it is located in the fuel tank
Mounted on top and inside the fuel tank.
The torque of a water pump bolt can be requested from the manufacturer. The Chevy Trailblazer has a high torque for the water pump bolt.
If your Chevy trailblazer 2004 gauges are not working, check your fuel pump.
see "how too replace water pump on 2002 Trailblazer"
The secondary air pump is located on the passenger side of the engine near the top sticking out of the side.
The smog pump is located under the vehicle, on the drivers side, bolted to the frame rail, right under the drivers seat area
On the frame rail under the truck on the driver's side in the area between the doors.
you can find the fuel filterbeside the fuel pump in side fuel tankbeast regards
If the air vents of the Chevy trailblazer 2004 are not blowing air, have the fuel pump checked.
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The fuel filter on that 07 Trailblazer is part of the fuel pump module located inside the fuel tank and it is not serviceable by itself.