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Chevrolet TrailBlazer Engine and Performance Problems

36 messages,  Last post on Nov 20, 2009 at 9:28 AM

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#30 of 36 2003 TB Problems by juan12 Jun 25, 2009 (11:04 am)
Ok where do I start!!! First of all when I am driving and come to a stop or going up a hill my truck acts like it wants to cut off so I took it to dealer and he said it was the FAN CLUTCH got that fixed $600.00. After a month started back doing the same thing! Now on my dashboard the airbag light is on and all the right side lights are not working ( back head light, back light by the license plate, radio, and air condition lights) and the back wiper blade is going by itself and don't be turned on that is wild and crazy I hate to pull up in a parking space and look back and the wiper blade is really going and the truck is turned off . I had the spark plugs changed last year thinking that was the problem why when I'm driving the truck sound like it is tuned up real loud and changing gear like a 18 wheeler. I know three more TB owners and they TB sounds the same way lord that is a killer on gas. I need some help or is it a recall on TB
#31 of 36 Re: Engine Knocking in 2003 Trailblazer [burdawg] by hodgemelody Nov 08, 2009 (11:15 pm)
Replying to: burdawg (Jun 02, 2009 6:10 am) I too have had the ticking noise. Does anyone else have this problem. Has anyone figured out what causes it?
#32 of 36 2003 trailblazer ext. Lt by hodgemelody Nov 08, 2009 (11:20 pm)
Here are the problems I have. Ticking noise, second row seat/passenger side window will not work, i was told by onstar that I am having a control sensor problem(i believe that is what she called it), when you take off it sounds like a jet taking off(is this natural?), . Replies to this message: ticadoo (Nov 09, 2009 6:33 am) burdawg (Nov 09, 2009 7:03 am)
#33 of 36 Re: 2003 trailblazer ext. Lt [hodgemelody] by ticadoo Nov 09, 2009 (6:33 am)
Replying to: hodgemelody (Nov 08, 2009 11:20 pm) I too had the fan clutch replaced...the "jet noise" and ticking stopped for a while..and is back again. This truck is possessed and nothing but junk. I've had so many problems with it and it just turned 80,000 miles. The driver's side turn signal/brake will not work when it rains; if I am using the CD player and put down the sun visor..the CD player stopps working; even with the wipers off...the come on by themselves...the A/C and heat works when/where it wants; the service engine light will not go off.....and the gas mileage is HORRIBLE. I can't afford another truck now...so I guess I'm stuck...
#34 of 36 Re: 2003 trailblazer ext. Lt [hodgemelody] by burdawg Nov 09, 2009 (7:03 am)
Replying to: hodgemelody (Nov 08, 2009 11:20 pm) Ticking noise - If it's the same problem we had a long time ago it was eliminated when the PCM was updated with new firmware, I believe it had something to do with altering the VVT until the engine was warmed up. We also had a loud "ratchet" type noise coming from under the dash, it was the mode door actuator and was repaired under warranty. Window not working - shouldn't be that hard to diagnose/repair. Loud noise when "taking off" - could be fan clutch, if it's not working right the fan will be on full force and will be noisy. It's another known potential problem area.
#35 of 36 03 trtansmission by jonal09 Nov 19, 2009 (5:37 pm)
my Trailblazer EXT tramssion won't shift into 3rd gear. any suggestion besides the expensive one?
#36 of 36 key switch and gear shifter by jasonp2 Nov 20, 2009 (9:28 am)
my key wont turn off and key is stuck and at the same time my gear shifter wont lock and moves freely!!!!!!!!!!!! are these related are just a strike of luck????? and what would cause all of this????????

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