TexasMadMan

Here's my story. O7 LS2 vert with manual trans. 24k easy miles.

A couple of months ago while 125 miles out of town my check engine light came on and the car ran very rough while pulling away from a stop sign. Had car repaired and the problem was a broken exhaust valve spring. I've seen several posts about this problem with Z06 engines, but not much about broken springs on the LS2.

Since I have had the car repaired I've only put about 200 miles on it but I'm having a hard time bringing myself to drive very far out of town. If 1 spring breaks, what about 1 of 15 more?

Would you be gun shy? Are my fears warranted? Thanks.

okie08vette

I assume the shop inspected the other springs so I would not worry about it. Very possible to get one bad part out of thousands. Even if you went back and changed them all you could still get a bad one. Forget about it and enjoy the car.

4SUMERZ

It was just one in a million things that happened. The LS2 engines are near bullet proof. I have over 75K miles on mine, and have not had any issues with the engine, transmission or rear differential.
The only thing I replaced that was mechanical failure was the water pump at 30K miles.

We take it all over the place on thousand mile road trips, and I have never worried about having the LS2 fail me.

Just enjoy it and don't worry too much about it. If we worried about things that might happen in our future, we would stay in the house, and not step outside in the fear of getting injured or in a car accident, etc.
Enjoy life, it only happens once!

TerryL

To the OP title, 'unwarranted' should be the term so yes to that IMO. And no and no to the other questions. Even if they didn't check the other springs in that head which is something you should know anyway.

Tropicana

When I was younger, I was afraid to rev a motor over 3000rpm. I thought the whole point was to shift gears in order to keep the RPMs low or else disaster. I didn't know that lots of cars, especially 4-bangers really wake up beyond 5000rpm and some at around 8000rpm.

In my opinion, It's a Corvette. Drive it like one or trade it in.

HBsurfer

Sounds like a case of a bad part. Would not concern me at all. Stuff happens. My alternator went out at 25,000 miles. I assume it was flawed from the start. Just drive.

TexasMadMan

Thanks for the replies. I'll take the advice given and drive the car more. Thanks again.

extrapilot

This condition is rare, and happen a few times in our engine lab with LS1's though.
We did abuse these engines, because of the testing that we did, so we seen more than normal.
Once one would break, we would change the set.
When it did happen, the spring did not release the valve (dropped), so it was a easy repair.
We never ran LS2's in our lab, so I can not comment to much on them, but I think this is still very rare to happen on them as well.
I'm aware of this issue, since I've seen the problem, and DD my LS2, but if it happen to my car, I might just replace all the springs, only because it's that easy to do for me, and being a engine tech by trade.
I still think that it would be rare that another one would break again in your car.

jrose7004

I wouldn't be worried at all.

owc6

It's corrected now, yes?

Not to worry.

Drive and have fun.

JKHolman

+1 +1 +1

seijack

I totally agree, get that car out and put some miles on it. Have Fun!!!

Monty2007

I have an 07 LS2 Coupe Auto. Based on your avatar, the same color as yours with 36,000. Drive it. I wouldn't hesitate to take mine on a long trip at anytime.

Don-Vette

Man up and drive the car!!

COCO RICK

Hey, be careful, Lisa's reading this post.

windyC6

A broken valve spring is a don't happen very often kind a thing. I wouldn't worry about it either. But don't "assume" that the shop that repaired it checked the other springs out. Unless you know for sure that they disassembled the heads and checked each spring individually which is highly unlikely. Thats the only way to check for spring weakness that may be a problem. And lets face it....other than checking its tension, the only way to know a springs bad is after it breaks, so a visual inspection on all the springs would only indicate another broken one, and not necessarily one thats getting ready to break.

irok

no I wouldn't and your fears are unwarranted.springs are inexpensive and easily replaced.change all of them while your at it for peace of mind

extrapilot

mostly about the tech checking the other springs.
But there are tools that can check the tension when installed on the car, whether this is the case, I'm with you that I doubt that has happened, unless the OP saw this first hand.
Not every shop or tech will have these types of specialty tools in their tool boxes.

simplegto

If you know for sure that it has OEM springs you should be fine. If you bought the car used and there is a chance it has aftermarket springs you should change them all. Comp Cams had a bad batch of 918 beehive springs that cost a lot of LS2 owners their motors.

http://www.ls2.com/forums/showthread...Spring-Failure

owc6

Which one?

I think about half of the gals, in both the C6 and C7 forums, are named Lisa.