oem fan controller kicks on @ 217*..... And as tokay said, my car does the same after I shut it off on a hot day aka temps are @ 217*

my 1989 toyota v6 pickup would kick the fan on with the car off if the temp was up.