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I believe mine leaks down over night too. It will hunt up and down at idle for a few seconds before driving normally. I believe it to be the HPOP filling back up with oil. It got pretty bad and tossed a check engine light and would hardly run for a few minutes until I'm assuming it primed itself and came to life. Either way - I'm 800 miles from home and will be having the 0-rings checked, and if that won't do it, I'll put in a aftermarket pump. Good luck with yours
Thos sounds like a TRS issue. Try starting in neutral and see if it does it.
I believe mine leaks down over night too. It will hunt up and down at idle for a few seconds before driving normally. I believe it to be the HPOP filling back up with oil. It got pretty bad and tossed a check engine light and would hardly run for a few minutes until I'm assuming it primed itself and came to life. Either way - I'm 800 miles from home and will be having the 0-rings checked, and if that won't do it, I'll put in a aftermarket pump. Good luck with yours
If you have a way to get codes and data and work on it, make a new thread. If you are running from the storm you probably won't be going home for a couple days anyway.
Ok just a little update to this thread.
Took the T500 out and installed one of the working HPOP's, the one with the OBS fittings looked good (clean) the other HPOP had a stripped fitting so no good and also looked kinfmd of dirty from the "non serviceable" plug. Started to pour ill update as soon as this storm calms down, ill I need it to fill the resevoir with oil and I should be good to go. Ill update in the AM to see if it drained or not, wish me luck...
Went to test drive the truck, and holy **** I forgot how ****ty these stock 15° pumps are, after working the air out almost 75 miles of driving and doing WOT runs in my hot tune, first thoughts are higher EGT's by like 75° in flat ground, smokey at @ WOT in my hot tune (with the t500 never did it) and has a bit of a delay on acceleration (never did this with the t500) and the whole reason I send my original HPOP to Joey almost 4 years ago the dam CEL... Ahhhhggg I hate it lol... Im running out of oil. Time to send out the other pump to......
Need help here, recently theres been a couple of threads of guys complaining of how they have had bad units from Joey and how difficult it is to get in touch directly with him, now im second guessing if I should go with another vendor
Heres the t-500 taken out just cause you monkeys like pictures lol... And yes you see all that sun and it started to pour not even five minutes later, freaking weird climate.
I’ve never had a issue getting in touch with Joey.
You may want to ask if he can just swap the internals
from your t500 to your old pump. It may save you some $$$$
Cool sounds good Mike, I was under the impression that the high pressure oil would blow a helicoil out.
Started the truck today before heading to work and it started immediately but the RPM drop to around 500 rpm then catch back to 650 rpm and idled perfect, im thinking there might be still air trapped so that means the HPOP was loosing prime due to not being compatible with the 96-03 timing cover, I might end up selling my T-500 and sending the other HPOP to Adrenaline this time around.
Dam! Dam! Dam!!!!!!
HPOP reservoir is dry again WTF.
So the T500 wasnt the problem, that leaves the block anti drain valve, LPOP/timing cover, or the other thing I never mentioned.... when I rebuild the engine and started truck the oil fillter seal blew twice but never thought nothing of it, I tighten it up an never had a problem again. Everything was cleaned and inspected, every single thing was accounted for, im thinking the valve on the filter housing might be bad, but dont know if that accounts for the oil filter seal blowing, and letting my HPOP resevoir dry up?
Have to check everything now which sucks good thing I have lots of spare parts for this situation if I find the culprit.
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