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Hydroboost, power steering weak/inop, pukes ps fluid out of resevoir when shut down. chet 7-21-15  
Previous owner installed new ps pump, and gave up on it, I tried bleeding system, cleaned reservoir breather, still doing same thing.
Re: hydroboost, power steering weak/inop, pukes ps fluid out of resevoir when shut down. BUBBA THE BUS TECH 7-21-15  
The system has an air lock. Massive pain in the butt to purge. HAd a unit catch fire back in the day with the burp.

Jack unit up so both front tires off the ground. (make sure to chock tires so it can't roll away). Run unit, turn steering lock to lock for 5 minutes. Each time the wheels are straight ahead do a hard brake aplication. Each time you do a brake aplication release the brakes and then put the shifter in neutral for 10 seconds.

Leave running and go for coffee, 15 minutes later repeate cycle. Make sure the oil stays up in the resivoir. Be ready with fire extinguisher when you shut it off. Seriously pin pulled ready to go.

Re-pete the entire proccess until it purges air lock.
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