2005 Chevy Trailblazer Problems




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Thomas S: OOOOH Yeah... this 2005 TrailBlazer is killing us. Cluster is always giving us grief... if we go more than 30 miles the speedometer will drop down pass the 0 mark and on some occasions while driving, it will climb to the 100mph + mark but our speed is normal.Check engine light is always on, gas mileage is TERRIBLE Lucky to get 12 hwy. and the list goes on on and on. NEVER buy 2005 TrailBlazer LS

ARMY21tango: I have an 03 TB EXT...my speedo went out as well, so I ordered the stepper motor for it and will be tackling the replacement myself this weekend. I also figured that while I was in there , I would replace the bulbs with colored LED bulbs with matching colored needles. Total cost of all parts was around $30...and just my time to do it.

Fatboy 705: I've had trouble with my 2005 trailblazer to Dashboard went out and then the window locks and then the shifter

Darlene Irwin: I have had trouble with the engine light coming on when I know there is nothing wrong, I have whatever was causing it to come repaired,once already. Manuel says something about emissions. I have had to replace my gas cap twice. Low beam on my headlights continually go out ,scary at dark I have high beams. I have replaced the part will now see if they continue to go out.

adolfo gomez: I've replaced the transmission a few years back, the 4x4 doesn't work at all, last year replaced acceleration pedal and harness, the throttle body and harness, the engine computer, fan clutch, water pump, heater core

Michael Milici: I have a 2005 Trailblazer that has problems with the speedometer, gas gauge and the 4WD system doesn't work anymore. The speedometer works about 50% of the time and the gas gauge hasn't worked for a couple years now. I have to calculate all my miles and it took a few times to run out of gas until I figured out I can go no more than 340 miles on one tank. I figure the 4WD system failure is also electrical but I don't know for sure.

Linda henry: Own a 2005 Trailblazer and we found a college student that repairs the clusters and the lights in the dash and done a awesome job for 80 dollars he is from Conway Arkansas

brett potter: My 04 trailblazer is have the same problem but only with the speedometer and the oil gauge so for my speed i just use a gps

ClubFreeze501: Yes mine does the same thing. At first it would go back and forth. Now it says I'm doing 130mph. Only thing works correctly is the gas hand and I said once that goes out I will replace it and there's a salvage yard here that sells it for $50

Darin Hill: I too have an '05 trailblazer. Speedometer quit working last summer '13, been Rollin with the GPS ever since. It needs about $1000-$1500 worth of work. Replaced ball joints, master brake cylinder. Hatch glass is rustd shut some how. Haven't used it in about 3 years. Thought this was an upgrade from my

Washington Multimedia: my 03 trailblazer cluster has also gone bad, water pump, fan clutch, transmission linkage gone bad also

Marcus Bradshaw: I have engine light on and sunroof broke

Glenn Bosworth: Hey Erik, No you are not the only one with trailblazer issues. I own a 2004 with huge electrical issues that noone has been able to pinpoint as most of the time it does not repeat at the service center or they think they got it and a week later well you know. I bought it for 18K and have spent another 20K+ in trying to fix it. I go through headlights every 3 -4 weeks. My kids call the dashboard a disco ball. I have replaced every interior light at least 10 times. Most recently I had the instrument cluster redone with LED's in an effort to not replace the bulbs as often. Some days it starts then other it just sits there. It tells me that I am an unknowm driver from time to time, usually while driving. You name it and it does it. If I could afford it this would have been gone long ago. Now I just enjoy the flashing lights and the guages occasionally going around like the second hand on a clock. I will be posting a video I took a month ago. I have always favored GM products and service. That is dwindling of course. Good luck to you. By the way don't replace the cluster, send it out to have the servos motor replaced. It is way cheeper. I keep 2 spare clusters in my garage as backups now. Both of which I bought and would not let the deaership keep the parts. Now my rebuilt original is back in.

jmbbtiger: I have a 2005 chevy silverdo with the exact same speedometer issue. It started this at around 85K miles. I haven't considered having it looked at / repaired due to $$$$,, and hearing you say it might cost upwards of $300 is a bummer. Thx for the post. 

scgarcia74: I also have a 2005 Trailblazer and I keep having problems with the ignition switch. 

Tim Carlson: ERIK if you start your car and shut if off start and shut it off mulitiable times it will go back to o

b1ballar: Cleaning the throttle body will clear the engine code for the cost of throttle body cleaner. 5 dollars tops. Cluster is some bad luck but a lot of these problems you could fix yourself for a lot lot lot cheaper than a shop. The rear differential on mine was leaking and I just pulled the cover ran a new gasket and replaced the fluid and good as new. It sucks your getting nickel and dimed but look on you tube for videos on how to repair yourself you can save a lot of money... thousands

Alfonso Barrera: my truck also runs out of oil really fast...they told me that the fuel regulator might be broke...i dont understand since these are two different systems...fuel/oil

earle butler: YES CHECK ENGINE LITE SIT OVER NIGHT CHECK ENGINE LITE ON .

Darlene Hickman: I also have a 2005 and just got it so i was not paying for repairs on my car and i have the same problems gauges and pump and now when i put on the breaks it sometimes jumps forward this is a great vehicle for winter but other then that it is killing me in repairs and now my door lock to driver side is locking on me would not recommend to anyone unless u have money to pay out !! 

Cathi Singledecker: ThIs was a recall item only covered until 100k miles. My mechanic sent mine in this must be done on the cluster that came with truck cost 70bucks. Everything working fine now.. hope this helps everyone! !!

WinchesterLock: Yeah, I too have an 05' Trailblazer. My cluster has been going to heck for months (only issues regarding the fuel gauge are covered by recall btw). Just this weekend, I had the oil pressure, amperage and speedometer all fail on me. Oil and amperage were normal when checked/hooked up to an outside meter. The speedometer decided to move off of zero after driving an hour and a half with no speedometer. This comes following having repairs done for a bad coil, a recall replacement for a fuel gauge issue, a dead battery, and rough idling and choking down at stoplight when I have the air conditioner or fan on (the dealership claimed it was a dirty throttle body, and having them clean it did nothing to fix it). As a result, I have no interest in buying another Chevy.

Kevin Stephanie: I have all these issues too and not sure what to do about it.... I am so sick of everything falling apart on this vehicle... please help with any ideas

JC Ayala: hope u didnt replace it looks like a simple speedometer gauge stepper motor prob. $20 fix

Shelley Luster: We have one. The cluster is broken. We recently took it in for a recall on the gas system. Not too happy with it. Also the steering keeps going out.

Patrick Bryant: Also have a 2005 trailblazer i keep filling the radiator, but i think the water is coming out from the water pump im not sure.

MusiikN0w: our 06 envoy has been nothing but good so far, only have replaced the 4wd switch and had to put tires on it, bought at 96k miles now has 105k cluster works great and its driven daily

Ramiro Rodriguez: Theses trucks are nothin but junk. I replaced the water pump, the clutch fan, the wheel bearing all 4, the calipers, the upper and bottom plate , ball joint, the cluster is going krazy, all in less the an year. Need less to say, I hate american car, I got me a toyota camry.

Mike Goss: Gettin ready to hit 100,000 on our 07 trailblazer,been a good truck no issues so far but kept up all maintenance also

Patrick Whitt: I have a 2oo5 trailblazer. when it had 40,000 mi I had to replace the idle pulley that was a defect. change the water pump at 60,000 that is standard. I had to change the crank sensor, cam sensor, both 02 sensors at the same time because i had a bad power surge and loss of power and check engine light. at 96,000 I had to replace the fan clutch because loss of power and it started running warm"very expensive" most recently at 100,000 I had to replace the shift cable, a common problem. it breaks at the transmission and either you can put in a bushing or pay $80.00 for the whole new cable. From my knowledge trailblazers have bad electrical problems but are a very good truck.

Mindy Skewes: I also have an 05, with the same issues. Speedometer works randomly. Engine light stays on, fan does not work on 5. Today the oil pressure gauge went to 0. I wish they would recall the whole cluster.

Kyle Howell: Those trucks ain't worth nothing.

Mitchell WildFlame: Oh I've done 90 mph with our 04 in park! ._. no, it was slipping on ice and the gear shift was in drive, but it displayed on the dash as park for some reason

Steven Baessler: I have an 03 trailblazer lt 5.3 vortec, my gauge cluster got stuck also, what I did was act like I was going to start my truck with the shifter in drive. some how if you do this enough ( on mine at least ) the speedometer will slowly bring itself back to just under zero. the reason for leaving the truck in drive is so the truck don't keep starting. so, leave it in drive, try to start it and hold the key a second, all gauges should fall to the standard off position, when you release the key, gauges will go back into whatever they are supposed to read and on top of that your speedo should start to slowly move back to normal " 0 " mph position. this may take several attempts but like I said, its what works on mine. 

Dean Kiley: Gauge cluster is easily repairable for about 35 bux by replacing the stepper motors (6 in all). Instructions are found on youtube, parts available on ebay. This is an EASY fix and if you can hold a pencil, you can solder. I will be replacing the original cluster lamps with blue led's as well as soon as it gets a bit warmer. Good Luck!

robin mericle: I have a 2004 Chevy Trail Blazer. The fan belt clutch was replaced at the dealer Blasius Chevrolet in 2008. I then moved to FLA. where I had to have the FAN BELT clutch Replaced again in 2011, again REPLACED in 2012. Now its going on a 4th time. 

Alfonso Barrera: i have a 05 trailblazer and it is acting crazy also...i ran out out gas the other day because my fuel gauge went out...and now my truck feels like it wants to turn off...i think my speed sensor its out now...

jeff hamilton: You really need to have the front suspension and wheel bearings checked. Wheel bearings usually go bad about every 50,000 as well as ball joints and a-arm bushings. This may be the worst vehicles GM has produced sense the old 5.7 diesels.

josh pellett: replaced both motors for the needles both fixed for under 50. bucks did it myself

Cathi Singledecker: My trailblazer just started to act up yes the gas cap has problems but now my speedometer is stuck and my blower fan just went out two days ago it would not turn off... nite I have no heat and it's 19 degrees. ...uhhhh

Michael Shahabi: I own a 2004 Chevy Trailblazer LS 4.2 I6, It has given me problems galore! I have replaced the fuel injector, thermostat, and my gauge is having the same problem since 2009. The only gauge that works is the RPM, my gas light goes off thats howI know I need gas, I will never buy GM again! I currently have a misfiring cylinder #4, and other engine lag. Just ordered a new fuel cap. 

Kimi Banderas: Yes i do have the same year and same problem stuck at 120 and goes down to 90 in park grrrrr

Aman P: i got chevy trailblazer 05 i am facing exact same problem i went to chevy dealer they dont cover any of that. & now just today i put in drive it dont run. seems like its not shifting at all. if you kno what could be that please let me kno.

flydivafly: I also have the check engine light, (that doesn't bother me) speedometer, and fan for the heater problems..Do you know of any recalls? I have had a new fan put in twice and neither time does it get any better..The speedometer as u say is about $300 to get fixed.

josh pellett: yes i got the same problem or did but mostly with the tac

president carter jr: Cluster is bad

blondy4550: Yes I too have a 04' trailblazer and my cluster panel has went out and so did my fuel pump and my mother board ad to be replaced then too have had lots of issues in the ladt yr and I also take good care of my vehicle . It looks new inside and out but is still coming apart! Now my four wheel drive is not working! Anyon have any suggestions as to what is wrong? Sometimes when I start the engine the little 'n' on the 4 wheel switch will be on in red? 

taylor lay: I have 20044 wheel drive switch has n light coming on any ideas on the problem

FanOfVacuums2: We have a black 2005 Blazer that had the same problem. It would say we were going 120mph, when we were going like 30. The gas gauge didn't work either, we just estimated how much gas we had. All we did was replace the little stepper motors and it worked like new. The check engine light constantly stays on, but we don't pay attention to that. It works almost like new, now.

696manley: same problem with the cluster. then my radio shuts off and my windows door locks and ac shuts down. I wonder if my airbags work. does anyone know if all those problems are related to the cluster. HELP
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Thomas S: OOOOH Yeah... this 2005 TrailBlazer is killing us. Cluster is always giving us grief... if we go more than 30 miles the speedometer will drop down pass the 0 mark and on some occasions while driving, it will climb to the 100mph + mark but our speed is normal.Check engine light is always on, gas mileage is TERRIBLE Lucky to get 12 hwy. and the list goes on on and on. NEVER buy 2005 TrailBlazer LS
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2005 Chevy Trailblazer Problems