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2007 chevy trailblazer_lt
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Under my 2004 TB, 4 wheel drive, 4.2 automatic with under 100,000 miles - the right hand side 'appears' to be leaking.

First, can I drive this truck in 2 wheel high? Probably not, but you all definitely know more than me so I would appreciate your input.

Second, what might be my best plan of attack to repair this? I will have to pay a mechanic as this is out of my league. A junkyard part is probably out of the question as my truck is located 10 miles from a local mechanic here in the country or 45 minutes from the city. The country (good but very busy) mechanic is reasonable and decent, so I lean towards having his company do any work.

Any and all input is welcome. Thank you!

Edit: Upon further review it appears my power steering fluid is low. I remove the PS dipstick to see the level on the lowest notch. What is the best fluid to use in the PS pump? Once I fill that I will let my truck rest and re-check fluid levels in a week.
I just did the maintenance on the whole drivetrain for my 2007 4.2 4x4. I’m noticing that your leaking fluid appears red. The gear oil in the front and rear diff are probably black (if you haven’t changed them in a while). Transfer case fluid is blue (green if it’s dirty). Your leak could be ATX fluid, which is red, but I doubt differential or transfer case.
Start my putting some dye in when you top off the PS reservoir and go from there. Make sure you check your ATX level while you’re at it.
 
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