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2006 chevy trailblazer_ls
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126 Posts
Discussion Starter #1
I have an 02 Trailblazer and I decided to install a set of nerf bars on it. I'm not having any luck getting the 1.25 x 30 mm bolts into the factory drilled holes so Il start to thread them in. Wondering if any one has any tips on what I can do.
 

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2003 chevy trailblazer_lt
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16 Posts
nerf bars.....

In my yrs of experience wit factory drilled holes is to either use a file and clean up the hole or just drill it one size bigger. It wont weaken the frame so u should be in good shape. good luck............
 

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2006 chevy trailblazer_ls
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126 Posts
Discussion Starter #3
Those holes are threaded and if I drill one size bigger I wouldn't have the threads to to install the bolts into.
 
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