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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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What is this discussion about? Chevrolet TrailBlazer, Chevrolet TrailBlazer EXT, SUV

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#15 of 36 Re: 2002 trailblazer fan clutch [justanote] by burdawg Apr 02, 2008 (7:03 am)
Replying to: justanote (Apr 01, 2008 1:07 pm) Yes.
#16 of 36 Thanks for your help by justanote Apr 02, 2008 (8:28 pm)
Got it in within a half hour. Bought one off ebay new for $120.00 with life time warranty.
#17 of 36 engine problems by nikithomas25 May 23, 2008 (11:51 am)
i have a 2003 TB. there is knocking in my engine that gets louder as i press the gas pedal. i still have oil pressure but this noise persist as if i might need a new motor. some other problems that i have been having is my speed meter works when it wants to sometimes i slow down and it does not drop to zero it will drop to about 25 or 30mph. i also can turned the key to crank it and it won't crank it will just start malfunctioning. guages start to jump and my locks start to loc and unlock can anyone tell me any solutions to the problems i have with my 2003 trailblazer. also when i turn my air on the truck dies as if it was not idle up enough.
#18 of 36 spark plugs by welles Jun 28, 2008 (10:07 pm)
How do you change spark plugs on a 2005 trailblazer?
#20 of 36 Engine performance by rpowers Oct 04, 2008 (7:28 am)
I have a 2005 TB with 21000 miles on it. When started in the mornings it seems to have an engine miss for a mile or two - almost like an old carborated engine with a choke sticking. I also don't feel all the power everyone talks about with this in-line six engine. It feels pretty peppy first thing in the morning - but most times it is a slug. Does anyone else have this experience?
#21 of 36 Tune up questions by glo4 Mar 08, 2009 (9:06 am)
I have a 2003 TB EXT V8 that is in for a tune up, and changing fluids for 4 wheel drive and transmission. The shop is telling me a couple things I feel the need to check out. I understand that the fluids are pretty expensive. OK But the original quote for everything was around $600. Then the shop called and said that all the wires are breaking as they are taking caps off to get to the plugs. Add another $200 for new wires. Now they are saying that the 8th spark plug is stuck, giving it the weekend to soak and will try again Monday. My vehicle has 122K miles and has been very well taken care of (I thought). Can someone confirm that this sounds right. At least the original $600. I was figuring a tune-up would cost around $200. It's at the dealership that I bought it at and they are the only ones to ever do any work on it. (Oh, and he showed me the broken wires, they were broken about 6-8 inches up from the cap - is that right?) Need some advice anyone!
#22 of 36 vehicle losing power! Diagnostic test shows nothing wrong! by doub05 Mar 24, 2009 (8:06 am)
I have a 2002 lt ext v6. The problem I'm having is, when I turn a corner or come to a stop for a while(traffic light), the vehicle acts as if it is going to shut off. It loses a lot of power. I took it in to be serviced and they said it was the fuel pump. Well that has been replaced 3 times already. Anyone have any Idea what the problem could be?
#23 of 36 Re: 2002 Trailblazer - New Engine at 85,000 miles - ouch! [mom2teach] by clickytb May 16, 2009 (9:30 pm)
Replying to: mom2teach (Dec 26, 2007 10:15 pm) i have a 2005 trailblazer bought new from dealership and since jan. 2009 have had the vehicle a total of approximately 15 days in working condition. the service engine light came on and noticed a stalling feeling, felt like hydroplane. the next noise sounded like the engine was falling out. i have had total of 3 FULL set of lifters, and head gaskets, spark plugs with wires changed and a host of other problems fixed. presently at 4200 dollars spent and just yesterday began making a loud "clicking" noise under hood and the service engine light on. i am fuming. i have been a loyal GM buyer. GM is the ONLY vehicle i have ever owned but after this vehicle, and the company keeps letting me foot the bill, i vow to never own another GM product!! you would think in this day and time that the auto industry would stand behind their products. perhaps that is why they are in the shape they are. anyone else having the degree of aggravation that i am? Replies to this message: akhenaten (May 17, 2009 6:04 am) burdawg (May 18, 2009 6:11 am) hineblazer (Jun 11, 2009 6:29 am)
#24 of 36 Re: 2002 Trailblazer - New Engine at 85,000 miles - ouch! [clickytb] by akhenaten May 17, 2009 (6:04 am)
Replying to: clickytb (May 16, 2009 9:30 pm) We have a 2007 TB that is dangerous to drive. It sits in the garage now for months while we pay $400 a month on a lease that expires the end of 2010. We have 30 or 40 pages of problems we faxed to a lemon law attorney in Garden City Mi at the Consumer Legal Services. We have gone thru the legal channels GM demands to get this resolved. The cost to GM at this point must be astronomical with all the maintenance costs, monitors , replacements, conversations and files in Texas...big, big joke. They refuse to replace the vehicle or terminate the lease...we were open to any offer. THEY DON"T CARE. They know the trans has been bad since 1982, the instrument cluster fails, the car accelerates and brakes on its own, the doors lock and you can't exit,etc. etc. Read these posts. THEY DON"T CARE. We will never, never, never own another GM product.

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