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2005 Chevrolet TrailBlazer Questions & Answers
The blower motor on my 2005 Chevy Trailblazer is
try checking for a 12v feed to the motor and iam sure you will find one ,i think the problem is the earth as the earth is the one that controls the speed via the reostat and the control knob ,so if its works with an earth then its either the reostat or the control switch
Head light bounces
On the top of the headlight is a star shaped fitting. This is the adjuster. It works by spinning a gear that is mounted to a shaft to position the headlight up and down.
I've seen them fall off, where the headlight is not adjustable, infact, the bulb sits at the bottom position and bounces up and down.
Adjuster is not available as a part from GM, you are required to replace the headlight.
Where is a knock sensor?
Hi.
The Chevy Trailblazer 5.3 and 4.2 engines have two knock sensors located at the lower sides of the engine block.
Below two diagrams showing locations first is from 5.3 right second 4.2 left.
Torque specs for 4.2 6cyl. chevy engine
Here are the Torque specifications:
1. Head bolts - 46 - 50.5 lbs
2. Intake & exhuast manifolds - 13.5 - 20 lbs
3. Flywheel - 41.5 - 47 lbs
4. Clutch cover - 13.5 - 20 lbs
My 2005 trailblazer wont turn over and door locks dont work the relay under hood clicks HELP
Your battery is dead. Why it is dead is another investigation. Is it getting charged? If not the alternator could be gone. Charge the battery, or if it is 6+ years old, replace the battery, charge, and then test.If it runs ok with a charged battery, but the battery keeps running down, then it is likely the alternator or something in the charging circuit.OK, now we know you have checked the battery. The door locks not opening and the relay failing to pull up means they are not getting enough juice. So if it's not the battery, then its something else in the electrical system. Because two completely separate systems (locks, starter/relay) are affected, it is something common to both of them. But go ahead and check the fuses anyway. Also check all electrical connections (Battery and other) for corrosion or looseness
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