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I got the Pump pulled, but I could not figure how to get the pump shaft off of the timing/drive pulley. FYI, I took the pump in and the shop does not need the shaft to rebuild it. They have shafts to use for testing.

I'm going to use speeding mats also.

I got the cover off the pump and it looked like old diesel in it. I cleaned it the best I could, all the parts looked liked they were moving ok but still no fuel to the injectors. I guess the only thing left is to take it to get rebuilt. Any ideas?

Well I got my Trox tamper-poof bits today fro the top of the IP pump cover. But I did not notice last week that the bolts are 5 point and Trox are 6 point. Have to get more bits now.

Glad you made it home OK. Always nice to make it home with out to many problems.

I have a M923A1 and a M931A1 and they both down shaft hard. I also have a M936 that came with what looks like Dex3 and it down shafts much better.

Look like XZL and XL 14x20 to me. Should be OK.

Thanks guys for the help!!! I went to open up the IP and I do not have the right size Trox Tamperpoof driver to remove it. Off to town on Monday I guess... I did a little more testing and I have fuel coming out of the return, but none coming out of the lines to the injectors. I put power to the...

30AMP....wow!! Hope it is not toast.

I have had my MEP-005a for a number of mouths now and I finely got around to trying to start it, and it does not start. Has all the same problems listed in this thread. I have gotten the fuel to the IP pump. I will keep you updated and hopefully not ask to many (dumb) questions. I do have one...

Great read, Nice looking truck!!!! Always fun to pick up a truck.

Thanks!!!

I was thinking of doing something like that also but I need to know which way the coolant flows.

I was thinking I was going to install a coolant filter on my M936. But I was looking at the post above and one post says the coolant flows one way and the other post says it flows the other way. Anyone have any more info. on have the coolant flow is on the NHC250 or the heater flow on the M939...

Great looking job!!!

3

Well, I have repaired most of the problems on the m936. I added a hard top and some convoy lights and some Gas bottles.

I had a problem with one of my trucks and it turned out to be the turn signal switch housing. I took it apart and cleaned the housing and contacts and that fixed the problem.

I just did the diode jumper from wire 491 to 16 and it worked great. I Y'ed off wire #16 at the dimmer switch then ran it up and over to the lift light signal light. Made a jumper Y setup with the diode housing. Tested with all the lights and it work fine.

80/90w for me also.