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1985 for f250 diseal engine 2wd
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dog_4003
User
Feb 17, 2010, 4:23 PM
Post #1 of 2
(1323 views)
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1985 for f250 diseal engine 2wd
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i have a 1985 ford f250 it has the 6.9 liter diseal engine. i had a bearing sqeeking on the engine thought it was the altenator put a new one on there now no sqeek. there is some kinda pump that i thought was a smog device pump but apparently thats not what it is. the belt to it hooks to the double pully on the altenator. the pump is located right under (beneath) the altenator it that was the pully sqweeking tht was bad so i just took the belt off. now no sqweeks. but now i have no power breaks and traNSmission willk not shift. what kinda pump is that it must be replaced. the transmission and breAKS worked perfect prier to me taking that belt off. can any one let me know what kinda pump that is. thanks
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nickwarner
Veteran
/ Moderator
Feb 17, 2010, 7:28 PM
Post #2 of 2
(1318 views)
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Re: 1985 for f250 diseal engine 2wd
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thats your vacuum pump. Diesels have no throttle plate, the only thing you control with the gas pedal is the amount of fuel the injection pump adds. So there is pretty much no vacuum developed like a gas motor will do. You need to get this fixed. Get a new vacuum pump.
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