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10-13-2020, 11:48 PM
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#1
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Mini-Skoolie
Join Date: Sep 2020
Location: Pittsburgh, PA
Posts: 27
Year: 2007
Coachwork: Thomas
Chassis: Freightliner FS65
Engine: MBE904
Rated Cap: 24
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Removing the Heater - Coolant Shut Off Valve?
Hi all! Bought a 2007 Freightliner FS65 (MBE904) last week and all the seats are out! While my wife started taking the wall paneling / insulation today, I started working on the heater. The coolant lines run internal to the bus on the floor in a metal channel. I wasn’t able to get the whole channel off just yet, there’s still one pesky screw that I couldn’t back out and didn’t have the space to angle grind off.
Regardless, I’ve read that some heaters have a shut off valve under the hood... (excuse my ignorance if not, but...) is that what I’m looking at in the picture below? Excuse the bad angle, on the left hand side you can see what looks to me like a standard garden hose shut off valve.
Better yet...where would I go to find this sort of info? I looked through the owners manual but I didn’t find anything that was helpful here.
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Instagram / @unearthednature
Website / www.unearthednature.com
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10-13-2020, 11:49 PM
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#2
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Mini-Skoolie
Join Date: Sep 2020
Location: Pittsburgh, PA
Posts: 27
Year: 2007
Coachwork: Thomas
Chassis: Freightliner FS65
Engine: MBE904
Rated Cap: 24
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Ah looks like the picture flipped. The bottom would be “left”
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Instagram / @unearthednature
Website / www.unearthednature.com
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10-13-2020, 11:58 PM
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#3
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Mini-Skoolie
Join Date: Sep 2020
Location: Pittsburgh, PA
Posts: 27
Year: 2007
Coachwork: Thomas
Chassis: Freightliner FS65
Engine: MBE904
Rated Cap: 24
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I circled the valve handle here
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Instagram / @unearthednature
Website / www.unearthednature.com
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10-14-2020, 01:37 PM
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#4
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Mini-Skoolie
Join Date: Oct 2019
Location: Northern Colorado
Posts: 29
Year: 1997
Coachwork: International
Chassis: 3400
Engine: T444E
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My coolant lines did have a couple of shutoff valves (one for outgoing, one for incoming, 1997 International). However, the best way to know is to just trace the lines from the heater.
Quote:
Originally Posted by thesantoros
The coolant lines run internal to the bus on the floor in a metal channel. I wasn’t able to get the whole channel off just yet, there’s still one pesky screw that I couldn’t back out and didn’t have the space to angle grind off.
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Is this what is preventing you from tracing the lines? Any way to jiggle the lines to see where they go?
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10-14-2020, 02:22 PM
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#5
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Mini-Skoolie
Join Date: Sep 2020
Location: Pittsburgh, PA
Posts: 27
Year: 2007
Coachwork: Thomas
Chassis: Freightliner FS65
Engine: MBE904
Rated Cap: 24
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Quote:
Originally Posted by bachataBus
My coolant lines did have a couple of shutoff valves (one for outgoing, one for incoming, 1997 International). However, the best way to know is to just trace the lines from the heater.
Is this what is preventing you from tracing the lines? Any way to jiggle the lines to see where they go?
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Yeah, that’s what’s preventing me from tracing the lines internally right now. Hoping to get it off next time we’re out working on it.
__________________
Instagram / @unearthednature
Website / www.unearthednature.com
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10-14-2020, 06:35 PM
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#6
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Bus Geek
Join Date: Sep 2015
Posts: 3,853
Year: 2002
Coachwork: Thomas Built Bus
Chassis: Freightliner FS65
Engine: Caterpillar 3126E Diesel
Rated Cap: 71 Passenger- 30,000 lbs.
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Quote:
Originally Posted by thesantoros
Yeah, that’s what’s preventing me from tracing the lines internally right now. Hoping to get it off next time we’re out working on it.
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Can you put a notch in the screw head with a cut-off disk on an angle grinder?
Or, can you get a pair of vice grips on it?
If you are not planning on keeping the cover, use a crow bar on it.
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10-15-2020, 12:36 PM
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#7
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Mini-Skoolie
Join Date: Oct 2019
Location: Northern Colorado
Posts: 29
Year: 1997
Coachwork: International
Chassis: 3400
Engine: T444E
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Quote:
Originally Posted by Native
Can you put a notch in the screw head with a cut-off disk on an angle grinder?
Or, can you get a pair of vice grips on it?
If you are not planning on keeping the cover, use a crow bar on it.
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Second the crow bar. You gotta break some eggs right? Also, I meant to say earlier, I did have shutoff valves, but mine looked different, so I can't say for sure what you're lookin at. Mine were ball valves.
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10-15-2020, 06:19 PM
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#8
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Bus Crazy
Join Date: Oct 2017
Location: Ashtabula, Ohio
Posts: 1,494
Year: 1996
Coachwork: Thomas
Chassis: International
Engine: T444E 7.3L
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Why remove the heater? I love my heaters!
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10-15-2020, 06:28 PM
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#9
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Mini-Skoolie
Join Date: Oct 2019
Location: Northern Colorado
Posts: 29
Year: 1997
Coachwork: International
Chassis: 3400
Engine: T444E
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Quote:
Originally Posted by Johnny Mullet
Why remove the heater? I love my heaters!
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I removed the heater (in favor a diesel heater) so that I could have something that would run while I wasn't driving, which the coolant based heaters obviously don't do. It's more of a house now, and less of a truck for children!
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10-15-2020, 06:32 PM
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#10
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Bus Geek
Join Date: May 2009
Location: Columbus Ohio
Posts: 16,567
Year: 1991
Coachwork: Carpenter
Chassis: International 3800
Engine: DTA360 / MT643
Rated Cap: 7 Row Handicap
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you will wantthose heaters if you do drive in the winter at all.. at least the front ones.. not likely the rear ones would you need but having the front driver and door-side heaters is a must in cold weather unless you wenjoy being bundled up in several layers scraping the inside of your glass while the tiny diesel heater laughs...
seems counter productive to burn fuel while driving to make heat that the engine will be expelling out the radiator..
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