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  1. steelsoldiers

    Steelsoldiers’ BIG M1152A1 HMMWV Project!!

    I’ve changed the oil a couple of times already, but how does the injection pump leaking fuel into the valley affect the oil?
  2. steelsoldiers

    Steelsoldiers’ BIG M1152A1 HMMWV Project!!

    Got some good news today! I’ve been trying to figure out where this knocking sound was coming from. I found it hard to believe that a recently rebuilt engine with good oil pressure could have a bad main or wrist pin, but sometimes crap happens with a rebuild. I thought it might be a loose flex...
  3. steelsoldiers

    Steelsoldiers’ BIG M1152A1 HMMWV Project!!

    More progress this afternoon! I tapped gently on the parking brake lever with a large screwdriver and a hammer, and it gradually moved into the off position. Kroil did the trick! After that, I fired it up for another test run. I was amazed by how quick the truck was off the line this time. That...
  4. steelsoldiers

    Steelsoldiers’ BIG M1152A1 HMMWV Project!!

    Yep, you guessed it! Brake work! This truck has had a dead pedal since it rolled off of the rollback wrecker. When I say dead, I mean it would go straight to the floor with no resistance. Zip, zilch, nada. I suspected the master cylinder because one of the bails was bent and the reservoir cover...
  5. steelsoldiers

    Steelsoldiers’ BIG M1152A1 HMMWV Project!!

    Any guesses on what I’m doing today?
  6. steelsoldiers

    Steelsoldiers’ BIG M1152A1 HMMWV Project!!

    The guy I bought my truck from was nice enough to send me a spare turbo after hearing that mine was locked up. I tore the engine down to remove the turbo this afternoon. It wasn’t too bad of a job except for getting to the bolts that hold the exhaust onto the wastegate housing. Once I got the...
  7. steelsoldiers

    Steelsoldiers’ BIG M1152A1 HMMWV Project!!

    Got some more work done today. Fixed the loose/leaky dipstick tube first. I swaged the end with a drift to improve the interference fit, put on a new seal, and tapped the tube in place using a box end wrench and hammer. After that, I changed the oil/filter. Then, I installed the CDR valve and...
  8. steelsoldiers

    Steelsoldiers’ BIG M1152A1 HMMWV Project!!

    Happy Veterans Day, everyone! I’ve been getting lots of exciting parts deliveries over the last few weeks, but today’s delivery was extra exciting! My doors arrived from Georgia!! Can’t wait to get these babies mounted up! Probably going to be a couple of weeks because I want to get my soft top...
  9. steelsoldiers

    Steelsoldiers’ BIG M1152A1 HMMWV Project!!

    General Tools. Around $120 at Home Depot. The picture is pretty decent. There are a lot more expensive ones available if you need better picture quality.
  10. steelsoldiers

    Steelsoldiers’ BIG M1152A1 HMMWV Project!!

    I’m hoping and praying that’s the case! I left it under pressure for a few hours and there was nothing in the drain pain but oil.
  11. steelsoldiers

    Steelsoldiers’ BIG M1152A1 HMMWV Project!!

    I noticed my oil had a bit of a chocolate tint to it yesterday when it was pouring out of the dipstick tube hole. Fearing the worst, I rented a cooling system test kit this afternoon. I put 15psi on the system and immediately found three leaks on different coolant hoses. Thankfully, they all...
  12. steelsoldiers

    Steelsoldiers’ BIG M1152A1 HMMWV Project!!

    After getting the broken bolt out of the pulley bracket, I gave everything a good cleaning and then installed the new pulley and serpentine belt. The good news is it fired right up and the belt didn’t fly off. The alternator is charging and the hydroboost is boosting. The bad news is I...
  13. steelsoldiers

    Steelsoldiers’ BIG M1152A1 HMMWV Project!!

    Not opposed to that. Know of a good source for one?
  14. steelsoldiers

    Steelsoldiers’ BIG M1152A1 HMMWV Project!!

    My dad brought his borescope over today. Looks like I’ll be installing a new/rebuilt turbo. No telling how long it sat open to the weather. It looks like the hull of the titanic in there 🤦🏼‍♂️
  15. steelsoldiers

    Steelsoldiers’ BIG M1152A1 HMMWV Project!!

    That’s typically my rule as well. Just forgot to take it off this morning.
  16. steelsoldiers

    Steelsoldiers’ BIG M1152A1 HMMWV Project!!

    You are correct, sir! As soon as I started drilling into the broken piece, I could see it turning in the hole. I’m sure the Kroil soak helped a little. Thankfully, I was able to use an angle adapter on my impact driver along with some good sharp bits to drill a large enough hole in it to insert...
  17. steelsoldiers

    Steelsoldiers’ BIG M1152A1 HMMWV Project!!

    Great tip! Thanks! The bolt broke off almost completely flush with the front of the hole, so I think I may be okay without the acid treatment. I’ll keep you posted!
  18. steelsoldiers

    Steelsoldiers’ BIG M1152A1 HMMWV Project!!

    Well, look what I found last night! The broken bolt, washers, and dust cover from the missing belt tensioner! They were sitting on top of the steering box. No idea how they managed to stay there with all of the transportation it has seen. Good thing I already ordered some replacement parts lol...
  19. steelsoldiers

    Steelsoldiers’ BIG M1152A1 HMMWV Project!!

    It’s alive!! I ran a new piece of 3/8” line from the inlet on the mechanical pump to a jerry can full of diesel. It only took a few seconds of cranking to get fuel to the filter inlet. Another few seconds got it running out of the filter bleed valve. A little more cranking got it sputtering and...
  20. steelsoldiers

    Steelsoldiers’ BIG M1152A1 HMMWV Project!!

    Yes, the pump vent goes all the way back to the tank. I figured that out when I tried the trick where you pressurize the fuel tank to help with priming after running it out of fuel. Air started blowing out of the disconnected vent line, but it felt like it was coming out of the pump body. Took...
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