Brand new bx2680 issue!

[Chaentjens]

Might be.

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[jhschlak]

Might be.

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This place says they only need 3.5 oz. I am going to check and see if I have enough.
https://m.blackstone-labs.com/Faq

 

[Saxman]

Check or replace the radiator cap. I know it's a long shot but a weak cap spring can cause coolant loss. They make kits that you can use the hand pump to pressurize the radiator and also to check the cap spring.


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[maclean]

On my BX25D my hose clamp on the overflow tank was loose from the dealer.

 

[Chaentjens]

Check or replace the radiator cap. I know it's a long shot but a weak cap spring can cause coolant loss. They make kits that you can use the hand pump to pressurize the radiator and also to check the cap spring.


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I was just thinking that for the reason while I was running it today I realized the air intake is right next to the cap. If its leaking a small amount it will definitely be sucked into the inlet!

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[Saxman]

Be easy to check. Like in Sling Blade the movie where Karl is looking at a tiller that Scooter can't get going. "It ain't got no gas", always check the simple things first!


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[Grouse Feathers]

Probably a dumb question as it sounds like you have checked everything, but have you ever checked the overflow tank when the engine is hot? Not after a cool down prior to shutting down, but jumping off the tractor while mowing and popping the hood for a quick check of the overflow tank level?

 

[Chaentjens]

Yeah
It's about the same level as I started with.
It should be higher from engine heating up.
Mind you this is after running for an hour or so.

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[tinkerwitheverything]

I've got a bx 2370-1 with 700 hrs and it has always used a bit of antifreeze. I have to add maybe a pint once every 6 mths. Took me awhile to find where my leaks. It seeps a bit from the weep hole on the water pump. It doesn't make any mess or anything like that on the motor or anything. I do know it comes from there because everynow and then I'll get a whiff of hot anitifreeze. The only way I found out where mine was leaking was that you can see the stain around the weep hole on the underside of the pump. I installed a cab and cab heater and put my return into the lower rad hose so when I was making up my fittings and hose connections I had to remove the lower rad hose and was able to really get a good look at the water pump. Its still under warrenty untill next spring and really for the amount of fliud loss that I have I'am not to concerned about it. Sometimes the mechanical seal on the pump shaft just doesn't seal quite right, be it on cars , trucks etc;

 

[Chaentjens]

I kind of had an epiphany last night when I was looking at the tractor I had it running at 2700 rpm The air intake is right next to the radiator Cap .when I opened the cap while it was running a couple drops fell off the cap ,the drops immediately Got sucked into the inlet. The cap is a cheesy Chinese unit if it is leaking at all I would never know because the intake was instantly sucking it in. I ordered a new stant cap. I will see if this changes anything.

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[geoff]

You could tape or tie a bit of cotton sheet on the water pump vent and round your rad cap, or hose fittings, run it hard for a day and check for staining.

 

[Chaentjens]

Yeah ! Seems to have stopped the issue.

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