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Hello guys. Sorry to bother you, but I have a question about ctis and the front axle. I rebuild my front axle due ctis seals replacement. it should not be the reason, but now if I power on the ctis and the system is pressurized, the front axle and differential is also under pressure and air...

Hello guys. Today I tried to do the brake maintenance of my M1078 A0 truck. The brake itself was quite easy to rebuild, but I was not able to loose the nut that fix the brake chamber, to be able to unscrew the chamber from the brake assembly. How did you loose that nut, or can I try with a big...

Hello forum. Do you suggest to block the air ride system when doing heavy offroad, like on steep hills / dunes? What else you would do when crossing a sandy desert zone, except air pressure and 4wd mode engaged? Christian

Hello forum. My hydraulic winch motor leaks. Oil drops from time to time from the safety relief valve, also when winch is not operative. Did someone had the same problem? Or did someone open the winch motor and did some mantainance on it? Thanks for any help! Christian

Hello forum! The spreadsheet of the quick parts is not accessible from some day ago. It was so helpfull, did someone have a copy, or maybe look why the access is now user protected? I tried to ask for access, but got no answer... Thanks! Christian

Hello forum. I'm fighting with the front right suspension, the front grease zerks is not taking any grease. What I did: - change the grease zerks to a flat one to be able to put grease gun (?) - use heat gun to warm up old grease - use of bottle jack to reduce weight on suspension nothing...

Just a small modification, I hope it helps. Looking at some vid's the main weak point on the ctis wheel valve is the shrader valve. I decide to change it with a screw. It's not a completely protection, but better than nothing.

Hello forum. Does anyone know if on the air pressure gauges that are on M1078 it's possible to set the zero point? One on mines start below 0 and when the other reach 110, this one shows only 90. Don't know if it's the transducer or the gauge. Pressure on both tanks are equal... Thank you...

Dear all! Does someone know the power consuption of the cab ventilation fan? It's the classical fan without AC, I want to try to get it working with a PWM control instead of the on 1-2-3 switch... Thanks! Christian

Hi guys... I found a company that maybe can build a Torsen differential for rear and front axles. The only thing is that minimum is 10 lockers. I need 2 of them for front and rear axle. Anyone intrested? Christian

Hi there! Anyone knows where can I find the plug with or without cable for the warning light kit? I want to use the the socket back on the cab on top to power a LED bar in front. But I need the round 4 pin plug. Anyone knows a part number or where can I get it? Thank you! Christian

Hello forum. I have a quite strange behavour that I don't know if its serious or not. It happen very randomly (in 2 years 5 times), so I don't think it's critical. Batteries are full... Happen that when I press the start button (of course the mains switch is on) the starter crank, but only for...

Hi forum. I think I'm too stupid for this type of work, but I'm not able to remove both brake drums on my M10278. I use air from the emergency gladhand to release park brake wheels are of course removed, little rust between rim and drum, but nothing special drum is completely firm, no movement...

Hi forum. Someone asked me to publish some more information about our truck and modifications we made, I decide to start a new topic with some pictures / stories.... Now 3 years ago we bought the M1078 from a german company that mounted the living box too. The inside of the living box is made...

Hello all! Does anyone have a civilian part number of the 18 rim bolts? I need to change the tires and want to have some spare bolts if one or more are rusted, unusable... Thanks! Christian

Hi guys (and hopefully also some ladies) Did someone though to convert the clutch fan for the radiator to a electric driven fan? I hate the moment when at 2300 rpm the clutch engage the fan and seems that everything is blown up! There should be enough space to put a electric fan right behind the...

Hello all. I own a M1078 A0 from 1997, with the "D" sign on the VIN plate. The truck have now 15.000 miles on (7.000 by me) and have not really feelable vibrations, except somtimes the unbalanced tires. I have default gears, no high speed gears, but the detroit locker in back axle. All screws...

Hello! I am thinking about putting on a M1078 with the 3116 engine and 225hp the high speed gears and 3.07 ratio. But I am not sure about the loss of the 20% torque, if it's noticeable and have on steep / sandy terrain a negative impact on handling/performance. Does anyone have experience in...

Hello forum. What is the best way to check the compressor gear nut? It's a common issue and I wonder if it's usefull to check it once per year. But do I need to remove the hole compressor to check the nut, or it's enough the remove the front housing cover? Thanks a lot and best regards from...

Hello all. Today I was sniffing around under the truck for some mantainance and notice that of 4 screws that hold the starter and attach it to the flybar, 1 was lost and another one was on the way of loosing... So next time when you are under your truck throw an eye on it... Christian