How to change a vacuum pump? - PowerStrokeNation : Ford Powerstroke Diesel Forum
 
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post #1 of 9 (permalink) Old 03-28-2010, 06:01 AM Thread Starter
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How to change a vacuum pump?

Can someone please explain to me how to change a vacuum pump on my 97 7.3? Also where is the best place to purchase a new pump?
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post #2 of 9 (permalink) Old 03-28-2010, 06:16 AM
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Re: How to change a vacuum pump?

pretty simple just replaced mine week ago,the next morning the starter crapped outbut anyway just release the belt tensioner,i got on it with a long 3/8 ratchet and i believe it was a 11/16 socket and pull up to relieve belt tension then slide the belt off.theres only three bolts holding the vacuum pump on,you will need a box end 10mm wrench for those and a 3 jaw puller to get the pulley off the old pump. i got a pump from napa for 150 bucks.


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post #3 of 9 (permalink) Old 03-28-2010, 02:51 PM
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Re: How to change a vacuum pump?


I did mine a few months back. 2nd replacement on truck. Last one lasted almost 160k miles. I used the standard PS pulley puller used on all Ford vehicles to remove and replace mine on the side of the road. Had one in truck. I got mine at dealership from friend for about $160. NAPA has them also and I hear are a good part too. You might be able to rent or borrow the power steering pulley remover.

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post #4 of 9 (permalink) Old 03-28-2010, 03:59 PM
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Re: How to change a vacuum pump?

Many parts places have those powersteering pullers you can rent. That being said it is worthwhile to just buy yourself one as you will end up somehow needing it again. Get a good one.
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post #5 of 9 (permalink) Old 03-28-2010, 04:32 PM Thread Starter
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Re: How to change a vacuum pump?

Thanks for all the info. I've heard that these pumps need to be oiled before install...thoughts?
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post #6 of 9 (permalink) Old 03-28-2010, 05:40 PM
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Re: How to change a vacuum pump?

I've heard of replacement pumps coming with the oil to lubricate them (the one I purchased from AutoZone did not and I never had any issues with it in over 100k miles on it). One note: There is one bolt that has to be put in place on the new pump prior to replacing the pulley (you can't put it in with pulley in place). AutoZone will rent the PS pulley puller/installer for free. I chose to just keep the PS pulley tool set so I'd have it if on the road and had the pump fail. Cheers!

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post #7 of 9 (permalink) Old 03-29-2010, 02:22 AM Thread Starter
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Re: How to change a vacuum pump?

Anyone have a diagram or picture of where the bolts are on the pump and which pulley to pull?
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post #8 of 9 (permalink) Old 03-29-2010, 04:24 AM
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Re: How to change a vacuum pump?

Quote:
Originally Posted by ajordan193 View Post
Anyone have a diagram or picture of where the bolts are on the pump and which pulley to pull?
Seriously if you are at a point where this is a question this repair might be outside your realm. This is a simple repair..... hour job. Pickup the new pump and look it over and that might help you decide if you can fix this yourself or not.
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post #9 of 9 (permalink) Old 03-29-2010, 05:18 AM
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Re: How to change a vacuum pump?

I just did mine. Your life will be much easier and youll have little to no risk of damaging the pulley if you just rent a power steering pulley puller from auto zone and use it. As others have said, very simple job.
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