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Old 02-14-2023, 10:46 AM
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darkminion_17 darkminion_17 is offline
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Join Date: Aug 2010
Location: New Jersey
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Originally Posted by Oak View Post
Update...

I got the injector pump back together, installed and bled. This was pretty simple, don't be intimidated.

Replaced the glow plugs with NGK 2031 (Y-103V).

Installed new China gear reduction starter.

Brazed the leaking radiator.

Engine starts and runs great.

After 2-3 minutes of running, it is in the overheating range on the gauge.

When I pulled this into the shop I drained what little antifreeze was in it. I then pulled the radiator off for repair, pulled the hoses and flushed both of those and the block with a hose. I got a lot of nasty rust out of the block. Look how this lower hose was clogged with rust and crap.
Attachment 112055
The bypass nipple on the water pump was clogged also. Then I found the thermostat was missing. Now I'm pretty sure the PO had an overheating issue too.

Here is where I'm at now. Even with no thermostat in, it still over heats. It's almost like I'm not getting enough flow through the engine. The water on top of the radiator was only around 105 but the gauge was almost to the far right.

I ordered a new "el-cheapo" water pump for some testing to see if my existing impeller has corrosion causing poor flow.(I doubt that is the issue)
https://www.amazon.com/AULINK-15534-...ps%2C97&sr=8-7

I'm also thinking about adding some of this to the cooling system to see if it will help.
https://www.evapo-rust.com/crc-thermocure/

Do any of y'all have any suggestions? TIA
The lower radiator hose has a some piping, did you remove all of those? You might have to fill the block with that stuff undiluted and let it sit for a few hours, then flush it out without running the engine.
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Cub Cadet is a premium line of outdoor power equipment, established in 1961 as part of International Harvester. During the 1960s, IH initiated an entirely new line of lawn and garden equipment aimed at the owners rural homes with large yards and private gardens. There were a wide variety of Cub Cadet branded and after-market attachments available; including mowers, blades, snow blowers, front loaders, plows, carts, etc. Cub Cadet advertising at that time harped on their thorough testing by "boys - acknowledged by many as the world's worst destructive force!". Cub Cadets became known for their dependability and rugged construction.

MTD Products, Inc. of Cleveland, Ohio purchased the Cub Cadet brand from International Harvester in 1981. Cub Cadet was held as a wholly owned subsidiary for many years following this acquisition, which allowed them to operate independently. Recently, MTD has taken a more aggressive role and integrated Cub Cadet into its other lines of power equipment.

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