Alright Techheads,

2006 Cobalt SS/SC 2.0 LSJ
You all know the car I'm talking about.
Took it into the dealer with a major knocking in the engine and they said that I threw a rod.
Honestly, can't even tell you what that means.
I have mechanic friends so I don't lack assistance in that area and I don't have any problem getting dirty/turning a wrench.
Need to know if this can even be fixed and what would be involved.
Can't really afford a whole new engine right now.

 

YOU SURE YOUR THROWING A ROD?? CUZ WE HAVE FORGED RODS STOCK.. I HAVENT HEARD OF ANYONE ON HERE THROWING A ROD

 

Umm if you broke the rod your liner and piston are probally toast, if you spun the bearing, that can be fixed pretty easily.

 

Beginning of the evening some guy told me that he heard some "lower end noise" that started as a tick which ended up as a clack and loss of power by the time I got home that night. Car will still run and move enough for me to get it on the trailer.
I know it's all but impossible for you guys to help with my audio play by play. I'm just trying to give as much info as possible.

All help is appreciated. Anything else, will be reported. I'm not in the mood.

 

******* sucks man. GL with all that.

 

#4 piston. probably cracked or chipped. i had the same problem starting with a ticking noise with lose powere and then it start to get even louder and then after that it started to sound like an sti

 

How would you go about checking if something like this happened? Would you throw a CEL?

 

Uhm, that slightly irritating sound of metal doing something it's not supposed to coming from the engine bay?

But seriously, I know I'm going to have to tear it down to really know what's wrong.
I was just trying to get the answer to the kind of work involved with a "thrown rod".
Somebody told me I'd have to replace the head.

 

crank. bearings. rods. piston should be fine. you won't know the full extent untill the pan and main girdle come off

 

well it sounds like he continued to run it so its possible the crank is toast as well now ("it started to lose power")

you (the op) are lookin at a full rebuild (bottom end) or a used/replacement engine (short block)

but like you already stated no one will know till it is dissasembled and checked sry to hear and gl


drop your oil see if theres metal shavings in it

 

good time to upgrade you internals

 

It depends, you have to look. If you "threw a rod" that means it snapped in pieces, came off of the piston or crankshaft, or both and was "thrown" somewhere. A lot of cars throw rods right through the block or oil pan.

It depends on what you see when you take it all apart as to what must be replaced. If it's a 2006, wouldn't this be under warranty? If so, let them fix it for free and be done with it.

 

There is that small detail of demodding before taking it in.
I didn't, therefore they won't cover.

 

demod it then take it to a different dealer. they wont know anything.

 

Already been discussed. Need to get with all my guys to see what stock parts I can find.
Man that job is gonna suck!

 

no easy way to say it: motor is toast if it is as you described. 1500 bucks plus shipping gets you a new complete drop in motor from me, a qualified motor with 10 hours of racing on it...not trying to profit from your misfortune, just giving you options to think about ....saturn42 on the other forum bought one from me so you can check with him if thats the route you need to take...good luck otherwise, try to get it covered on warranty....

 

i have quick question was any body watching oil pressure when this stuff went down cuz i have a small tick that is slowwly developing towards the bottom end and i dont know what it is because it only happens once in a while it dont happen every day so i dont no what to think

 

That's a ridiculously good price for a whole engine. o.O