The EXT is longer and has a 3rd row
no, but the trailblazer ext is bigger than the regular trailblazer
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the Trailblazer EXT is the long wheelbase version. LS and LT are simply trim levels.
The EXT stands for Extended model, which means it has a third row seat.
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Standard 4.2L had 275 hp. A Trailblazer EXT had a optional 5.3L which had 290 hp.
Pioneer
2WD Trailblazer L6 engine 3.42 axle = 5,300 lbs trailer, 10,000 lbs GCWR 2WD Trailblazer L6 engine 3.73 axle = 5,700 lbs trailer, 10,500 lbs GCWR 2WD Trailblazer L6 engine 4.10 axle = 6,200 lbs trailer, 11,000 lbs GCWR 4WD Trailblazer L6 engine capacities are 200 lbs below those listed above. 2WD Trailblazer EXT L6 engine capacities are 100 - 200 lbs below those listed above. 4WD Trailblazer EXT L6 engine capacities are 400 - 500 lbs below those listed above. 2WD Trailblazer EXT V8 engine 3.42 axle = 5,900 lbs trailer, 11,000 lbs GCWR 2WD Trailblazer EXT V8 engine 3.73 axle = 6,800 lbs trailer, 12,500 lbs GCWR 4WD Trailblazer EXT V8 engine 3.42 axle = 5,700 lbs trailer, 11,000 lbs GCWR 4WD Trailblazer EXT V8 engine 3.73 axle = 6,300 lbs trailer, 12,500 lbs GCWR
it could be the idler puller rubbing on the bearings. we had to replace it on our 2006 Chevy trailblazer ext.
Per the owners manual; 2WD Trailblazer L6 engine 3.42 axle = 5,300 lbs trailer, 10,000 lbs GCWR 2WD Trailblazer L6 engine 3.73 axle = 5,700 lbs trailer, 10,500 lbs GCWR 2WD Trailblazer L6 engine 4.10 axle = 6,200 lbs trailer, 11,000 lbs GCWR 4WD Trailblazer L6 engine capacities are 200 lbs below those listed above. 2WD Trailblazer EXT L6 engine capacities are 100 - 200 lbs below those listed above. 4WD Trailblazer EXT L6 engine capacities are 400 - 500 lbs below those listed above. 2WD Trailblazer EXT V8 engine 3.42 axle = 5,900 lbs trailer, 11,000 lbs GCWR 2WD Trailblazer EXT V8 engine 3.73 axle = 6,800 lbs trailer, 12,500 lbs GCWR 4WD Trailblazer EXT V8 engine 3.42 axle = 5,700 lbs trailer, 11,000 lbs GCWR 4WD Trailblazer EXT V8 engine 3.73 axle = 6,300 lbs trailer, 12,500 lbs GCWR Check the Owners Manual for your vehicle for manufacturer's specifications whenever possible.