00deville jake Posted August 6, 2011 Author Report Share Posted August 6, 2011 yes that sounds right coolant wasnt change till last summer when i start having problems and why i put so little mils on it is i have a work van and drive tht all the time and the cadi sits in the gagare Link to comment Share on other sites More sharing options...
00deville jake Posted August 6, 2011 Author Report Share Posted August 6, 2011 i aslo forgot to tell u guys that it as a small oil leak at the back middle of the engine started find small oil puddles shortly after the overheating started Link to comment Share on other sites More sharing options...
rockfangd Posted September 9, 2011 Report Share Posted September 9, 2011 dont shoot me for this but have cracks been noted in the block on certain years? Just made me think about that. Also have to mention that it seems weird that the valve cover gaskets already had to be changed GM FAN FOREVER Nice, clean, luxury= fine automobile Link to comment Share on other sites More sharing options...
Texas Jim Posted September 9, 2011 Report Share Posted September 9, 2011 dont shoot me for this but have cracks been noted in the block on certain years? Just made me think about that. Also have to mention that it seems weird that the valve cover gaskets already had to be changed I would tend to think that it is age causing the valve cover leaks... not mileage. It is 11 years old... Link to comment Share on other sites More sharing options...
Ranger Posted September 10, 2011 Report Share Posted September 10, 2011 dont shoot me for this but have cracks been noted in the block on certain years? Just made me think about that. Also have to mention that it seems weird that the valve cover gaskets already had to be changed Yes. 2000+. I know a local guy that does the HG repair for about $2000. He just finished his 100th. He said he has found enough that he quit counting and salvages blocks just for this reason. I was just at his shop about a week ago and he showed me one. Link to comment Share on other sites More sharing options...
rockfangd Posted September 10, 2011 Report Share Posted September 10, 2011 Thats what I was thinking. It seems the block is pretty thin in that area. Only on the 2000+ maybe. I have heard of that problem locally. its a scary thought. wasnt it on the back side toward the firewall? GM FAN FOREVER Nice, clean, luxury= fine automobile Link to comment Share on other sites More sharing options...
Ranger Posted September 11, 2011 Report Share Posted September 11, 2011 As I recall, most of the cracks are horizontally along the cylinders. Link to comment Share on other sites More sharing options...
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