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Old 06-12-2017, 09:56 PM   #1
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Coolant and oil types

I removed the rear heater the other day and cut my hoses to low and lost a lot of coolant. Does anyone know what type of coolant I should use to refill the system ? Do i just dump it in the resivoir or is there a procedure. The engine is a 2000 24 valve cummins .

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Old 06-13-2017, 03:38 AM   #2
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I just used regular antifreeze.. It is a good idea to change the coolant in the entire system as preventative maintainence
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Old 06-13-2017, 04:08 AM   #3
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It was recommended to me that if it originally had red coolant then use red if it had green than use green.
I'm currently in the process of flushing mine and then I'll be using Fleet brand coolant. I've had two people suggest Fleet brand SCA charged so that's what I'm going with.

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Old 06-13-2017, 07:22 AM   #4
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Coachwork: Blue Bird
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Engine: 8.3L Cummins ISC 260hp, MT643, 4.44 rear
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Quote:
Originally Posted by brundige View Post
I removed the rear heater the other day and cut my hoses to low and lost a lot of coolant. Does anyone know what type of coolant I should use to refill the system ? Do i just dump it in the resivoir or is there a procedure. The engine is a 2000 24 valve cummins .
1999 ISC Cummins

ISC Engine
• 50% water and 50% ethylene-glycol
base anti-freeze
• May be mixed to as much as 60% antifreeze
and 40% water for temperatures
below –34° F (-37° C)

Filling
1. Close all drain cocks.
2. Slowly fill the system through the surge
tank until coolant is at the level of the
filler cap.
3. Start the engine and run it at "high idle"
(fast idle) until normal operating
temperature is reached.
4. Return the engine to normal idle.
8 All American Cooling Systems
5. Check the water level and add as
necessary.
6. If coolant level is very low, bleed the
heating system. Refer to heater system
bleeding.
7. Install filler cap.
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Old 06-13-2017, 10:31 AM   #5
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Awesome thanks

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Old 06-13-2017, 09:16 PM   #6
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Any one have any expierance with this stuff?

https://www.evanscoolant.com/
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Old 06-13-2017, 09:25 PM   #7
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I dont have any experience with the coolant,

but the specific heat at 2.6. is alot lower than a water /. standard coolant mix would be.. im not familiar with how much capacity the cooling system has in a crown , but if it has a tendency to run hot now id be concerned it gets hotter with evans...

-Christopher
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Old 06-14-2017, 07:48 AM   #8
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Join Date: Oct 2016
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Year: 1999
Coachwork: Blue Bird
Chassis: Blue Bird TC RE 3904, Flat Nose, 40', 277" wh base
Engine: 8.3L Cummins ISC 260hp, MT643, 4.44 rear
Rated Cap: 84 pax or 1 RV; 33,000lbs
Quote:
Originally Posted by Stu & Filo. T View Post
Any one have any expierance with this stuff?

https://www.evanscoolant.com/
Is there something wrong with the generic Vato Zone coolant? Pretty sure "ethylene-glycol base anti-freeze'is the crap in the yellow jug. MY bus has not gone much above mid gauge even floored going uphill. There's one argument for needing 32 quarts for the entire system. Hopefully that (gauge reading) doesn't change when I get rid of the heater hoses in the bus.
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Old 06-14-2017, 09:10 AM   #9
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Quote:
Originally Posted by Brewerbob View Post
Is there something wrong with the generic Vato Zone coolant? Pretty sure "ethylene-glycol base anti-freeze'is the crap in the yellow jug. MY bus has not gone much above mid gauge even floored going uphill. There's one argument for needing 32 quarts for the entire system. Hopefully that (gauge reading) doesn't change when I get rid of the heater hoses in the bus.
I really dont understand the reason why evans would be that beneficial.. I guess if you have hot running cylinders with not much metal mass around them then conceivably a water based coolant would vapor at points around the cylinder? but anytime a liquid vapors it has to take in a whole lot of heat which would cool the cylinder..

a mix of the regular green stuff and water (plus SCA's!!!!) will run fine in your diesel engine and cool just fine.

if you dont want to deal with SCA's then you can install a Poly-Organic coolant like the Amsoil HD ELC stuff (and others)..

SCA's really arent bad to deal with.. measure them, change your coolant at intervals and replace your coolasnt filter with an SCA-charged one.. wehich will maintain the levels for you unless you have a catastrophic coolant loss.

-Christopher
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Old 06-14-2017, 09:15 AM   #10
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Join Date: Oct 2016
Location: Essex, MD
Posts: 3,542
Year: 1999
Coachwork: Blue Bird
Chassis: Blue Bird TC RE 3904, Flat Nose, 40', 277" wh base
Engine: 8.3L Cummins ISC 260hp, MT643, 4.44 rear
Rated Cap: 84 pax or 1 RV; 33,000lbs
Quote:
Originally Posted by cadillackid View Post
I really dont understand the reason why evans would be that beneficial.. I guess if you have hot running cylinders with not much metal mass around them then conceivably a water based coolant would vapor at points around the cylinder? but anytime a liquid vapors it has to take in a whole lot of heat which would cool the cylinder..

a mix of the regular green stuff and water (plus SCA's!!!!) will run fine in your diesel engine and cool just fine.

if you dont want to deal with SCA's then you can install a Poly-Organic coolant like the Amsoil HD ELC stuff (and others)..

SCA's really arent bad to deal with.. measure them, change your coolant at intervals and replace your coolasnt filter with an SCA-charged one.. wehich will maintain the levels for you unless you have a catastrophic coolant loss.

-Christopher
What is an SCA?
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