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Made this up based on the responses in this and other threads. I'll come back and update periodically, so if you have updates, please reply to this thread with the status of your state. Maybe one of the Mods can make this a sticky? Updated: 4/05/2025 WY GTG Updated: 4/03/2025 DE GTG as...

I'll try to make a long story short. I had a Freon leak so I needed to replace the condenser and recharge. I got the new condenser plumbed in but I still have to fab up some new brackets as the replacement was just a bit wider than the original for some reason. I wanted to charge the system...

I replaced my belts yesterday and I was going to buy another set to have on hand. The PS and Generator sets are easy. But I have an aftermarket AC kit installed. The AC belt that came in the kit is marked "15440", no manufacturer printed on it. The instructions state included was a belt "7440"...

I was watching the news and saw the Taliban parade our equipment. Many of the HMMWV, trucks and other rolling thunder had white wall tires? Here is one picture I found. Maybe they just painted them on. Looks like they also did some pin stripping on some of the vehicles too! Please tell me...

Hello, The four X-Doors I have a some de-lamination. I have been doing some searching, and it seems that the least costly source for replacement glass to solve the de-lamination issues for all four X-Doors is Federal Military Parts. A set of four Grey Tinted Unframed Replacement Glass Windows...

Just looking for any members in Central Florida that might be able to recommend a shop to change out stuck and broken glow plugs in a 6.2 Detroit Diesel? Not many shops are willing to work on Humvees :(

Again looking for advice from the collective. As I put in a post previously, I made the mistake of attempting to change out my glow plugs myself. One head had one that was rusted to the treads and would no budge with a breaker bar and rounded off the head. Another on the other head actually...

Was busy today trying to replace all the glow plugs as a maintenance item. Got busy on the pass side, cylinders 8 & 6 went smooth. Cylinder 4 was seized. The officer I bought the M998 from said he replaced all the glow plugs, but #4 was a different shade and I think he never did #4 as he did...

Hello once again. I tried searching. I beg the collective for some more of your fine advice to help me avoid wasting tons of $ Before I upgraded to a 200 AMP generator, the Wait Light did not light for the last couple months. I would wait a minute after turning to run and the truck would start...

Hi there. Another opportunity for you guys to mock me. I am planning on installing a rear winch. I have the m998 WINCH MOUNTING PLATE 12469385 REAR 5340-01-485-5962 I assume the rear lower a-arm bolt goes to the the yellow arrows. I don't have much of a shop, and I am old and feeble. I...

Hello, Once again I ask the collective for guidance on a question I came up with regarding upgrading a 60 AMP to 200 AMP gen. Please reference this YouTube: at the 16:30 mark. The creator references that there is a second cable supplied in the conversion kit that goes to the first battery...

I am hoarding parts for a 60 Amp to 200 Amp generator conversion and I need the knowledge of the collective again. This time, it is belt routing after the conversion. I bet there is someone here that has a 200 AMP generator with AC and can tell me how their v-belts route! A "Normal" M998 with...

Yet another request from the collective on a shortcut or procedures to help me save tearing up my hands, destroying my radiator, or breaking my fan. Once the Florida Inferno subsides in 5 months, I am going to replace all the V-Belts on my M998 6.2 NA and replace the Fan Clutch Host with one of...

Once again the NOOB must come to the collective to get advise. Recently, I began hearing a whistling noise that I have been unable to track down. At first I thought it was bad belt(s) or a bearing going out, but now I think it is something else. It sounds like a whistle to me. Maybe a vacuum...

Hello again folks. Another newbie question here. Possibly something I am concerned about for no reason, but I will ask anyway since is the first diesel engine I have owned. I understand it is possible, but not likely, that the 6.2 NA can run away under some unlikely conditions. So I am thinking...

Yet another newbie question for the experts. I was thinking of mounting a rear hitch on my M998, using part number 5340-01-485-5962, this Humvee m998 WINCH MOUNTING PLATE: I have this bumper and receiver. Will 5340-01-485-5962 work on the bumper I have and will I be able to keep the...

Folks, My luck just seems to be going from bad to worse. I am working two different AC problems in different threads and now another horrible issue developed. When starting the engine I heard a horrble grinding sound while cranking. I get under the truck and pull the Torque Converter cover...

Yet another question for the collective. I did scan the electrical diagram I have for the M998 but I am not seeing this Fan Sensitivity switch. After converting my TH400 to a 4L80, I moved the Fan Sensitivity Switch that was located on the throttle body, to the back of the engine. I used the...

I have done lots of successful AC repairs in my time on a bunch of cars. But since I don't have much experience with my M998, I thought I would ask the collective's advice. When I first got my M998 last year, the AC was a bit warm, and the sight glass showed bubbles. So I added about 3/4 of a...

Another Q for the collective. I have seen HMMWV that have rear AC installed. I did some quick searches and did not find any kits that have rear AC. My current AC is the one that mounts under the radio shelf. I supposed there might be some generic parts for civi trucks but they would be 12...