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Alright, I scienced the sh*t out of this today. Took a thermocouple and measured air temps coming out of my upper vents with a/c on and recirc on. The H3 was parked outside but not in the direct sun. My a/c was rebuilt by Reloader 15,000 miles/2 and a half years ago, replacing everything in...

No. Perhaps consider contacting the shop in that link that offers the swap kits and see if they know of anyone.

Are you talking about a 6L80 (GM six speed automatic)? Start here. https://www.hummer4x4offroad.com/forum/threads/6l80e-6spd-conversion.10376/page-14

Just above halfway is pretty much where GM spec'd the temp gauge to read. It's normal. Hitting 3/4 is less normal but we're also dealing with some exceptional weather in many places right now.

Have you considered replacing your fan clutch? If it's having trouble at idle vs. when driving, that could be the culprit. That said, in my I5 it can't handle 110 degrees plus with a/c on at idle. I have to keep the RPMs at 2000 or above. Even though the Alpha and the I5 share the same...

I was thinking about it . . . but now is not the time. All of my allowance is going into getting the engine back into my Silverado.

If you want to "wake up" that Alpha you should change the gears from 4.10 to 4.56. That's a common swap and greatly appreciated by any Alpha owner that's done it. It will be a night and day difference and you'll probably get to what you were expecting from it.

Here is the fix from our friend Hunner. This is an OLD problem that I haven't seen come up in years. Heck, it's so old you could still find Radio Shack stores. The procedure here is the HUNNER method of installing it. Proceed at your own risk. I did not disconnect the battery as I wanted to...

Hope all is well now with Montana

I believe that tar is in every gas direct injection engine. Valves are no longer getting washed by gasoline since the spray is in the cylinder, not in the head. And F5, damn glad to see you!

Onstar is dead in our vehicles since we had 2G technology. It does of course exist in new GMs.

Ugh, sorry to hear that. Oh, I should clarify that my engine is an LT. Not that it matters much for this issue.

Looks good!

Never heard that either. Let him back it up. Hummers have always been 4WD vehicles, not AWD vehicles. Part of their genetic nature, just like 2WD USPS mail trucks are part of the Jeep DNA :) BTW, have you seen the recent Trailmater video with some Moab guys taking a AWD Subaru on Hell's...

So this will be going on the front bumper, mounted behind the D-rings?

John, sorry, I forgot that with this version of the forum software that I can't do those badges anymore. I'll have to close and/or remove this thread.

Congrats on the new low-mile ride!

In my continued search for The World's Greatest Snake Oil™, I have an update regarding my H3. I took it to Kansas from Phoenix. About 1100 miles on the way there (a couple of detours) and 1000 miles on the way back. Between Phoenix and just east of Albuquerque, there are several long grades to...

Wow, low miles too.

I'll be using Nikal's approach soon for my driver's seat with a hole in the upright bolster and worn leather on the back. Plenty of decent auto interior shops around here, and I know one that will likely replace those panels for $150 or so.