2007 Chevrolet Trailblazer 1SS AWD

Make: Chevrolet
Model: Trailblazer
Type: SUV
Trim: 1SS
Year: 2007
Mileage: 140,500
VIN: 1GNET13H072300843
Color: Imperial Blue Metallic
Engine size: LS2 6.0 V8
Number of cylinders: 8
Power options: Air Conditioning, Cruise Control, Power Locks, Power Windows, Power Seats
Fuel: Gasoline
Transmission: Automatic
Drive type: AWD
Interior color: Gray
Safety options: Anti-Lock Brakes, Driver Airbag, Passenger Airbag, Corvette braking system
Options: 4-Wheel Drive, CD Player, Sunroof, Rear A/C, Trailer Hitch, Mud guards, RV capacity transmission cooler, Cold air induction system, Computer modifications, Battery grounding kit, Auxilliary port for sound system (owner installed), Oil catch can, K&N air filter, Dashhawk scan tool (ALDL port), Transmission controller modified
Vehicle Title: Clear
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2007 Chevrolet Trailblazer 1SS Description

1 owner truck, non-smoker, meticulously cared for since day one. Below is a summary of performance and maintenance modifications performed on the vehicle.

Performance modifications done since I have owned it from brand new:

Cold air intake with K&N filter media.

Deleted the rear “resonator” muffler to give it a throatier sound and allow the LS2 V8 to roar a bit more than stock. The sound level is fine for me, a guy who doesn’t like loud vehicles. When you really push it hard it screams pretty good but I wanted that. I kept the muffler just in case I or anyone else every wanted to put it back on.

I had the PCM/TCM flashed shortly after purchase of the vehicle by what used to be PCMforless.com out of North Carolina. They took out most of the factory-installed torque management and I also had them firm up and slightly modify the shift points of the transmission. This increased the performance of the truck dramatically from stock. It chopped off a full second in the ¼ mile!

I installed an RV-sized transmission cooler shortly after purchase to save it from heat soak, the #1 destroyer of all transmissions. The trans still shifts well to this day.

I installed an oil catch-can for the PCV system, which collects oil that blows by instead of allowing #8 cylinder to burn it off as set up from the factory.

I installed a battery ground kit from one of the trusted aftermarket suppliers that helps with the poor grounding that these trucks had from the factory.

There is a Dashhawk scan tool that I bought years ago plugged into the ALDL port under the dash that reads all sorts of vitals and parameters of the engine and operation of the truck. They don’t support it any longer with software upgrades, but it works well and I have never taken it out of the truck since installing it. It is mounted on the dash near the left A-pillar in plain sight of the driver position.

Maintenance and other items:

I do most of the work myself, so I have always changed my own oil and filters with fully synthetic 5w-30 since new.

Front struts were installed a year or so ago.

Spark plugs were changed with stock replacements (100K mile style) a bit over a year ago.

Both front O2 sensors were changed the same time the spark plugs were changed.

New drive and A/C belts were installed about a month ago.

TPMS sensor on the rear left was replaced last week.

The battery was replaced fairly recently and I have the paperwork for the prorated warranty that comes with it.

I installed an auxiliary port for the sound system so that I could plug in a phone or iPod for music. This was spliced into what was the Sirius radio wiring, so that won’t work if you wanted it unless you messed with what I installed for the aux port. These trucks did not come with aux ports from the factory and many owners installed them.

I have the plastic engine cover in my attic. I took that off the week I bought the truck and never put it back on.

I also saved the stock intake system.

I hold the title free and clear of any liens or issues. It’s ready to go on to the next owner.

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