HPOP test?????
Mountain Pass
Joined: May 2007
Posts: 153
Likes: 2
From: Pheasant Hill, CA
use the blow gun on top of the discharge tube to see if there are any leaks at the quick disconnect. remove the discharge tube from the top of the pump and branch tubes. there is a quick disconnect on the branch tube fo remove the discharge tube. push the black ring forward with two screw drivers or the correct otc tool. then you can apply compressed air to the branch tube with a rubber tipped blow gun. then listen for air leaks under the valve covers.
7-Piece Blow Gun Kit-18249HOM - The Home Depot
7-Piece Blow Gun Kit-18249HOM - The Home Depot
Mountain Pass
Joined: May 2007
Posts: 153
Likes: 2
From: Pheasant Hill, CA
if it was me I would send my pump here to be rebuilt!
Diesel performance-Home | Diesel Speed and Marine
Diesel performance-Home | Diesel Speed and Marine
Mountain Pass
Joined: May 2007
Posts: 153
Likes: 2
From: Pheasant Hill, CA
the way he upgrades the pump. it is just about bullet proof as they come. if you go with oem, all of the common failure points are still there. plus his price cant be beat of $575 for rebuilt pump and rebuilt ipr valve.
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Senior User
Joined: Oct 2012
Posts: 358
Likes: 0
From: Jerome Idaho
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Mountain Pass
Joined: May 2007
Posts: 153
Likes: 2
From: Pheasant Hill, CA
if you dont mind sending some time on you tube, he has some col vids on the hpop and ipr. you might get a better idea whom you are dealing with. I just replaced my pump last year. I am planning on sending it to him.
https://www.youtube.com/channel/UCvM..._hvpftb87cRJxg
https://www.youtube.com/channel/UCvM..._hvpftb87cRJxg
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