Desperate Need of Advice

Asked by Feb 14, 2016 at 02:15 AM about the 2002 Chevrolet TrailBlazer LS 4WD

Question type: Maintenance & Repair

My 02 trailblazer has been having issues ..about a year ago I went
to the store everything was fine no issues nothing ..after I walked
out the store I got into my truck went in reverse backed out my
parking spot and put It in drive and nothing ..I hit the gas it just
creeped forward and reved up as I hit the gas ..I felt the tranny
engage when I put it in drive so I bealive it was n gear because I
was being pulled forward (Flat Surface)..after I sat there reving it
up it  finally what I would describe as.. caught?? Or jumped in gear
wich wouldn't make sense because it was already in drive I felt
the truck go into drive when I shifted out of park and it pulls
forword..but after it finally started working again I drove off and
never had a issue this was about a yr and a half ago ..iv since
drove the truck thousands of miles ..and suddenly this issue
reared it's ugly head again ..wife was driving yesterday and she
was going about 25 mph and she said it felt like she ran over
somthing ..thought she might of had. Flat tire ..she noticed when
she hit the gas the truck would just slowly coast finally
kinda jerked and started working ..she came home about 5 miles
away and it drove fine she said she heard a weird noise when she
got to 45 mhp and when she got here I got into it and went to
work as I got to 45 mph exactly I hear the noise sounded like it
came from the rear driver side like a loud funneling noise maybe a
whinning noise bit it was very very faint I set the truck on cruise
control and 2 min later I felt like I ran over somthing truck kinda
sputterd a bit and I slowed down ..once I got stopped I put it in
drive I felt it engage and I hit the gas and nothing happen it just
reved up and slowly pulled forward tried reverse and it kinda felt
like it didn't wanna pull in reverse as if it went in gear but it was
like I was trying to back over a curb I put it in park and after 5
min (waiting on tow truck) I cut it back on and it was sorta of a
delay when I turned my key over but after I hold the key on ON
position for a second or two it cuts on and idles at like 2 (usually
idles at like 1) it sounded like I was pushing the gas and at the
same time it was bogging out sounded like total crap....wich had
never happend ..I cut it off it did the same for a couple more times
then it didn't do it any more ..after it got towed home (wasn't a flat
bed he used a Boom) he dropped it on my drive way I got in put it
in reverse and it backed into my drive way fine no issues ..I drove
it around the block only hit like 35 tho (kinda scared) and there
was no issue made a funny noise under it like a funneling but it
was few and far between ..and I noticed my cruise control don't
work anymore..I've never had any issues with the truck like this
it's a 02 4wd 170 k miles I've check the fluid everything is good
don't smell burnt or look dark check engine light at all ..I've be
had issues since I bought it though sometimes it idles low and the
truck vibrates while your stopped or in park  and kinda idles low
and vibrates. . never cuts iff tho...and the vibrations get heavier as
I turn the wheel or cut the heat on or ac ...if you can help with
advice it would help me alot as I'm trying to sort this out its my
only vehicle.ive changed the 02 sensor the one beside the motor

9 Answers


Which fluid did you check, the transmission fluid? Sounds like the transmission to me, like the torque convertor. Usually you will get the engagement issue if fluid level is low. Did you check when the SUV was warmed up, engine on, level surface? Even if the fluid is fine you can still have an issue. When was the last time the transmission was serviced? I like to service mine every 30-60K. While I commend you to try and fix your own vehicle, sometimes you need additional help like a mechanic.

Best Answer

The fluid level is fine I checked it while it was warm and it was fine had it for 2 yrs never had it serviced for the tranny maybe drive shaft?? I hear noise under the back of the car while I drive somtimes ..u drove it last night there was no issue

I mean I drove it last night it went in all gears shifted smooth just heard noise like a wind tunnel under it while I was driving do t happen every time tho

The noise I heard when I was going 45 mph got louder when I gmhit the gas and it got less loud when I let off the gas

Could the CAT be going out?


Wind tunnel noise can be a bad u-joint or wheel bearing. maybe an exhaust leak? Have your local mechanic test drive it.

I have fair size about of water under truck twords rear

Solved throttle body was falling apart total labor included witch diagnosis 726


Hub bearing , will make a "echoing" sound. As the bearing gets worse the echoing can start at different speeds ,on or off the gas.

Your Answer

Add photo

Related Questions

  • Transmission or something else 15 answers

    I had my truck for five months and now one day i tried to drive it and it only goes to 10 mph and the Gears dont shift at all i noticed that it was a slow leak of transmission Fluid. This is new ...

    2002 Chevrolet TrailBlazer LT 4WD


    Maintenance & Repair

  • hello my 2002 chevy trailblazer has been making noises when in park a squeeky grindy noise now when in drive it runs rough and kind of pulls also makes a different noise like a race car driving fast 1 answer

    at first i thought it was a belt issue now its having this driving issue i changed oil gave it new power stearing cuz i thought that was the noise issue i need help could it be the fuel pump that wou...

    2002 Chevrolet TrailBlazer LS 4WD


    Maintenance & Repair

  • Trans not changing the 2nd gear 2 answers

    I have a 2003 trailblazer with over 300,000 miles on it, but has never given me any problems. It will crank, and able to drive it but will not shift into that last gear which is the 2nd gear???,sho...

    2003 Chevrolet TrailBlazer Extended LS


    Maintenance & Repair

  • Clutch Fan 28 answers

    My clutch fan was engaged at idle and running fast. However I did not see any check engines to indicate a bad clutch fan. I checked the relay and fuse, I also checked there was power going to the plug...

    2004 Chevrolet TrailBlazer LS 4WD


    Maintenance & Repair

  • Need A/C installatoin professional advice, please. 3 answers

    What exact tools and gauges do you need to put in compressor, evaporator, freon, expansion device, and accumulator\dryer, and do you NEED any special tools. I need to ask this of potential mechanics...

    1988 Chevrolet Corvette Coupe


    Maintenance & Repair


Looking for a Used TrailBlazer in your area?

CarGurus has 5,213 nationwide TrailBlazer listings starting at $900.


Search Chevrolet TrailBlazer Questions

UK Questions

Are you a UK consumer? CarGurus now has a discussion forum in the UK.

Chevrolet TrailBlazer Experts

#1 Tom Demyan
Tom Demyan
Reputation 740
#2 bigdogracer
Reputation 590
#3 dandyoun
Reputation 550
View All

Related Models For Sale

Used Chevrolet Tahoe
815 Great Deals out of 27,814 listings starting at $1,700
Used Jeep Grand Cherokee
904 Great Deals out of 66,337 listings starting at $1,500
Used GMC Envoy
52 Great Deals out of 2,291 listings starting at $2,500
Used Chevrolet TrailBlazer EXT
9 Great Deals out of 1,249 listings starting at $1,900
Used Chevrolet Silverado 1500
2,513 Great Deals out of 152,115 listings starting at $1,500
Used Ford Explorer
1,066 Great Deals out of 71,554 listings starting at $1,000
Used Chevrolet Impala
901 Great Deals out of 35,272 listings starting at $1,700
Used Chevrolet Blazer
1,342 listings starting at $2,000
Used Chevrolet Camaro
400 Great Deals out of 40,630 listings starting at $3,500
Used Dodge Durango
365 Great Deals out of 23,171 listings starting at $1,500
Used Ford F-150
3,013 Great Deals out of 207,755 listings starting at $1,000
Used GMC Yukon
554 Great Deals out of 17,134 listings starting at $1,875

Used Cars For Sale

2007 Chevrolet TrailBlazer LS 4WD For Sale
8 Great Deals out of 249 listings starting at $2,990
2006 Chevrolet TrailBlazer LS 4WD For Sale
8 Great Deals out of 395 listings starting at $1,700