2004 Chevrolet Trailblazer EXT Engine cooling Problems

“The ext. Manifold on my 2004 trl blazer has a leak in the maifold body. The vehicle has approx. 120000 miles on it. This should be a recall item for manufacturing defect, but GM has not as of yet, issued a recall. It is a costly repair, as well as a safety concern, given that the exhaust fumes can enter the passenger compartment of the vehicle. I have owned many GM vehicles overtime, and never seen this before.”

“Traveling on highway. Loss of engine power caused a near miss with a tractor trailer traveling behind me. Cause was catalytic converter. The vehicle only has 37000 miles on it. Oxygen sensor also failed, this is the second one replaced. I have only had the vehicle 4 months and only put 5000 miles on it. The vehicle has been in the chevy garage for 10 days now, chevy says they can't find a converter.”

“2004 trailblazer , transmission dipstick rusted and broke, transmission went out from water getting inside / do not know how this could have happened ! And the bearings in the waterpump went out leaving the fan shaft wiggling / loose. With only 65000 miles on my trailblazer not traveling no faster than 75 MPH max. This should not have happened. My friends with the same trailblazer is having the same thing happening. I serviced every 3500 miles since owned 2005. Please help if can .”

“Check engine light - for over one year now, and 4 various mechanics, no once can figure out why my check engine light comes on. I have replaced two air sensors (actually 3 - one was bad)... I have spent close to $1,000 to get this fixed - but the dam light continues to go on (intermittently) sometimes it's on for a month - off a day - on two weeks - there is no pattern. The last time the light came on, my car began stalling in traffic and stop signs. Last mechanic spent 5 hours tracing all the codes back - nothing. …”

“I own a 2004 Chevrolet Trailblazer Ext. Took the vehicle in october 2009 for a oil change & a exhaust leak was told the exhaust manifold needed to be replaced, after searching on the internet found out it is a known problem that GM when manufacturing the vehicle used bolts that were to long making the manifold get to hot and therefore leads to it cracking. After having the vehicle repaired at the cost of $319.50 & having it back for a month & driving it 3 times my speedometer went haywire registering a sitting still speed of 45 MPH. …”