possible transmission problems? Just want to be sure before I buy a whole new transmission.

Asked by Sep 21, 2015 at 07:30 PM about the 2004 Chevrolet TrailBlazer LT 4WD

Question type: Maintenance & Repair

I bought a 2004 Chevy trailblazer about 9
months ago, she ran perfect, no problems at
all for the first four months or so then
suddenly it started slipping gears usually
when I'd just start out, it would rev up to
about 4,500 RPMs, I'd let off the gas, give
her a second and she'd be fine.. That
happened a few times and then about a
month later it started slipping gears once I
reached about 40 mph, it'd start revving up
again, all the way up to 5-6,000 RPMs and I
realized I could not drive in gear anymore
until I reached more than 40 mph I could
only drive in second gear so I just stopped
driving it all together because I can't afford a
new transmission, is it possible there's
something else wrong and my transmission
is fine?

3 Answers

21,120

Have you changed the transmission fluid and filter recently? If not have this done and leave out one quart of transmission fluid and add Lucas Transmission Fix Stops Slips.

1 of 1 people found this helpful.
24,685

Diagnose that thing correctly before you start buying new trannies-

Thats what I wanted to do haha and yes my fiancé said he checked the fluid and changed a shift solenoid (sp?) and that didn't help.. He insists the transmission is shot and it's not "slipping" we just lost third gear entirely. I just have a strong feeling it's not a bad transmission.. But I'm a girl so what do I know? Lol I don't think he's checked the filter tho so maybe we'll try that? Thank you for your suggestions!

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