P1000 Missing coolant

[BobbyV22]

Well, we had the engine rebuilt from a blowup that the mechanic said was because the electric fan motor wasn’t kicking on. So after all that my son got it back out on the trails and in some mud.
came home today and said he started to overheat so he looked the engine over and noticed there was no coolant in the overflow and none in the radiator. He had just done a radiator flush and put all new coolant in. There was no smell and nothing puddled up under the SXS. No coolant in the oil so we are wondering where this coolant could be going? As always any help would be appreciated. I wasn’t there and I didn’t do the flush.

 

[Admin]

 

[Hondasxs]

These units have been known to hold air. New from factory it was bad 2018.
If this was the case once it flowed out the levels would go down.
Fill it back up and run it again.

 

[TripleB]

Well, we had the engine rebuilt from a blowup that the mechanic said was because the electric fan motor wasn’t kicking on. So after all that my son got it back out on the trails and in some mud.
came home today and said he started to overheat so he looked the engine over and noticed there was no coolant in the overflow and none in the radiator. He had just done a radiator flush and put all new coolant in. There was no smell and nothing puddled up under the SXS. No coolant in the oil so we are wondering where this coolant could be going? As always any help would be appreciated. I wasn’t there and I didn’t do the flush.

100 bucks says your coolant is all over the ground somewhere.

 

[BobbyV22]

100 bucks says your coolant is all over the ground somewhere.

Well he filled it back up with water and it still doesn’t leak all over the ground!!! Been told in a few groups that it is probably an air pocket and that it flash boiled when it was getting hotter. So, I’ll drain the water he put in it and refill with coolant.

 

[TripleB]

Well he filled it back up with water and it still doesn’t leak all over the ground!!! Been told in a few groups that it is probably an air pocket and that it flash boiled when it was getting hotter. So, I’ll drain the water he put in it and refill with coolant.

I'm betting it boiled over while you were driving and you didn't notice it. First time mine overheated , I wouldn't have noticed if it wasn't for my wife.

 

[JenElio]

Well he filled it back up with water and it still doesn’t leak all over the ground!!! Been told in a few groups that it is probably an air pocket and that it flash boiled when it was getting hotter. So, I’ll drain the water he put in it and refill with coolant.

Did you guys burp it when filling it back up the first time? If not, do it now when you fill it up. Have the machine idling while filling it up with the front end elevated off the ground about 2' or so

 

[BobbyV22]

Did you guys burp it when filling it back up the first time? If not, do it now when you fill it up. Have the machine idling while filling it up with the front end elevated off the ground about 2' or so

I wasn’t there when they flushed the system and cleaned out the radiator. I read the manual and didn’t see anything about lifting the front end up. But you are the second person that said lift the front end up. I can run the SXS up on my ramps and fill it for sure. Thanks for the tip.

 

[HondaTech]

What year machine?

 

[BobbyV22]

What year machine?

2016 1000-5 engine has 130 miles since complete engine rebuild. Well that was the mileage before he left for weekend and radiator remove and flush.

 

[HondaTech]

2016 1000-5 engine has 130 miles since complete engine rebuild. Well that was the mileage before he left for weekend and radiator remove and flush.

What all was replaced? I would think an overheated engine failure would warrant a new head atleast?

The 2016 models weren't known for fan failure, that was 2017, 2018 and some 2019 models.

 

[BobbyV22]

What all was replaced? I would think an overheated engine failure would warrant a new head atleast?

The 2016 models weren't known for fan failure, that was 2017, 2018 and some 2019 models.

Everything was replaced. The rod blew the cases out. I don’t believe we used a single part from the old engine. Maybe a bolt or 2. $8000 rebuild.

 

[Remington]

Been told in a few groups

🤔

 

[Tma]

When burping where are you refilling? In the reservoir or directly in the radiator?

 

[Tma]

Mine drains out of the overflow line on the reservoir

 

[Backcountry]

I've had the same problem on my 2016 1K, local Honda service manager suggested maybe it's leaking into a piston chamber and going out the exhaust.??? Sometimes when I check the overflow res it's low and sometimes it's above where I filled it to. Never find anything on the ground or anywhere, though I have always smelled coolant when it's running.

 

[0860silverado]

I've had the same problem on my 2016 1K, local Honda service manager suggested maybe it's leaking into a piston chamber and going out the exhaust.??? Sometimes when I check the overflow res it's low and sometimes it's above where I filled it to. Never find anything on the ground or anywhere, though I have always smelled coolant when it's running.

Check your weep hole. There's a rubber tube that protrudes through the skid plate. If you get a dribble when you shake it, it's your weep hole draining a little fluid. Not a big deal yet but may get worse with age.

 

[JenElio]

....... If you get a dribble when you shake it, it's your weep hole draining a little fluid. Not a big deal yet but may get worse with age.

🤨............🤦‍♂️

NoMo!!!

 

[Remington]

my 2016 1K,

👮‍♂️🚨🚔
Shut the front door!
Sorry my deputies need to put more road patrol time in! 😂

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