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M1008. While modifying the front grill in order to reroute hoses for my external transmission cooler I removed what at first looked like a horn. Inside is nothing but a standard auto light bulb. Very well made, with its own grounding wire. The hood of the cover has one small slit to emit a small...

1984 M1008. Thinking of replacing radiator with aluminum. If I do, what type anti freeze do I use. I've spent so much time reading all the info (some of it conflicting) that my brain hurts. Does anyone know for certain what in heck difference between pink, yellow, red, whatever?? I guess I won't...

Plow truck only. I am replacing my radiator and am contemplating placement and routing of my external transmission cooler. Most people seem to route the trans fluid through the engine radiator first, then to the ext. trans cooler, then back to transmission. I feared that, on very cold days, the...

I've looked all over. 1984 M1008. I've tried calling it a c30, k30, k3500 . Can't find anything. Has anyone bought a REAR BRAKE BACKING PLATE for this vehicle? Mine has "BENDIX 3207587L stamped into the back of the plate. The Bendix website does not recognize this number. If anyone knows for...

I've got a stock 1984 M1008 that I use solely for snow plowing. I plow with the transfer case in low 4wd. On a few occasions I have spun all four tires at the same time when pushing a heavy load on packed snow. I use V-bar chains on all four wheels. Is there some locking or limited slip feature...

Will the wheels from a 2007 Chevy 3/4 ton (8 lug) fit my 1984 M1008? I've got a chance to buy all 4 with good tires at a good price, but it's a long drive just to see if they fit. (245 75R 16)

1984 M1008. Have newly rebuilt transmission (TH400) and transfer case (NP200). When I coast down a hill in 4WD with hubs locked I get an intermittent rubbing/grinding noise. I do not get any noise when I unlock the hubs. I sucked some differential fluid out of the front differential and it is...

I've got a 1985 M1008 used only for snow plowing. This winter the fuse for the wipers blew when I wasn't using them. The plow was piggy-backed off the wiper fuse, so that's how I knew the fuse blew. It happened twice and it seems the fuse blew when I turned the wheel to the left. I moved the...

Which is the pressure cooling line on the TH400 trans, and does it go to the top or bottom of the radiator? (I have had a cooler installed that bypasses the radiator, and I want to include the radiator in series with the external cooler.)

Which is the pressure cooling line on the TH400 trans, and does it go to the top or bottom of the radiator? (I have a cooler installed that bypasses the radiator, and I want to include the radiator in series with the external cooler.)

I removed my leaking fuel pump and covered the hole in the block. Installed electric pump and everything runs fine. I remember reading about a pin or rod that connects the oil pump cam to the old mechanical pump. I did not find this when I removed the old pump. Will it do any harm if it is still...

A question for the board. I am having my M1008 TH400 rebuilt. I'm thinking of adding a cooler. I am tempted to add the cooler BEFORE the radiator (trans fluid to cooler, to radiator, back to trans). Here is why: The optimum trans operating temperature range is about 200 degrees F. Everything...

M1008 6.2L 4WD auto. Trans was misused by previous owner. I thought I could get one more season out of it. Wrong. No reverse now, and forward clutches slip, so I am going to get it rebuilt. Also, am going to add a cooler. I see ad for a "super" rebuild meant to handle higher HP and heavier duty...

I found advice (last year) for disconnecting flex line on top of injector pump and forcing air in into it until fuel ran out of filter overflow line. Worked perfectly and saved me much hassle. I used a regular tire valve with the rubber removed from the outlet end, which fit well into the flex...