Manifold/header/muffler/tail Pipe problems of the 2008 Chevrolet Trailblazer

The exhaust manifold in my 2008 chevy Trailblazer has broken now three times. The chevy dealer has changed the manifold twice for free but now they no longer want to pay for it plus I asked if they have made a change to the cast iron manifold and they tell me the part number changed in 2011 but my failures have occurred since then so I know the replacement manifold I will have the same problem. Exhaust fumes in winter enter the cabin.

I have had my 2008 trailblaer for a year now. I have been having major electrical issues for the past few months including my battery light and other popping up ramdonly and my truck not wanting to drive or run right. Now my exhaust manifold is completely cracked thru,.

Had exhaust manifold replaced at local gm dealer under warrenty in 6/26/13 now have same problum exhaust manifold making loud noise. Had 80112 miles when first done now when happened was2/22/16 the miles were 109482, witch is only 29370 miles what are my options this should be fixed again by them.

Exhaust manifold is cracked,gm knows there are issues with these but yet wont fix it.

Was driving and suddenly the exhaust got real loud. Took it to repair facility and they said that the exhaust manifold had cracked. Gm knows this is a bad part , and a safety part, but they only advanced the warranty 20,000 miles. I have never had an exhaust manifold crack on any vehicle, besides one that is 6 years old.

Exhaust manifold cracked and had to be replaced.

Started vec. In the morning. Exhaust very loud. Checked exhaust system found manifold cracked. Got on on star acct. . . Stated extended coverage had expired. Found out special coverage gm bull. #11150. Contacted dealer. Stated not covered due to out of mileage range of 120000 limit. Said to take to serv. Mgr and said out of his hands. Contacted gm and now they are working with me to help resolve issue. Told gm I have never recv. Any info about this problem when I bought this Trailblazer. Will fumes enter pass. Area. Don't know at this point. Safety issue. . . Yes, recall issue. . . Yes, design issue. . . Yes.

Purchased this vehicle from a dealer. The next day the truck was dead. It has since had the battery replaced 3 times. The exhaust manifold cracked at 82,000. The number 4 position on the blower does not work. The stabiltrak lights come on for no reason and go off for no reason. With all of the complaints, something should be done.

The contact owns a 2008 Chevrolet Trailblazer. The contact stated that after engine startup, the exhaust became abnormally loud. The vehicle was taken to a private mechanic who confirmed that the exhaust manifold was cracked and needed to be replaced. The manufacturer was not made aware of the failure. The vehicle was not repaired. The failure mileage was 75,000 and the current mileage was 76,000.

The contact owns a 2008 Chevrolet Trailblazer. The contact stated that while starting the vehicle, the intake manifold cracked. The contact did not take the vehicle to a dealer or a mechanic for inspection or repairs. The contact did not call the manufacturer. The failure mileage was 93,000.

The exhaust manifold has cracked with only 58,000 miles. * js.

With only 55,000 miles, the exhaust manifold cracked. Seeing all of the complaints online and talking to my mechanic, this seems to be a default part. Chevy should be recalling these. My mechanic had to order the part through the dealer and they had the replacement manifold in stock. Exhaust manifolds are not normally stock items unless there is a real high need to replace them. . . . . . .