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I just installed a set of Laufenn X FIT AT LC01 LT35/12.50R17 121S Tires I found on Amazon for only $180 each. This is a Hankook brand, so I felt should be a quality tire. They were easy to balance, so that is a good sign. The seem quieter than even the General Grabbers that they replaces...

So, I decided to do a 2" to level the truck, and since I was adding air to the rear, could control the truck's level with loads.. and as I typically do, it led to all sorts of other things, including the control arm replacement with slightly longer ones to keep the proper axle geometry. First...

Seems I have a strange addiction to truck modifications and additions.. one thing leads to another, or several other things. So I wanted to add rear air springs and level the front with a 2" lift, but that would mean with load the rear would be lower than front, so the air springs were the fix...

So, in the process of doing a long list of upgrades and fixes… I decided to get rid of the grid heaters, partly because they have had some fail and damage the engine, and certainly the cycling power demands was substantial and a strain on the electrical system. The other part is where these...

Ok, seems I've got more than my fair share of strange things on my truck... here's a kind of new one that has been getting worse. When the alternator is under high load, say over 90 amps, the truck idles very rough, and appears to be misfiring on at least one cylinder. It goes away as soon as...

Well it seems the TIPM stories abound, and I may have a new twist. After looking around, I have not seen anyone else with similar issues, and I'm now about certain it's the TIPM. So to the point, then I'll follow with history and how I think I've nailed it to the TIPM: When connecting any...

Well, the days of delete are becoming more difficult.. we can thank the "rolling coal" crowd in some ways for that. The early 6.7 with the LNT / Bluetec system gets horrible MPG and has serious fuel dilution of the oil issues.. and it's a system that seriously limits the options for the...

Ok, so I have dual alternators.. I know overkill.. but beside the point. After doing a clutch job, some clutch fluid spilled on the connections, causing some corrosion.. on next drive I get "check gauges", with normal voltage.. wierd.. but all I have to do to make it go away, switch to the other...

After seeing some others who have done similar due to known high temp issues with the G56, I finally got around to completing my design and install. Pictures follow, when I get time I'll try to put together a parts list. The orange filter is for the transmission fluid, other 2 are fuel filters...

I just completed a 2700 mile trip. The oil has about 3000 miles and was just under full when changed. During my trip I noticed the DIC saying to change engine oil. It was reset with my last oil change. Finding this a bit odd, when I knew that the truck was level, I checked the oil and it's about...

Well, something new today. I have about 49k miles, towing a 5000# trailer.. and in 5th gear on a gentle grade I get what I recognize as slipping clutch. Having had a car with a slipping clutch for quite some time before replacement, I can detect the rising RPM under acceleration that doesn't...

I was inspired to add an additional filtration due to the second OEM kit being actually a pre-filter water separator, which is OK, but 2 or 3micron is what I'm looking for. So I found an inexpensive filter base, made a bracket, stiffened the OEM mount, and hooked it up. I also added a manual...

On a trip and flat.. could not find the puncture with soap bubble.. so took to Les Schwab.. turns out the rim has a hairline crack, and not at a weld. Had to get a new rim, tire is OK.. anyone ever hear of flat tire via cracked steel rim?

After a recent battery debacle I've been looking for ways to enhance electrical system reliability.. I found an article about adding the dual alternator set up for a 4th Gen, but it seems to be a bit of a mystery for 3rd Gen. Looking at it today seems some modifications to the fan shroud bracket...

So I go to drive the truck today.. dead batteries.. which is weird, they are about 1 year old Oddesy performance AGM batteries, kept on an Odessy approved Minn Kota on board charger, which was plugged in... I read up on restoring discharged AGMs, involving a high charge rate, each at 55amps...

I recently did the coolant flush/fill and replaced the thermostat. I ended up with the 200F thermostat, used on the '10-'12 trucks, but seems mine, a 2009, had a 190F originally, and the '13 and newer also have 190F. Does anyone know why this change was made for those years, and if there are any...

I recently replaced the original batteries, they were approaching 7 years, still cranking OK, but I was seeing more strained starting, and bigger voltage swings with the grid heaters so figured best to replace before failure and save the rest of the starting and charging systems the strain of...

I'm relatively new on TDR, I'm on my 3rd Diesel truck first 2 were Duramax, the last one a lemon.. but it was mostly due to the 2007 MY emissions added in that year. I really miss the 2005 and a mostly NO emissions engine, with a ZF manual transmission.. in any case when GM bought back the lemon...