[Z06] 03 Z06 2800 miles
11-02-2007, 11:13 PM
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03 Z06 2800 miles
My 2 week old baby with 28000 miles stopped running tonight .First I heard loud clicking then she stalled . Two blocks from home so I limpped her back and barely got there shes missing badly . Anyone know of common mechanical failure's .I was thinking maybe rocker's or valve spring .Someone help please gonna open her up tomorrow. codes po 171 po 174 po 300
Last edited by Bill Hilt; 11-03-2007 at 02:18 AM.
11-03-2007, 03:00 PM
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#4 cylinder broken intake valve spring. The valve is bent as far as I can tell .Hoping the piston isnt damaged . Where do I get the parts to fix this ? Gaskets valve springs best cost and quality stuff . I got to drive this car 6 times before this happend .Gonna fix it myself make it feel more like mine. 
11-03-2007, 05:54 PM
#6
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#4 cylinder broken intake valve spring. The valve is bent as far as I can tell .Hoping the piston isnt damaged . Where do I get the parts to fix this ? Gaskets valve springs best cost and quality stuff . I got to drive this car 6 times before this happend .Gonna fix it myself make it feel more like mine.
Gene at gmpartshouse should be able to help you get what you need.
11-03-2007, 11:43 PM
#7
Safety Car
#4 cylinder broken intake valve spring. The valve is bent as far as I can tell .Hoping the piston isnt damaged . Where do I get the parts to fix this ? Gaskets valve springs best cost and quality stuff . I got to drive this car 6 times before this happend .Gonna fix it myself make it feel more like mine.
Hope your motor is ok.
Just for our info, what month/yr was your car made? I've noticed that cars made in Calendar year 2002 seem to be most affected.
11-04-2007, 12:43 AM
#8
Le Mans Master
I would get some PRC dual valve springs from Texas Speed instead of the 918 singles that have had a lot of probels as of late. Also go with GM gaskets and bolts when putting the heads back on. Good luck, and get her fixed!
11-05-2007, 05:42 AM
#10
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I heard about the 26918 issues and went with a stock GM spring, same as the LS2, made recently (2007). The p/n changed in 2004. My theory is still that they had a bad run in calendar year 2002 and made a change.
The 2004 cars have had more than enough time now to accumulate more miles then the 2003's did back in early 2006 when I started noticing these threads (well, that was the first time I looked). If the cam is just too big for GM's springs, I would expect to see 2004's with this posting once and a while but I don't. I've never seen a single one.
11-05-2007, 06:00 AM
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my car was made 9/2002 BTW it was a little cold the night this happend .The car hadent warmed up and I was at idle when the tapping started. Now im just hoping the piston isnt damaged.
Last edited by Bill Hilt; 11-05-2007 at 06:02 AM.
11-05-2007, 07:13 AM
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How many '03 ZO6's have this problem? I mean is it something I should be expecting to happen? Mine hasn't even turned 20k miles yet. But this is concerning.
11-05-2007, 12:51 PM
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11-06-2007, 08:23 PM
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