Showing articles & questions for topic
Trailblazer

Related questions

Question
When I turn left clunking sound and when steered right a rubbing sound abs and stabilitrak light is on
Hi Adele. Thanks for contacting us today. There are several possible reasons why your warning lights are illuminated, and likely are the source of the noises you're hearing as well. Some of the possible sources include worn tie rod ends,...
Question
Why is my car making a rattling noise when i accelerate
Hello, thank you for writing in. The vehicle may be having a catalytic converter issue. When the catalyst inside of the unit fails, it can chip off into chunks and rattle around in the case. The sound amplifies when the...
Question
Transmission slipping.
Hello. Fluid pressure is used inside the automatic transmission to convert the engines rotation into working torque. Any major leak inhibits operations, fluid pressure cannot build properly, and the transmission starts to slip as it cannot transfer the power. There...
Question
Stuck in reverse
Hi there, thanks for writing to YourMechanic. It can be difficult to drive a vehicle with it stuck in reverse. The problem seems to be a plastic grommet that connects the gear shift assembly to the transmission. It sounds like...
Question
service engine soon
There is a TECHNICAL SERVICE BULLETIN for the problem and need to reprogram the PCM to a new level. The code is for a cam sensor signal being misread by computer and this TSB needs to be done before replacing...
Question
Power problems
Hi. Other owners have reported similar symptoms with their trailblazers. The first and easiest thing to check would be the 125A mega fuse under the hood. This is located right outside the under hood fuse box and has two big...
Question
Overheating
For the sake of clarity, it is important to distinguish when the car is overheating. If it is overheating when the car is moving, then the fan clutch isn't your only problem. If the car only overheats at a stop,...
Question
Oil pressure gauge
Your oil pressure gauge works by using a sending unit that is mounted down on the engine block that reads the oil pressure inside the motor when the engine is running. As the engine RPM's go up, more crankcase pressure...
Question
humming noise
It sounds like you have a wheel bearing going bad. Noisy wheel bearings will only make noise when the car is in motion. They will get louder the faster you go. They also change pitch, or get louder or more...
Question
Engine misfiring
I would suggest checking the timing and checking for vacuum leaks. Misfiring is typical when the timing is not accurate as it relays inaccurate orders to your car's ignition system. Vacuum leaks can also cause this as they can create...
Question
Charging system light on
Hi there. There is a possibility that your alternator or charging system may have experienced a failure. In the case of a charging system failure, the battery's charge cannot be kept and the battery drains during vehicle operation. Once the...
Question
Car won't start
Hello. I usually start by checking the battery. If it is low enough these other systems will work but there will not be enough power to engage the starter. If the battery is fine then most of the time this...
Question
Car stuck in park.
Hi, Since you have already been working on the problem you would have to have a certified technician come and diagnose the problem you are having. The gauges jumping around either is a low battery or you have a wiring...
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
Air won't blow
This is a very common problem for your type of vehicle. Most likely what has happened is that the blower motor is going bad. As a result of that, it is drawing too much current. What is likely to be...
Question
Acceleration
Hello: Most acceleration issues that are accompanied by a sound are typically an indicator that a vacuum leak exists or that an exhaust leak exists. To know for certain, you'll need to have a professional mechanic complete an engine is...
Question
ABS and BRAKE light both on
This issue is very common and is typically related to a worn out ABS Speed Sensor. The function of the speed sensor is to monitor the way the tires rotate, and make sure that the ABS system is triggered if...
Question
Rep light is on and now wont start like not getting gas car was runing and cut off and would not re crank
You should have the computer scanned for additional codes and also check the fuel pressures to see if the no start is a computer sensor issue like crankshaft sensor or the fuel pump is not giving pressure.
Question
Check engine light on code reads engine misfire what part should I replace first and if that dose not work what next
Replacing parts until the car is fixed can be a very expensive way to do a repair. A thorough diagnosis can save you time and money. But if you have misfire codes, the last digit of the code should indicate...

Need a mechanic?

Our certified mobile mechanics make house calls in over 700 U.S. cities. Fast, free online quotes for your car repair.

Get a quote

Post a question and get free advice from our certified mechanics.


Ask a question