P1000 Flushing the cooling system and where to get coolant for your Pioneer?

[JimmyA]

Good Info!

 

[Admin]

 

[EagleEye]

Glad it all worked for you.
There is a bleeder screw on top of the thermostat housing to bleed the air out as well. It’s located under the seat in the middle far back.

Looked all over for the bleeder valve. Found the housing, but no obvious screw. Can you post a picture?

 

[Bastardchild]

Looked all over for the bleeder valve. Found the housing, but no obvious screw. Can you post a picture?

Heres a blown up view from partsfish.com I will try to get an actual pic for you if this doesnt work. Take your seat bottom out and pop some of those plastic rivets out of the way and you can access it roughly underneath the female seatbelt buckles in the middle of the seat. Its in a pain in the butt location for something that has to be accessed as often as it does.
Part #14

 

[Bastardchild]

This is the panel I always pull on my wifes, along with some of the rubber sheeting. Pop the plastic rivets remove a few pieces of rubber sheeting, lift the plastic from around the seatbelts in the middle and you can squeeze in there with a baby 10mm socket or wrench and loosen it. I keep a baby ratchet in her glovebox with a 10mm socket on it at all times just for this damn bleeder bolt. Be warned, there is a copper crush washer under the bolt head that will fall off the bolt. Ive often wondered if I can somehow find a small stainless braided hose with the same threads as the bleeder bolt and just screw the hose into the thermoatat housing and run the hose out of the engine compartment up the rollcage a little and have a little valve on the end of it for bleeding purposes.

 

[EagleEye]

Heres a blown up view from partsfish.com I will try to get an actual pic for you if this doesnt work. Take your seat bottom out and pop some of those plastic rivets out of the way and you can access it roughly underneath the female seatbelt buckles in the middle of the seat. Its in a pain in the butt location for something that has to be accessed as often as it does.
Part #14

View attachment 162953 View attachment 162954

Thanks, after viewing the image, I suspected that 14 was the bleeder. Going to take more searching on my part to find it on mine.

 

[Bastardchild]

Thanks, after viewing the image, I suspected that 14 was the bleeder. Going to take more searching on my part to find it on mine.

Dont know what model or year P1000 you have, but my wifes is a 2018 P1000-5. Here in this pic I flipped the bed up and pulled the access panel to show you the backside of the thermostat housing. Its where the big hose comes in that Im pointing at. You cant bleed it from the rear, you have to remove the panel from the middle of the seat and get to it. Its a pain to get to. I just took a pic from the rear because Im being lazy today and dont wanna take a bunch of stuff apart to get the pic from the front. I had a late night last night at a Halloween party and Im recuperating today. Lol

 

[EagleEye]

Dont know what model or year P1000 you have, but my wifes is a 2018 P1000-5. Here in this pic I flipped the bed up and pulled the access panel to show you the backside of the thermostat housing. Its where the big hose comes in that Im pointing at. You cant bleed it from the rear, you have to remove the panel from the middle of the seat and get to it. Its a pain to get to. I just took a pic from the rear because Im being lazy today and dont wanna take a bunch of stuff apart to get the pic from the front. I had a late night last night at a Halloween party and Im recuperating today. Lol

View attachment 163188 View attachment 163189 View attachment 163190 View attachment 163191

I have a 2017, and no wonder I could not find it. Thanks for taking the time and pictures, big help.

 

[Bastardchild]

I have a 2017, and no wonder I could not find it. Thanks for taking the time and pictures, big help.

No prob. Stick around buddy, youre on the right website.

 

[Outacntrl]

Something for people to keep in mind also is the heat transfer characteristics of PG coolant vs EG coolant. Ethylene based coolant actually transfers heat better due to a lower viscosity. I'm not sure I would go out of way to purposefully change it but when I had my system drained I refilled with EG.