Last post on Feb 02, 2013 at 1:37 PM
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Chevrolet TrailBlazer, GMC Envoy, Oldsmobile Bravada, SUV
#467 of 498 Transflush on a 2005 Trailblazer
Oct 02, 2010 (8:20 am)
I have never had a transflush on my 2005 Trailblazer and it has 128.000 miles on it, is it safe to do now?
#468 of 498 Re: Transflush on a 2005 Trailblazer [lakeshelby]
Oct 03, 2010 (6:58 pm)
I wouldn't flush it, only drain & remove the pan, change the filter and refill it.
#469 of 498 Re: 04 Trailblazer transmission problems [sparky4021]
Oct 05, 2010 (5:26 am)
One of the problems with the TB transmission, especially when it comes to not changing gears, is that the shift solenoids go bad. I bet most of the problems people have with TB transmissions is the shift solenoids. They cost around $25 and are easy to replace...but a little messy. All you have to do is take off the transmission drain pan cover (around 18 bolts) and drain the tranny. Make sure you have a new pan gasket and you might want a new transmission filter. You can get a gasket and filter (one kit) at Autozone for around $30. There is a shift solenoid for each change of gears, 1-2, 2-3, etc. My 2-3 went out, so I just replaced them all. Before a transmission repair shop tells you you need a new tranny, I would go to Autozone and get a free Check Engine Light diagnostics. I've read so many similar problems with the transmission, where people are going and having the entire transmission replaced for more than a $1000 dollars, when all they might need is a new shift solenoid for around a $150 repair if you don't do it yourself. Hope this helps.
#470 of 498 2004 TB Tranmission sticking - dip stick not there
Nov 26, 2010 (4:34 pm)
About 2 weeks ago, my 2004 TB ( 4 wheel drive -75,000 miles) began to stay in low gear. Rpm's quite high before switching to the next gear. Not knowing much about transmissions, I figured I had better check the fluid. The dip stick was corroded off. There was no dip stick. Now what?
Nov 26, 2010 (5:10 pm)
I have an 04 tb ext. About two weeks ago i got my oil changed, fluids topped off, tires rotated due to me going on a road trip. This past weekend I drove down to Dallas, TX. AS SOON as i hit dallas my service engine soon light came on. I wasnt at my destination yet maybe just 10 mins out, but the car was still running fine. After i got to the hotel I did not drive the car until about 3 hours later which is when the tranny would slip i guess and would not go above 30mph. The nxt day i took it to the closest autozone for the engine diagnostics and the code was something like P0894 transmission slipping; possible causes included low fluid level, contaminated fluid, failed TCC solenoid and poor electrical or whatever. I added transmission fluid to it. The guy said it takes 11 qts but i only put in 3 just to make it back to the hotel. I did not drive it for the rest of the day and the next day with still no intentions of driving it, i noticed that basically all the fluid i had put in it was on the ground. Not being from Dallas i looked online for local repair shops. I found one and based on the great reviews I called them told them my problem and had it towed to the shop the following day. Basically once there they put it on the computer and it stated transmission slipping. They changed the gaskets, fluid, seals etc and let it sit for a few hours. The leak had stopped so they attempted to drive it and it would do the same thing at about 40 mph. After that, the repair guy basically jumped into I need a new transmission. $2800 tranny w 1 yr warranty or $1800 with no warranty. Then he calls back and is like i can get one for $1550 w/ 1 yr warranty. With him jumping around on prices like that it then made me iffy on what he was telling me. Should i get more opinions? Bc reading comment #469 it could just be the solenoids. Any feedback would be great seeing how i dont have the money for a transmission
Not to mention im back in my home state while the car is still in Dallas smh
#472 of 498 Possible problem
Nov 26, 2010 (7:08 pm)
I stopped at a supposedly reputable transmission shop. he told me that slipping is a result of low fluids and it would not be my problem ( #470). I don't have any leakage. I thought that possibly I was low since I could not easily get into 2nd gear from the low gear. He said most likely my problem is the solenoid. The trans switches gears electronically. Also I just stuck a BBQ skewer down the tube where you check the trans fluid level and it is crusted up about 8" down. I did not poke any further. ??
#474 of 498 cylinder issue
Jan 11, 2011 (11:32 am)
I have a '04 TB, recently my service engine light came on. When I took it to a mechanic he found that one of the cylinders was very low on pressure. He stated that he had never seen this before and that the only way to fix this was to put in a new engine/rebuilt. If not, then he recommended I trade the vehicle in as soon as possible. I am disappointed, aside from this issue the vehicle is in excellent condition. Is there anything that can be done besides the two options I was given? I can't afford a new car nor the cost of replacing an engine. Someone please help!!!!!!!
#475 of 498 Re: cylinder issue [knight5]
Jan 12, 2011 (8:44 am)
I would get another opinion. There's other reasons a cylinder can be low on pressure than just "needing a new engine". A spark plug could be loose, you could have a burnt or damaged valve, etc. I'm not saying that the end result will be different, but the root problem should be determined first.
#476 of 498 Re: 2006 Trailblazer [piece2u]
Jan 15, 2011 (4:12 pm)
did you find the problem. i have a 05 trailblazer with the same problem but when i put it into nutral it goes forward.