Ten problems related to noises during shifting have been reported for the 2002 Chevrolet Trailblazer. The most recently reported issues are listed below.
The contact owns a 2002 Chevrolet Trailblazer. The contact stated that the vehicle would shift automatically without activation or warning and at any speed. In addition, the contact would hear a grinding noise when the failure occurred. The dealer made two attempts to duplicate the failure but to no avail. The manufacturer was aware of the failure. The current mileage was 104,370 and the failure mileage was 102,000. The VIN was unavailable.
There were no signs or symptoms of the transmission sunshell breaking. I never towed anything, no off road driving, no hard shifting, nothing. I just woke up went out to go to the store started my Trailblazer and no reverse gear just a whinning noise.
I purchased a 2002 Chevrolet Trailblazer from younger Toyota in hagerstown, MD on may 12, 2007. Approximately a week and a half afterwards, I contacted the salesman that sold us the vehicle, phil young, complaining that the transmission was making a noise and the vehicle wasn't shifting correctly. He told me to bring it in to the service department. My husband (not car savvy) said that the noise was coming from the underside of the Trailblazer and felt it might be the brakes causing the noise and jerking. I stuck to my guns that it was the transmission and wanted it repaired while it still had the 30 day warranty. Younger denied it was the transmission and noted my husband's theory of the brakes, but nothing about my complaint concerning the transmission. The Trailblazer was taken back 2 or 3 more times to the service department, we demanded they fix it. The Trailblazer sat in their lot for three weeks because we would test drive it and bring it right back stating that the problem was still there. On or around January 14, 2008 the Trailblazer broke down in charlestown, wv. We took it by creamers automotive, they asked what the symptoms were and the mechanic drove around the block with me, instantly stated that it was the sunshell in the transmission and that they had someone in earlier that week with the same problem. They had purchased their vehicle at younger automotive as well and they denied the transmission problems and wouldn't note it on their paperwork as well. In my research of this problem, I found it to be very widespread, there are hundreds of complaints on one website alone. The sunshell is a faulty part that should be recalled by gm. Someone is going to be hurt or even killed if this isn't taken care of immediately. Gm is fully aware of this problem, there have been hundreds, maybe even thousands of complaints on this particular vehicle and should take ownership of a product they produce and sell.
The contact owns a 2002 Chevrolet Trailblazer. While driving approximately 45 mph, the contact heard a loud noise underneath the vehicle. Upon arriving home, he discovered that he could not shift into reverse. Chevrolet has not been notified. The current and failure mileages were 53,673. Updated 12/12/07.
I had several instances of the engine revving up before the vehicle would shift. These were usually when the engine was cold so I assumed that was the problem. However 5 days ago the transmission went out. The engine revved really loud, the tach number went way up, suddenly the vehicle clunked & jerked into gear it then made a whining noise & when I got home (drove it real slow & not far from home) there was no reverse. Chevrolet says there is not a problem with these transmissions & they have not received very many complaints on this problem. My transmission repair shop told me this is the third one in 3 weeks with the exact same problem. Chevrolet is refusing to do anything about this. There are numerous web sites full of postings of people with the same problem.
Morning of incident, would here a "clunking" noise after engaging the accelerator. That afternoon, while driving in fast lane of interstate at 65 miles per hour, upon engaging the accelerator, the vehicle was going to have to down shift, and instead, heard a loud "whirring" noise, and vehicle slowed down. Upon evaluation, the vehicle will not go into reverse, and has trouble shifting. Repair shopped diagnosed that the transmission has gone out.
Loud clanking noise coming from the rear to center of the vehicle when shifting from park to forward or reverse, ieee when lack of or direction is changed. 36,000 miles, very poor quality vehicle as I have had several other issues. Good thing I have extended warranty, however I am very displeased with Chevrolet and will aviod purchasing any cheverolet products in the future.
While taking off from a toll booth there was a big bang and the transmission would not shift into reverse and made a very loud whinning noise whe going forward.
Shifted vehicle into reverse and heard loud bang. While backing heard grinding and scraping noise. Shifted into drive(forward gear). Hear grinding noise in drive. Taken to mechanic. Diagnosed with broken planetary gears. Parts available for inspection.
Small "clunking" noise from under vehicle when shifting from park to reverse or drive. "clunking also evident when slowing to a stop. Ultimate transmission failure occurred while accellerating from a stop. A very loud "clunck" was heard from under the vehicle followed by a loud wirring noise. The vehicle would not shift from first gear afterwards until about 40 mph. The "wirring" noise continued when the vehicle was stopped and the transmission would not shift into reverse. The dealer's mechanic overhauled the transmission and replaced the following "worn" parts: sun gear shell, sun gear, 3-4 clutch. Vehicle had 40000 miles at time of failure.