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If you increase the target gear, you won't get much braking effect on medium and lower speed descent since the trans won't downshift and raise engine RPM to where the PAC brake is most effective. I assume you can manually shift it but what's the desire to not have this automated by the computer...

Interesting. Wonder how long or how many power cycles it stores them.

Used to use that a lot. It's AWEFUL to clean up if you ever have to go back in there. I personally use The Right Stuff black. It's a "1 minute RTV silicone." Works amazing on SBC china walls..... Hylomar would be another interesting choice. Also requires a special solvent but it's reusable...

The slide hammer bead breaker takes less than a minute typically. With the tire laying on the ground. If you haven't tried one I highly suggest it. I get why people try hammers and wedges and soap and hanging stuff in the air and all kinds of home brew techniques - but the tire industry solved...

WABCO ABS module is also on the J1939 although I haven't got one to speak over that bus - only via J1708. They will complain with an ABS light though if the bus is down. According to the schematic they are connected to both busses. It is also possible in theory to connect the 260 amp alternator...

You can avoid all of that labor with the proper tool I linked above. It's what the military uses - a 50" slide-hammer bead breaker.

No - the CTIS module has no history code function. Although it will still attempt to operate with some codes. It's not a sophisticated computer.

If you have significant tire pressure imbalances it can have a hard time till the system gets them equalized. Check your tire pressures before you startup the truck and make sure they are all even then see what it does. The most common issue with CTIS is leaking tires or bad wheel valves.

There BIG o-rings between the wheel halves. Must have new ones for new tires.

Not that hard. Did all 5 of mine. You REALLY want one of these: https://www.amazon.com/Ken-Tool-35926-Automotive-Accessories/dp/B000P6USVA

Have you read through the troubleshooting manual in preparation of receiving your computer diagnostic parts? https://media.spicerparts.com/cfs/files/media/WQ86BTpCnbQ52SaSq/axts-0015.pdf

Check your air line bundles. This is a PS magazine article from 2018.

Well that's 1,760 watts of solar. Not 2Kw. But yeah very similar to my setup except I only have 12' of habitat on my M1079 van. I think my panels are technically 405 watts each. But again it will derate due to heat so you'll probably only get about 1.4 Kw if it's sitting in the hot sun. That's...

It makes a HUGE difference. That's why I did it. I did thermal imaging before and after. The 1079 van construction does have thermal breaks between the inner skin and the aluminum studs but they just aren't that effective. The inner walls get CRAZY hot when the outside is in direct sun. This...

2 KW is a LOT of solar. But remember they won't produce peak power unless they are angled directly at full sun, and also unless it's a sunny day in winter the panels will derate due to heat. I have 1.6 KW on my truck and the most I have seen it put out is about 1.3 KW when I'm driving the truck...

I'll send you a PM - probably shouldn't post your email in open forum for bots to scrape it and add you to mail lists.

The military only use the 3126b. The 3126 (non "b") was back in ~96-98 and the military was still using the 3116. The 3126b was introduced in 1999 and that's when the military began adopting it. EPA rules don't apply to defense engines. The service manager is wrong and if he actually contacted...

Clean all the electrical connectors to the transmission with Deoxit. You need the Allison DOC software hooked up or something like a DPA 4/5 or the BlueFire J1939 to be able to scan for codes in real time while you are driving so you can see what the TCM is complaining about. Need to know what...

Your truck is the 3126b engine? It's not illegal to flash it to the 330 HP map - you can pay CAT corporate for a "rerate" if you talk to the right people. Or you can send me your ECM and I can do it for $600 and also change any other features like turning on cruise control, and correcting for...

I'm running a derivation of the 260a, yes. My truck came from the factory with the 260a as a 2008 M1079 A1R. I'm running the 300a version for the HIMARS missile platform.