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2005 Chevrolet Trailblazer Questions

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230
questions

I have a 2005 Chevrolet Trailblazer Ext Lt 4wd; I have a problem with my
4wd engaging it seems, when I put my suv in 2hi, it makes loud grinding sounds when it goes in to gear and feels like it is netural will not drive also does the same in A4WD. It would drive in 4wdHi with no grinding noises or nothing but now it is starting to do the same thing in 4wdHi; last night it locked up on the highway and when into park mode at 60 miles while driving all of sudden. Was able to safely get it to the side. Was able to get it home in 4wdHi, but now it can only be driven in 4wdHi or 4Lo but grinding can be heard and now the rear differential locks up and grinding is heard and feels like the brakes are engaged in the rear. So I am thinking the rear differential is shot completely.
Is there anything else I should be looking at also.

Just put rack opinion and power steering pump and pulley belt tensioner in my 05 4.2 trailblazer ls. But when I slow down and turn or I'm stopped and idiling the steering is tight. But as soon as I accelerate the steering is perfect. If the gehicle sets awhile it's fine but run it for 20 min or so the problem reoccurs

When I have the air on full blast I can hear what I think is the air compressor turn on. It is very loud and will sometimes even shake the car slightly. It makes a loud clicking noise sometimes too.

code P0305, fuel and ignition systems fine, swapped spark plug and coil, cleared fault, misfire did not follow ignition components, removed plug and coil from cylinder 5 and compression tested, extremely low compression in 5, internal mechanical failure and would require valve job or complete engine replacement
120,000 miles, would rather fix than replace if get a better estimate than $5000

I am trying to install new a/c system but can't find where the expansion valve is located.

When cruising at approximately 45 MPH, the car seems to have a miss but I think what it's actually doing is continuously shifting in and out of overdrive. Coasting or applying more gas and the problem is not noticeable.

No other lights are on, gauges work fine, its confusing

My car is stuck in park and I can't get it to move. Is there a release button somewhere

we owned our vehicle for 3 hours before a lady mashed the front end of it. The guy that towed it said that he was sure this vehicle had frame damage and to make sure they check it. So, when the adjuster looked at it, he stated that the hood was too mashed for him to even get it open and he couldn't crawl under the vehicle, so he said that the body shop would check the frame. Well, the body shop has tried to make the front end of my car line up and it will not. I have had it back to them 7 times and he finally said that he didn't know what the problem was. I asked him if he checked the frame and he said, "No" but that he could tell by looking at it that the frame was fine. He said that he didn't own a frame machine to put it on and check, so I contacted the 3rd party insurance who is having to pay for this, and they sent the adjuster back out. The adjuster said that it was a horrible job as far as the repairs go, so I asked him if the frame could be damaged and he said the body shop should have checked that. I told him that they didn't but tried to put it back together anyway. He crawled under the car and then said well I don't see any frame damage, so that's all we can do about it, even though my car will not stay together, literally, and everything is uneven in the front, the bumper has ripples all in it, like its just jammed in there, there is a 2 inch gap under one headlight, and only 3/4 inch gap under the other one. I keep telling them to check the frame and they say that they can tell by looking that the frame is ok. I think because they paid this body shop to fix the car, they are afraid there is going to be frame damage and they refuse to have it checked, but someone said that if there was something called core support damage, then 99% of the time there is frame damage, and the core was mashed and had to be completely replaced, what do you think about this? Thank you
Denise

transmission does not engage, the engine revs in every gear like its in neutral ???

you can rev the motor in every gear like its in neutral, the cable is not broken