Bleeding Lifters
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Tuned
Joined: Feb 2020
Posts: 476
Likes: 91
From: Owen Sound Ontario
Bleeding Lifters
I'm new to posting in this part of the forum, usually hang out over in the 67-72 Side. My 72 has a 7.3idi and my 93 F-Superduty does as well. I had the motor from the 93 apart for months to get the heads rebuilt, the lifters were in an open top box. When I pulled them out I just wiped them off and blew some compressed air at them. I heard later that they should be bled before being reinstalled. Why is this?
Scope Wizard
Joined: May 2019
Posts: 6,530
Likes: 25
they should self bleed pretty quick, but I've always been a bit **** about putting them in oil and pumping them up before installing them.
you might find this helpful https://www.ford-trucks.com/forums/1...nals-pics.html
I could see a lifter sticking in it's fully extended state and causing a knock. I guess that is the main reason I pump them before installing to make sure it ain't stuck.
I guess obviously I should say when you do pump lifters up you don't want to just slap them in then start the engine right up... wait at least 30 minutes for them to bleed down.
you might find this helpful https://www.ford-trucks.com/forums/1...nals-pics.html
I could see a lifter sticking in it's fully extended state and causing a knock. I guess that is the main reason I pump them before installing to make sure it ain't stuck.
I guess obviously I should say when you do pump lifters up you don't want to just slap them in then start the engine right up... wait at least 30 minutes for them to bleed down.
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