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Trailblazer

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Question
Vibration
Claimed by Kevin Gainer
Question
camshaft position sensor is bad
Bank 1 normally refers to the side of the engine that the number one cylinder is located. However, since your vehicle has an inline six cylinder engine, you will only have one bank. Therefore, your engine should only have one...
Question
If water is in the ignition coil should I replace the coil?
Hello, Yes, you will need to replace coil #3. Coils are made of a series of coil windings that are designed to conduct electricity and when wet this cannot happen. I would recommend replacing the ignition coil to ensure that...
Question
code po171 already changed spark plugs and ignition coils and was told by Firestone that was what it needed
Code P0171 is set due to a system lean reading. While worn or misfiring plugs or coils can cause the issue, they typically do not. Most common causes would be a mass air flow sensor or even a leaking intake...
Question
Hi, on my car the 'Reduced Engine Power" light came on and i have no idea why. Already replaced the Throttle Body,but its still on
Hi there. To be honest, the swap of transmission seems awful "odd" and may have created different fault codes that could have triggered the limp mode in your Chevy Trailblazer. To guess what is causing this to occur without being...
Question
In limp mode following a catalytic convertor repair. Have driven 70 mIles in limp mode.
The only purpose of the catalytic converter is to reduce exhaust emissions. The converter is within the exhaust system and functions as part of the vehicle's emission control system. Excepting only an unusual circumstance where the converter is physically plugged...
Question
Brake lights are not working.
Check the turn signal switch and see if its sticking in place. A bad turn-signal switch may interrupt the brake light circuit and cause the brake lights to not function. Also a broken wire to or from the brake light...
Question
Makes a noise when I turn and hit bumps.
You should have the complete front suspension checked however the sway bar links and bushings are the most common cause of the noise when turning.
Question
Are the variable valve timing solenoid and the camshaft sensor the same?
Hello. The variable valve timing and the camshaft position sensor are two separate sensors. The camshaft position sensor is more towards the front of the engine and is a lot easier to replace. The variable valve timing sensor is a...
Question
The bolt that holds the plate for the power steering return lines, what size is it? Is it a torx? Is it a twelve point?
The bolt size that you need is 10 mm and the treads of 20 metric with a torque of 71 inch pounds. The best thing to do is take a thread gauge tool and check to see if the treads...
Question
replaced crakshaft sensor now car wont stay running and is making a clicking sound in dash.
Hi there. Sorry to hear you are experiencing this issue. Unfortunately, this is all too uncommon when an auto parts store reads error codes and makes the wrong diagnosis. If you were having misfiring problems, the crankshaft position sensor would...
Question
Car turns on like normal but won't move forward or in reverse.
Hello, the automatic transmission has three systems; electronic, hydraulic, and mechanical. You should check your fluid level as well as condition of the fluid. What you describe could be an internal mechanical failure with transmission. The electrical system which...
Question
I changed the battery and now my windows go up and down by themselves and I have a clicking noise from the door
Hello, thank you for writing in. When these types of electrical issue occur after changing the battery, there may be several things you have to try to rectify the issue. One would be making sure the battery is hooked up...
Question
Se enciende reduced engine power en ese momento no hace ningún cambio la caja de transmisión y el motor no pierde aceleración
Hi there. A Reduced Power light usually indicates a fairly serious problem with the throttle system. When this light illuminates the vehicle will often go into a “safe mode”, which will severely limit the speed of the car and in...
Question
I have a 2005 trailblazer
Your vehicle can use up to 15% ethanol with no ill effects and such use (of E-15 for example) does NOT require regular use of any particular fuel system "cleaner". Most gasoline vended these days already contains a sufficient additive...
Question
my vehicle is making a loud squealing noise, I think it is the power steering pump. it has been leaking fluid for awhile
Hello, thank you for writing in. The power steering pump is a very common place for the system to leak fluid. The pump can mechanically fail, it can crack, and more commonly the gaskets and seal fail. With that being...
Question
Do u know the wheel lug measurement for a 06 Chevy trailblazer and a Chevy Silverado or Tahoe I have the trailblazer and in trying
The Trailblazer has a log bolt pattern of 6 x 127mm. The Silverado has a lug bolt pattern of 6 x 139.7mm. Hope that helps.
Question
I started my car and turn on AC but it would not start.
It will take a bit of deeper diagnosis to tell what is going on with the vehicle as it seems you have multiple concerns going on. An air conditioning system with a low refrigerant charge may not turn on because...
Question
I have a Po171 code on a 2006 trailblazer
The cause behind diagnostic trouble code P0171 is easiest to find by looking at the secondary firing patterns on the Bank one cylinders. That will confirm if the too lean condition, that has caused the code to set, affects all...
Question
Can you bypass the AC compressor? 2004 Chevrolet Trailblazer
Hello - if the AC compressor clutch and bearing are still OK, you can simply unplug the wire to the compressor clutch, and the clutch pulley bearing will continue to turn with the belt, and no other action is necessary....

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