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Old 10-19-2017, 12:37 AM   #1
Skoolie
 
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Year: 2001
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Engine: 3126 Cat
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Heater hoses

I removed the 2 back heaters, heater hoses and the wire to the heater booster.
I was thinking of putting them back in but with Ped tubing or copper tubing.
I also was thinking about running them underneath the bus inside a pvc pipe for extra protection.
I need some feed back from the forum because I am confused of what to do.
Its getting nippy in New York and I can not come up with anything else to clear these 2 humongous windshields.
Also can anyone with a Bluebird Rear engine bus tell me what is the item next to the radiator with access only from underneath the bus. That looks like a smaller radiator. Behind the louvers on the driver's side.

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Old 10-19-2017, 01:35 AM   #2
Skoolie
 
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Year: 1997
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Id be careful about using pex, the temperature is pretty high and Id bet theres a lot more flow. The pump on the diesel auxiliary heaters is over 20 gallons per minute as I recall, so that gives you some idea. Someone on here recently was posting about having pex burst in a recirculating system running about 160F, and coolant could definitely be hotter than that.

As to the mystery component, I think the transmission cooler is roughly in that location on mine. Could be an oil cooler also?

Rob


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Old 10-19-2017, 06:22 AM   #3
Skoolie
 
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Quote:
Originally Posted by miscrms View Post
Id be careful about using pex, the temperature is pretty high and Id bet theres a lot more flow. The pump on the diesel auxiliary heaters is over 20 gallons per minute as I recall, so that gives you some idea. Someone on here recently was posting about having pex burst in a recirculating system running about 160F, and coolant could definitely be hotter than that.

As to the mystery component, I think the transmission cooler is roughly in that location on mine. Could be an oil cooler also?

Rob


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I thought I read that about the pex however in NYC with everything going to online orders.
It is hard to fine items especially if you need to work in and match the item up by sight. I will probably have to travel to New Jersey to fine the OEM hose and that amount of length.

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Old 10-19-2017, 06:23 AM   #4
Traveling
 
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I wouldn't get creative with heater hoses- remember the hose contains the cooling for your very expensive engine that hates to overheat.

Did you save the old hose or was it deteriorated? I believe I've heard 1" hose mentioned as the standard, but verify.

Screen Shot 2017-10-19 at 6.22.07 AM.png
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Old 10-19-2017, 06:28 AM   #5
Skoolie
 
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Engine: 3126 Cat
Rated Cap: 33220 GVwR
Quote:
Originally Posted by Rusty View Post
I wouldn't get creative with heater hoses- remember the hose contains the cooling for your very expensive engine that hates to overheat.

Did you save the old hose or was it deteriorated? I believe I've heard 1" hose mentioned as the standard, but verify.

Attachment 16677
Oh trust me, I am not trying to overheat that Caterpillar 3126.

The old hoses were finish, they had lasted Way beyond their lifespan. Deterioration was a nice word for them but I saved a piece to match up.

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