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Case Tractors Discussion Forum

case 450 wont move

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Author  [Modern View]

04-12-2010 10:10:22

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hello. I have a case 450 dozer that will not move after it has been shutoff while parked facing uphill. i have to disconnect pump feed hose and fill with oil, blah blah blah. what the hecks causing this? and ideas would be appreciated. thanks

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Dennis DiPaolo Sr

04-14-2010 17:26:23

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 Re: case 450 wont move in reply to ddipaolo, 04-12-2010 10:10:22  
Thanks guys, i will get under her and see if i can find anywhere she might be sucking air. Its starting to be a pain having to back uphill to park. Dennis

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george md

04-12-2010 20:14:29

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 Re: case 450 wont move in reply to ddipaolo, 04-12-2010 10:10:22  

In addition to all that mEl said ,rather

than the pump being bad , it may be the

shaft seal in the pump,much cheaper than

a pump. Have had that trouble in the early

1000 series case crawlers. 450 usually has

suction hose trouble , either leak or inner

lining coming loose.


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04-12-2010 15:43:27

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 Re: case 450 wont move in reply to ddipaolo, 04-12-2010 10:10:22  
Check your complete suction run from the bottom of the transmission housing for loose clamps or a damaged suction hose. I have seen the filter housing worked loose on the threads where the suction filter mounts to the front of the firewall if its that style, later units had the filter under the floorboards. If all checks out it would indicate that your charge pump is getting weak. . mEl

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