It sounds easy but it takes some time. We have complete instructions at our enthusiasts forum at
www.trailvoy.com
need help changing the belts on my Chevy trailblazer lt 2003
try this website --->www.trailvoy.com<--- they have alot of stuff to help you with your trailblazer i should know im a member my self i have a 2003 Chevy trailblazer Lt www.trailvoy.com
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Specs for main bearings on a 2003 Chevy trailblazer with 4.2 engine .
No
A eaton fuller 18 speed roadranger gearbox is used
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Engine diagrams can be used as guides.. An engine diagram to a 2003 Chevy Trailblazer can be found in its maintenance and repair manuals.