need to drop the tank and pull the fuel pump out and change the sensor
there is a sensor inside the gas tank. if you have the GM dealer replace it.. its about $500.00.
fuel level sensor located in the top of the fuel tank, can be purchased seperatly from gm
To change the knock sensor on a 2005 Chevy Trailblazer, first disconnect the battery to ensure safety. Then, remove the intake manifold or any components obstructing access to the knock sensor, which is typically located on the engine block. Unscrew the old sensor, replace it with a new one, and reconnect the wiring harness. Finally, reassemble any parts you removed and reconnect the battery.
behind the altanator under the thermistate
replace water pump 2005 chevy trailblazer vortec 4200
How do you replace crank shaft sensor on 2005 Chrysler 2005 300c?
The coolant temperature sensor, on a 2005 Chevrolet trailblazer 4.2 liter engine, is located just above the thermostat housing. The thermostat housing is located in the front of the engine.
Trailblazer doesn't have a cable. There is a speed sensor on the Transmission. The guage is electronic and is the most common problem in the Trailblazer.
The thermostat, on a 2005 Chevrolet trailblazer, can be replaced by first removing the water hose. Next, remove the three housing bolts. Take the thermostat out and replace with a new thermostat.
how do you get a water pump off on a 2005 trailblaxer 4.2
We have complete instructions at our enthusiasts forum at www.trailvoy.com
Timing chain, no maintenance required.