2003 chevrolet trailblazer ext, failure of transmission fluid cooling lines due to corrosion. Loss of transmission fluid and possible transmission failure due to loss. Replace all transmission cooling lines (4 sections).
Chevrolet Trailblazer EXT transmission failure problems
15 of the 863 owner complaints about the Chevrolet Trailblazer EXT describe complete transmission failure, most of them for the 2003 model year.
- owner complaints
- 15
- worst model year
- 2003
- typical mileage
- 70,650
Is there a fix? No recall or service bulletin covers this area of the car yet.
By model year
Often reported together
What owners say
2004 trailblazer , transmission dipstick rusted and broke, transmission went out from water getting inside / do not know how this could have happened ! And the bearings in the waterpump went out leaving the fan shaft wiggling / loose. With only 65000 miles on my trailblazer not traveling no faster than 75 MPH max. This should not have happened. My friends with the same trailblazer is having the same thing happening. I serviced every 3500 miles since owned 2005. Please help if can .
2004 trailblazer, the transmission dip stick rusted and broke and water in transmission. Transmission went out. Many other owners having same problem with same 2004 trailblazers. Bad dip stick manufacture position getting water inside.
No warning lights, no warning sounds. While crossing an intersection, transmission went out. 0 forward gears, reverse works. Vehicle just reached 82,000 miles. Serviced regularly.
My 03 ext first transmission went out with just over 65k and then 16mo. Later at 80k went out again. No help from gm. I have owned a 99 blazer and 02 trailblazer with no real issues however this 03 has had numerous from cracked gas tank to catalytic converter going out as well as now having loud engine noise!
2003 trailblazer transmission failure. Driving in the neighborhood (25 MPH) heard a load clunk ( like something either hit or fell of the vehicle), then a high pitched whining sound, got the vehicle home (11pm). In the morning, to take the vehicle to be looked at found that I had no reverse, had to push it out of the garage. I have a extended warranty, but have given firestone permission to replace with a rebuild unit from gm. I do not know what my warranty will cover, but believe that gm should foot the bill, since this had been a reported problem for this transmission for years.
I was driving home to texas from a vacation to visit family in oklahoma. All of a sudden without warning vehicle's transmission got stuck in 3rd gear. Then the transmission failed altogether. Vehicle left me stranded in the middle of nowhere with my four children. They are telling me that there are alot of problems with the trailblazer transmissions.
With no prior warning of defect, my 2002 trailblazer would not accelerate while trying to merge into highway traffic. After initial look through for any obvious signs of what may be wrong, I was unable to drive my car and had it towed to nearest dealership where a transmission failure was quickly diagnosed and I was quoted a repair cost of just under $5,000 !!! My wife and I think this is pretty odd considering the regular maintenance and absence of signs of trouble, so we researched the internet only to find out that transmission problems (particularly on 2002 trailblazer) are very common. It is believed that general motors is very much aware of this and the phrase "silent recall" kept coming up.
Transmission went out at 80,000 miles with the sunshield and sun gear had trans replaced with no help form gm this is a problem with the 2002 trailblazers and up trans I fill that gm needs to recall this product be for it kills someone and make good to all consumers that had to pay for there's to be fixed.
Transmission went out at 63,000 miles -- clutch fan went out along with transmission. No warning -- nothing. This seems to be a common problem with trailblazers. Gm should order a recall --overall expense is over $2000.00
Related recalls
No recalls on record for this model year.
Questions about the Chevrolet Trailblazer EXT transmission failure
Which Chevrolet Trailblazer EXT years have complete transmission failure problems?
The model years with the most reports are 2003 (8 complaints), 2002 (5 complaints) and 2004 (2 complaints).
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