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Old 02-15-2021, 03:56 PM   #1
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Join Date: Feb 2021
Location: Moab, UT
Posts: 2
Year: 1990
Coachwork: Blue Bird
Chassis: All American
Engine: 5.9L Cummins
Rated Cap: 34'
5.9L BlueBird All-American H2O-pump R&R (?)

Hi, new to group..

I just picked up a 1990 with a pin-hole leak in the H2O pump. It sure looks like a straight forward job but I'd appreciate any advice in advance of getting myself in over my head..
I've scored a new pump, no problem.. the guy I got the bus from said he'd help pull the radiator, which we think is the only part that may require two people..
He had also mentioned he thought the cooling-system held around 12gal of coolant, so I've got buckets handy..


Wish me luck! thanks in advance..

Danny

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Old 02-15-2021, 04:20 PM   #2
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Join Date: Oct 2017
Posts: 1,222
Year: 1999
Coachwork: BlueBird
Chassis: TC1000 HandyBus
Engine: 5.9L 24V-L6 Cummins ISB
Rated Cap: 26 foot
while you have it all drained, spend the time and $$$ now to replace all coolant hoses, including those to the rear heaters.


If they are fine and nice soft rubber, as if they were already done recently, then there are usually two hand-valves you can close for the heater circuit, so it won't drain: one at the back of the motor head, and another where it feeds back to the lower radiator hose. It can be hard to get the bubbles out of it. The rear heater in my bus is higher than the coolant-fill bottle above the front of the motor.


Other than that, I think the pump job is strait forward. Was on mine, but mine is newer.
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Old 02-15-2021, 04:21 PM   #3
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Join Date: Oct 2017
Posts: 1,222
Year: 1999
Coachwork: BlueBird
Chassis: TC1000 HandyBus
Engine: 5.9L 24V-L6 Cummins ISB
Rated Cap: 26 foot
I pulled the radiator myself, but it was heavy.
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