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Junkyardspecial

10+ Year Contributor
194
1
May 23, 2011
Affton, Missouri
My talon TSI decided to give me its last driving miles yesterday. It started a bad misfire and ran like a subaru. I got to work, and then drove it home to let it sit overnight. It wouldnt idle well, but it ran fine minus the lack of boost. I wake up to a huge puddle of oil under the car and limp it to my friends shop. We do a compression test which reads
1- 60-90
2- 100
3-100
The way it pushes oil out it looks like rings or cracked block.

We didnt bother with the 4th, because that right there told us the engine was toast. This car has a lot of nice parts on it, and is in spectacular shape so I would hate to kill it. I do not have the money for a rebuild as I am moving to another state soon. From what we could diagnoised this sounds serious. Unless there is something we forgot? Any hints will be used right now otherwise its a total loss and the car will be parted out.
 
low compression could be due to bent valve also.. you need to find out exactly where the oil is coming from. maybe a bolt backed out or fell out causing the leak.. first step is to find the leak..then go from there. might be simpler than you expect.


Steve
 
The oil is coming from the timing side, Also turbo pipes are caked in oil I mean SOAKED. I would love to keep this, I am looking for a new engine all day today, but like I said I am leaving the state and need to get this taken care of somehow.

Doing a leakdown test later today.
 
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Did you do the compression test with a cold or hot engine? You need to do it with a warm engine. Poor a little oil in the cylinders and do the compression test and see if the numbers go up, that will tell you if its the rings or something else. Low compression doesn't sound like it has anything to do with the oil leak, blow by maybe, but not like what that sounds like.
 
Did you do the compression test with a cold or hot engine? You need to do it with a warm engine. Poor a little oil in the cylinders and do the compression test and see if the numbers go up, that will tell you if its the rings or something else. Low compression doesn't sound like it has anything to do with the oil leak, blow by maybe, but not like what that sounds like.

It was warm. I had oil coming out of my j pipe, dipstick and block somewhere, and itsn ever happened before.
 
If you are in a hurry find a used engine and swap it. or put it on hold and take it with you somehow...
 
If you can find a good replacement engine for a price you're looking to get one for, then keep it :)

If you can't find a better engine within a reasonable amount of time, then move on :(

With the money it would take to transport it with a trailer, on top of fixing it, on top of all the little extra costs it's probably not worth it all. Hopefully you can get enough money from it to buy another one wherever you're moving to :D Then someone gets a project car that they want, and you get another dsm to have fun with, and you're not paying an arm and a leg to make it happen :)

Just my .02
 
Well ive found a new(used, bone stock) engine locally for 550, I will be checking it over soon but I think thats the route im going to go, If not I will be moving on. Thanks for all your suggestions. Wish I had a few grand saved up to do a build.
 
Hope you can get the engine, it'd be a shame to see yet another DSM go away. We need to keep as many around as possible.

what is the compression ratio for stock pistons n/t? does anyone know off hand? sorry about the random question.
 
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Yeah looks light a rebuild, low compression with oil blowing out of your did stick means your rings are sealing well anymore.
 
SO from the symptoms and 5 locals guys we came up with Oil pump failure. They said it could cause future engine problems if I just replace the pump so it would be better and easier to get a new motor. I guess my DSM finally started acting like a DSM. I plan on giving this a good home if I do part ways, I found a few local buyers offering a good amount if I get fed up with it but ive done motor swaps before in worse cars.
 
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