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Chevy Trailblazer
Total questions 6300
How do you get rid of spark knock on a 2003 Trailblazer?
The problem is related to a computer componet. It could be the crank position, engine speed, or any other sensor. The only real...
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Why wouldn't you be able to put your Trailblazer in reverse?
Possibly you need some transmission fluid More Likely, depending on Your climate, You may have developed some frost, or dirt, on...
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How do you change the left high beam headlamp on a 2002 Chevy Trailblazer?
To change a headlight bulb in the 2002 Trailblazer: I writing this with the orientation of standing in front of and facing the...
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What can cause a high cooling fan speed error in a 2002 Trailblazer?
Either a PCM reprogram or the fan clutch asembly will fic this condition. Replacement of the fan clutch is very labor intensive,...
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Where is the oil filter located on a 2004 Chevy Trailblazer 6 cylinder?
At the base of the engine on the right side. You will need to be under the vehicle. Also, make sure to replace with PF58 instead...
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Where is the rear washer fluid resevoir located on a 2002 Chevy Trailblazer?
the front and rear use the same resevoir if the level is low the rear will be inop. Answer I had the hose for the rear...
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How do you replace the headlight bulb located on a 2002 Chevy Trailblazer?
For the drivers side low beam lamp just reach in between the battery and the headlamp assembly. On the top right (towards the...
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What would cause a jingling noise as if something is loose in the wheel when accelerating in a 2002 Trailblazer?
I also have a 2002 Trailblazer. I had the same problem and it was a combination of 2 things. My stabalizer bar linkage was bad...
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How do you change a fan clutch on a 2002 Chevy Trailblazer LT?
Just did this on mine. You will want to get the loaner tool from an Autozone for fan clutch removal. it will make your life a LOT...
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Where is the Oil drain plug and oil filter located on 2005 chevy trailblazer?
The oil drain plug and oil filter are under the engine skid plate. You need to remove the trap door to see. The skid plate door...
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Where is the fuel filter located on a 2002 Chevy Trailblazer?
located under the drivers side close to back tire Answer It is located on the drivers side on the frame rail in the...
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Is it a difficult job to change the timing belt on an '02 Chevy Trailblazer?
are u sure is the timing chain? because cult it by the timing sensor or the timing auctueror sprocket There is no timing belt...
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Is there any way of getting a vacuum line schematic for a 1993 S10 Blazer 4x4 Vortec?
Autozone has a massive list of vacuum diagrams for lots of vehicles. Goto autozone-->repair info-->repair guides Find...
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How can you tell if signal flasher is going bad and where located in 2003 Trailblazer?
The fuse box is under you back seat! The rear signal flashers have their own control board located in the taillight housing. I...
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Where is the blower motor resistor card?
The blower motor resistor card is located under the glove box. You have to take the bottom panel from underneath the glove box...
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How do you reset the change oil light on a 2002 Chevy Trailblazer?
Turn the ignition to the "ON" position without starting the vehicle. Press the gas pedal in 3 times, holding it in for 2 seconds...
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How do you reset the Change Oil light on a 2001 Chevrolet Venture?
This information can be found in your owner's manual. Don't have one get one. Try Dealer, Salvage Yard, E-Bay, or do a Google...
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How do you change the transmission fluid in a 2002 Chevy Trail Blazer 4WD automatic in-line 6 with a heavy duty towing package?
To my knowledge there are no drain plugs if that's what your looking for. Your best bet is to take it in to have it flushed...
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Is there anyway of disabling the auto door locks on an 05 Trailblazer EXT?
Maybe. Read your owner's manual.
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Where is the reset button for the Service Engine Soon light in a '98 Chevy Lumina?
Remove both battery connectors, let sit for 15 minutes, replace battery connectors. Note that when getting the car inspected they...
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How do you replace the passenger side mirror on a 2003 Trailblazer?
I actually replace my drivers side mirror. I is a mechanical mirror with the turn signal on it. There is a small triangular door...
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Drivers Side Power Accessories not working for 2005 Chevy Trailblazer?
take to dealer. doors have a control module in them either needs reprogram or replacement CHECK YOUR FUSES.
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How do you change the water pump on a 2004 Chevy Trailblazer?
see "how too replace water pump on 2002 Trailblazer"
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How do you remove the serpentine belt tensioner on a 91 pontiac sunbird 2.0?
you will have to take you power stearing pump off i think its two 15mm nuts on the bottom and a 1/2 nut on he top u will have to...
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How do you fix a broken tail light on a 2004 Chevy Trailblazer?
Open rear door, there are two phillips screws on the inner side of the tail lamp assembly. Once out you can disconnect the wire...
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You have a 2004 trailblazer lt and want to upgrade the stock rearview mirror with one that has temp and compass is this possible are there the necessary electrical hookups in this model of tblazer?
there not wired for it but it would be possible to install one if you get the wiring daigram from a gm manual and know a fair...
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How do you replace the headlights on a Chevy Trailblazer?
I disagree with the other answer. The only thing I removed when replacing the lights in my Trailblazer was the air filter...
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Where are the spark plugs located on an 03 Trailblazer?
there on top of the motor under the air box and they have coils over them with one bolt and fins on the coils. I thought there...
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How do you replace the fuel filter on a 2004 Chevy Trailblazer?
gki filter number 831.. from underneath driver side. make sure cap has been off key out of the ignition. use your fingers and...
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How do you replace the fuel filter located on a 2002 Chevy Trailblazer?
2002 Trailblazer Fuel Filter Replacement The fuel filter is located on the driver's side, centered between the front and rear...
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How to reset oil light on 2002 Chevy trailblazer?
ignition on - engine off - floor the gas pedal 3 times. That's it! LOOK IN YOUR OWNERS MANUAL!
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How do you fix a broken gas gauge we filled up and now it is stuck at the bottom?
you will have to drop the fuel tank and remove the pump gauge unit. it maybe stuck, broken wire, or simply bad.
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Is there an easy way to remove and replace the front differential in a 2003 Chevy Trailblazer without having to remove the oil pan?
Trailblazer differential change Yes! BUT....you have to separate it from the oil pan, take the 10 or 12 bolts that hold the...
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How to change water-pump on a 2002 trailblazer?
replacing water pump on 02 Trailblazer disconnect battery, drain coolant, remove fan shroud, fan clutch, and water pump pulley....
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How do you replace a heater core in a 2000 Trailblazer?
to your question It happened to me and a few others too. I ended up having to take it to a mechanic due to the fact that the...
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How do you adjust the passenger side mirror of a Chevy Trailblazer?
The knob that adjusts the driver side mirror also adjusts the passenger side mirror. Simply turn the knob to the right to adjust...
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How do you reset the change oil light on a 2002 Trailblazer?
Turn on you ignition w/out starting the engine. Press on the gas pedal 3 times, all the way down. NOT TOO FAST OR TOO SLOW. The...
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How do you reset the Service 4 wheel drive indicator after it has been serviced on a 02 Trailblazer?
had same problem w/ my "03. go to dealer and there was an update for it and he "flashed" the computer with their handscanner and...
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How often do you change the oil on a 2004 trailblazer?
Standard for any vehicle 5,000 miles or every 3 months which ever comes first. Answer Depends on where and how you drive the...
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Where is the thermostat located on a 2003 Chevy Trailblazer straight 6?
The thermostat comes in a housing that bolts directly to the motor, and is located on the passenger side of the motor, about 1/2...
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How do you lubricate the chassis of a 2004 Chevy trailblazer?
The lubrication points should be shown in a diagram in your owners manual. no, no , no dont listen to this guy.... the chassis...
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What is wrong if a 2004 Trail Blazer won't start with the key but will with the remote start?
Your standard security system is not allowing for your car to be started. My trailblazer did it, and i had to reset the computer...
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Trailblazer has a terrible valve noise in starting and it disappear when engine is hot although oil is new and changed by GM Italy?
This Atlas LL8 inline 6 is notorious for noise when started cold in the older versions. Some help is achieved by using Mobil 1...
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How many quarts of oil does a 02 trailblazer need to reach full capacity?
7 QUARTS Roughly Start with 6.5. Check dipstick mark on while parked on level surface. Check while engine is HOT. Fill to top...
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How do you change from 2 WD to 4 WD when the switch is not working in a 2002 Chevy Trailblazer?
2WD to 4WD You don't. The system relies on an electric switch that must function properly in order to engage 4WD (and return...
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How do you remove the low beam light on a 2002 Chevy Trailblazer?
Open the hood. Pop of the front grill piece with the Chevy symbol. Don't worry it won't break! On either side of each head...
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The ac on your 2003 trailblazer ls will not blow through the dash vents after you changed the battery what has caused this?
The hvac (heater control card behind the knobs and switches of ac/heat controls) control module may be blown, or there may be a...
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Turn signal lights on your 2003 Trailblazer work for about 3 minutes then they stop working; the fuses are fine and the lights seem to be fine; any help is greatly appreciated?
There is a recall notice to replace the sockets on the lamps for the stop and turn lights. However, every time I have taken mine...
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Where is the odometer located in the computer on a Chevy Trailblazer?
Just bought a 2006 and there is knob sticking out of the display at the top right that you push in and it changes the display...
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03 TB transmission alternates between 3-4 at 2 per second when slowly placed under load grade 45 to 55mph also engine changes 200 every 15-20 seconds AC on or off Cruise on or off no difference?
Had the same issue. The dealer reprogrammed the computer and it went away. I beleive it was the power management that was a...
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How do you reset the Airbag Light for a 03 i have it on while im driving and its getting annoying at times?
If you have an airbag warning light on you need to have it serviced immediately. That is telling you that your airbag system is...
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How do you change the headlight on a 2002 Chevy Trailblazer?
Follow up. For the front passenger side headlamps, remove the air cleaner assembly by removing two screws securing it and...
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When to change the oil on a 2003 trailblazer?
This is my opinion based on my experience and knowledge. Oil change intervals are determined by how and where you drive. Assuming...
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How do you remove the headrests on a 2003 PT?
At the top of the seats, where the headrests go into the seats, one of the bases has a button on the side. Just press and hold...
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Where is the heater control valve on a 2000 Chevy Blazer and what does it look like?
this model does not have a heater control valve, it has a specail thermostat that controls flow.
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Where is the oil drain plug and oil filter located on a 2004 Trailblazer?
There is a plate underneath the engine that is held in by 2 flat head screws. All you hace to do is loosen both screws and slide...
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Where are the spark plugs on a 2002 trailblazer?
Directly on top of the engine, six in a row front to back... but you need to remove the COP coil on plugs to find them. ...
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Why would the thermometer always read 50 degrees for the outside temp on your 02 Trailblazer?
Sorry, not an answer, but another account. I have the same problem. It will read 50 degrees no matter what the temp is as its...
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How do you replace the fuel filter located on a Chevy Trailblazer?
THE FUEL FILTER IS LOCATED ON THE PASSAGER SIDE FRAME RAIL OF THE VEHICLE. YOU WILL NEED A PHILLIPS HEAD SCREW DRIVER. REMOVE...
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How do you replace the fuel filter located on a 2003 Chevy Trailblazer?
It is located inside the frame rail in front of the gas tank on the drivers side. I have an 03 and just looked, also looks like...
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Where is the fuel filter located on a Chevy Trailblazer?
on the frame rail in front of the fuel tank. Answer It is located on the drivers side on the frame rail in the middle...
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Is the heating cooling control unit from an 2002 LS with the sliders interchangeable with the digial contol unit from a 2002 LTZ?
Sorry cannot be done. There is no interface for the digital controls. Visit www.trailvoy.com
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Replaced radiator fan fan shroud fan clutch in your 2002 trailblazer v6 right away and still the engine sounds like a jet engine and the idle seems to always run high wth loud soundofair limitedpower?
I had this same problem and it had nothing to do with the fan but the transmission. The dealership did some computer upgrade and...
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How do you remove the radio on a 2003 Chevrolet Trailblazer?
There are about 10 screws that hold the dashboard in place. You will also have to disconnect the wires going to the headlight...
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Your speedometer works but your gas oil battery and temp gages are not working Also your battery light is on also in your 2004 chevy trailblazer what could be the problem?
See if it is throwing a code. Gauge cluster might be bad as it was common in previous years. And check the output voltage and...
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How do you remove a door panel from a 2003 Trailblazer?
With a special tool, remove the door handle and window crank. Take out any screws you can find. With another special tool, remove...
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What causes break lights to not come on although flashers and high break light is working?
I had the same problem. There is a recall on certain Trailblazer tail lamps. As I recall, it has something to do with vibration...
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Where is the thermostat located on a 2002 Chevy Trailblazer straight 6?
The thermostat comes in a housing that bolts directly to the motor, and is located on the driver side of the motor, near the...
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What are sway bar links?
A little more information. Year/model. Some sway bar links become loose because of wear and the links continue to work but make a...
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Some people are telling me that the 02 trailblazer doesn't have spark plugs but has fuel injectors is that true?
the only vehicles that dont have spark plugs are diesels. you dont have a carburater,it is fuel injected. you have whats called...
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Why would the dashboard lights in a 2002 Chevy Trailblazer go on and off Fuses seem fine?
My guess would be a bad dimmer switch or a loose ground connection caused be a aftermarket radio being installed. Hope it...
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How do you disconnect the alarm in your 03 trailblazer?
pull the plug
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How do you reset the check engine light on a 2002 Trailblazer?
By having the problem that exists with the emissions controls repaired. Check to see if the gas cap was off or not on...
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How do you replace the heater core in a 2000 Trailblazer?
They did'nt make the Trailblazer in 2000 might you be looking for imformation for a 2000 Blazer.
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Where do you jack the front end up for tire changing?
if its a 4 wheel drive vehicle just put jack under chunk on front axle. if 2 wheel drive then put jack on metal A shaped brace...
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How do you align the headlights of a 2004 Chevy Trailblazer?
Most state inspection stations have alighment machines.
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How do you replace the blower motor resistor card on a 2002 Chevy Trailblazer?
The blower motor resistor card is located under the glove box. You have to take the bottom panel from underneath the glove box...
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How do you replace the left rear brake light lamp on a 2002 Trailblazer?
The light assy has to be removed to take the bulbs out.
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Are any other people experiencing Reduced Engine Power warning light and what was your answer from General Motors - 2004 Envoy 4.2 litre inline 6?
You have to know what code it was throwing. Some codes are dealer specific and only readable with their equippment.
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Where is the fuse box located in a 2003 Trailblazer?
one in engine compartment drivers side over wheel... another under the back seat on drivers side. owners manual has diagrams...
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How do you change the plugs on a 2004 Trailblazer?
Remove the air chamber labled Vortec 4200, two bolts on left side, and loosen the hoses on both sides. No cables!, remove bolts...
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The air conditioning unit blows out hot air on cold and when its not on it also blows hot air on the floor what is wrong?
Possibly the blend door which mixes hot and cold air or all hot or all cold, in the heating unit is broken. I have been quoted...
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How do you change front brake pads on a 2002 Chevy Trailblazer?
Take of the wheels 19mm take of the bolts holding the caliper on 18mm take of the bolts holding the caliper frame of...
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Why does the blower motor on 2002 trailblazer work on all speeds except the lowest?
More than likely the blower motor resistor pack is bad, although it can also be the switch itself.
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02 ltz Trailblazer and the Heating and AC fan will not work What is the problem and is it easy to fix for a novice?
Check for a blown fuse first. If the fuse is OK, then the blower motor resistor pack or the blower motor itself may be bad.
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Your passenger side mirror of a 2002 Chevy Trailblazer motor makes the mirror point downward on cold starts after about 15 min the motor stops and i can adjust it where i want the mirror how can i fix?
I had the same problem on my 2002 chevy trailblazer. I took it in to the dealeship and complained enough( b/c this problem...
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How do you fix a ambient temperature gauge reading 50 degrees. I experience this down to negative readings although hot outside the air blows warm until reading reaches 50 or above again?
The ambient temperature guage is faulty and needs to be replaced. I purchased a replacement part from a GM dealer for $19.00. ...
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How do you reset your change engine oil light on a 2004 trailblazer?
Actually all you have to do is: ignition on - engine off - floor the gas pedal 3 times When you turn your ignition on (spot...
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What would cause the 4 wheel drive to not engage on a 95 Chevy Blazer the module containing the 4x4 button was replaced however the light does not go on in 4 wheel hi 4 wheel?
4 wheel drive module located in the passenger side kick panel. Most likely condensation got in the plug. About 450.00 to replace...
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Evaporation emissions control leak large how do you repair it?
If computor reads [large] emissions leak? check to see if gas cap is on all the way or missing may 2004 chevy cavalier had this...
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Is the power steering pump attached to the actual resavoir you fill with power steering fluid Or is the pump its-self located else where?
Usually the power steering reservoir is integral to the pump. New Answer On the MGM with a 4.6 litre engine the Power...
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Why doesn't your radio power windows power seats interior lights work on your 2003 chevy trailblazer?
check the fuses..
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Where can you get a diagram for the power window assembly on a 2002 Chevy trailblazer?
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How do you change a belt in a Chevy trailblazer?
need help changing the belts on my chevy trailblazer lt 2003
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Where is the fuse box located on a 2003 chevy trailblazer?
GM vehicles typically put fuses in a couple places. First, check under the dash board to the left of the steering column. There...
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Dash blower motor in 2005 trailblazer not coming on does the 2005 have the resistor pack located behind the glove box like earlier models?
It sure does. I just diagnosed mine today and it was actually melted to the connector. I am going to have to replace the resistor...
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How do you change the time on a 2002 Trailblazer factory clock?
Take the clock on a trip to the sun and it will tick slower. This means that time will go SLOWER!! Take the clock on a trip to...
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Is any type of programming required for hvac blend door actuator for rear hvac on 2002 trailblazer ext unit is located on top of airbox and downstream from the blower in the right rear of the vehicle?
1 yes - either by the dealership (computer) or with a manual procedure to sync the variable resistor (1-5 volts signal for...
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Where is the fuel filter on a 2005 chevy trailblazer?
Drivers side frame between the doors.
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How do you drain a radiator on a 2003 trailblazer?
Even easier way is to remove the cap on top and loosen the drain plug on the bottom. --- easiest way to drain radiator, is to...
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