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Old 03-01-2008, 04:41 PM
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HPOP question

Hey anyone out there have to replace the front cover on the 7.3L due to a "groove" in the front cover? I heard that when replacing the HPOP there is a chance that the front cover may have some sort of groove or something that would also require the front cover to be replaced..And that to replace the front cover the oil pan has to be removed and to do that the engine has to be pulled...???? Top it all off,this groove cannot be seen until "into" the HPOP job....


Help....might be a crock of poo.....
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Old 03-01-2008, 05:10 PM
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I've never heard of that.....

I know that you have to be careful with the bolts that hold the hpop on. they strip very easily!! I found that out the hard way.
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Old 03-01-2008, 06:08 PM
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Thanx yeah i heard about the 2 bolts too....
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Old 03-01-2008, 06:13 PM
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when you are referring to a groove in the oil pump the only groove would be in the low pressure oil pump in the front cover , there is nowhere in the high pressure pump that can cause front engine cover damage , if the front cover is grooved from damaged oil pump gears , if its a very samll groove i wouldnt be concerned , but like i say it would have to be a very small groove , if any excessive grooves then yes the oil pan would have to be removed and front cover replaced along with the oil pump
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Old 03-01-2008, 06:23 PM
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scuffy,thanx

perhaps my informant was refering to the low pressure pump...I told him i was having an extended crank time before actuall start of engine..he explained something about the clearance or tolerance of the oil pump getting beyond 30 thousanths(?)and oil having to reprime itself hence purging air before it got to the HPOP....???is that make any sense? oil lamp stays on for nearly 4 secs after engine is started/running..
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Old 03-01-2008, 06:30 PM
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before replacing pump or tearing into it , let it sit overnight, pull the allen head plug on top of the high pressure pump reservoir , see if it is lower than approximatly 3/4 of an inch after sitting for awhile, if so you r problem could be a drainback issue , if the oil is near the top and not draining down, then it is possible to have a low press. oil pump worn
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