TrailBlazer 2002-2009
2023- The TrailBlazer, originally introduced as an upscale Blazer, was produced from 2002 to 2008 with a powerful I6 engine and with a monster V8 offered in the Trailblazer SS
Platform: GMT 305, 360, & 370.

Fuel level sensor replace help

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Old Nov 8, 2007 | 10:39 AM
  #1  
Jackals7's Avatar
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Default Fuel level sensor replace help

The fuel level sensor is bad in my 05 trailblazer. dealership wants $500+ tax to replace. I can get part for $100-$140.00. Any suggestions/help into replacing this myself?
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Old Jan 24, 2008 | 7:02 PM
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Default RE: Fuel level sensor replace help

I have the same problem on my 05 Trailblazer. Had thought about trying to do it myself but the fuel tank has to be removed. From what I understand it’s a pretty involved process to remove the tank, replaced the fuel sending unit, and reinstall the tank. This vehicle has been one problem after the other. I can hardly get one thing fixed before something else breaks. I’ll be glad when the lease is up. I will NEVER have another Trailblazer. I like the vehicle but it keeps breaking. I did find a mechanic that will fix it for around $400.00. Let me know if you replace it yourself and how much trouble it is.
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