Question about 2005 Chevrolet Trailblazer Ext
Most of the car dealers recommend to perform Maintenance services scheduled at 30K, 50K, 90K and so on.
At 30K they mostly inspect all the systems, and replace fuel filter.
At 60K they inspect systems and flush must of the fluids, transmission oil and filter, coolant, brake fluid, differential and transfer case fluid, and replace the air filter. Some replace the spark plus at 60K some at 100K.
At 90K all timing belts are replaced, and the status of the timing chain checked. A deviation of more than 5 degree means, there it is the time ayes on the timing chain.
At the Owners manual for 2005 Chevrolet Trailblazer recommend:
Inspect all the systems at 25K, and replace fuel filter.
Replace engine air cleaner filter, automatic transmission fluid, automatic transfer case fluid every 50K.
Replace spark plugs every 100K.
Maintenance Services for your car are scheduled at 25K, 50K, 75K,100K and so on. All are tune ups but they are not the same.
The only concern for GM is the GM Dex-Cool antifreeze. There are some complaints regarding this product. I recommend to flush the cooling system every 50K to 60K.
Posted on Nov 11, 2010
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Posted on Jan 02, 2017
Sounds like your water pump is going out or your thermostat is stuck. Check the thermostat first and make sure it is not frozen in the clsed position.
Posted on May 08, 2009
NOW. These cars are notorious for timing belts snapping and GM has advised to replace at 60K. I have this car and it has an interference engine, meaning that if the belt snaps there is a good chance the engine's pistons will bend the intake/exhaust valves, meaning you would have to have the engine rebuilt if this happens.
I am about to have mine changed, along with the water pump and tensioner since the water pump should be replaced before 100,000 and involves the same labor. I've found that at a Chevy dealership the whole package ranges from $500-$800 depending on who you call.
Posted on Feb 09, 2010
Common problem on the 03-06 Trailblazer instrument clusters for the fuel gauge to go out. It's usually caused by one of two main problems, either the stepper motor on the cluster's circuit board is going out or the sending unit on the fuel pump is going out. Check out this blog post about the problem - Trailblazer fuel gauge problems
Posted on Sep 30, 2010
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