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Getting the 998 about to fire up for the first time since I got her in October 😬 Finishing up the fuel system and was considering replacing the sensor on top of the fuel filter with a dial pressure gauge.. Then I started thinking about having it in the cab on dash.. The. I started...

Been looking for TM or MWO on the fuel tank access cover.. Anyone point me in the right direction or have measurements for cutout?? Thanks much Ocho

Loosing my brain.... I know I printed this up months ago but cant find it.. Anyone give me location to M998 Lubrication Order..... Thanks Never MInd....Found IT 👊 Ocho

So, 1989 M998, Replaced tranny and tcase and was about to reinstall vent lines.. Saw the TM for the “new” setup which I can handle fine. Was checking for obstructions in line by blowing a little air through lines. The lines definitely returned air back to my end after I put a little pressure...

Getting ready to toss the 3l80 np218 back in but can’t seem to get a good look in any of the TMs for the cooling lines installation.. Can anyone assist me in which one goes to upper line and which goes to lower line ?? My thumb is on one line and index finger on the other... Does it matter...

Cleaning up my M998 Generator. Cleaned up well but several cracks and pieces are missing from an external band. Not sure of material or importance of this “band”. Anyone have any info on portion of Generator shown in this picture below. My generator is missing most of this coating and was...

Hola Peeps, I'm rebuilding the 1989 6.5L NA non turbo M998 and currently onto the transmission portion. Was looking into a new torque converter and was wondering in anyone had any recommendations for a unit. I'm not quite sure on stall speed for my usage (mostly driving around town) . So...

Hola peeps.. just wondering what kind of options everyone is using for these seals... The hood airlift seals are getting pretty pricey but I see a few other options out there.. Just wondering if anyone is using something other than the originals like this I found some other cheaper options but...

Ok, Rebuilding NP218 and having questions about the Speedo gears.. So, the helical gear I’m pretty confident in, however I’m still unsure about this speedo drive gear.. It’s a 35 tooth... I’ve read a lot and see the Black 32 tooth as the NP218 gear.. Here’s where my confusion starts. I...

Hola peeps, tore down my NP218. Now rebuilding but missing a few items.. Found most parts but stumbling on these shims for end play.. I’ll post picture below. Item is #6. Part number for kit is 5740228... I would just measure my shim but it's worn out to badly to get any measurements.. If...

M998... So I pulled out the fuel tank, front and rear drive shafts.. I’m slowly pulling everything out to work on undercoating vehicle and going through all the systems.. Time to pull the Tcase and Tranny.. Should I remove as one unit, or is there any reason I can’t separate T case first and...

I have a 3l80 and thinking about swapping to a 700r4.. Are the kickdown cable on my 3l80 and TV cable for 700r4 the same thing ??? Confused because isee people looking for these and wondering if they didnt come on all the 6.5l NA engines ?? OMG.. now after looking at schematics it shows the...

Done plenty of searching, but just can’t come to a conclusion... What glow plugs you guys running and what success you having with them.. I have an S3 and 6.5l GEP NA.. Thanks for replies and don’t ask me to do another search unless you can post a link.. I think I’ve seen most of em...

I've looked extensively. Can anyone offer up an option for a boot cover for my radius arm/tie rod ball joint on a 88 m998 ....PLEASE .. I've checked to ball joint and it's fine, nice and tight and fully contained.. just need the BOOT... so tired of looking. My eyeballs are bleeding. Thanks...

Anyone install an electric fuel lift pump (pre filter) , any reason to, and why or why not?? Just trying to get ahead of things before i start tearing down the 6.5 N/A in the M998.. And on topic of fuel, read somewhere about fuel additives such as 2 stroke oil.. again, anyone doing this...

Hola my peeps.... Just picked up my 1988 M998 and am looking forward to sharing my ride with you all on this forum. The plethora of knowledge on here is making my humvee quest a very nice trip. Ill be updating this post from start to wherever I get. hope to get some feedback and hopefully...