No oil pressure

**1538brett** · 12-19-2012

I just got my motor all back to gether and i have no oil pressure. I checked everthing out and can not find the problem. i have the 3.8 gtp. I have full exhaust, k&n air filter, 3.6in pully,my pcm has been flashed, i have a 180 deg thermastat, shift kit, 2 stages colder plugs. I have just taken the motor all apart and put all new bolts, berrings, tephlon coated pistons, vs cam, ported new heads, and all the normal stuff you do in a rebuild. with the new the new oil pump i packed it full of vacoline and torqed it all down so im lost to why its not primming..... any ideas??????????

**Fivefingerdeathpunch** · 12-19-2012

Doesnt the oil filter neck have a spring in there or something? Or that might be on the pump.

**00grandprixgtp** · 12-19-2012

did take the pump apart i though u had to prime the pump with oil or if you have it back togeather over fill it and see if it starts to get pressure dont start it just crank it over if you have a oil gauge see if u get pressure

**BillBoost37** · 12-20-2012

Series II supposedly don't need to be packed. However, I know guys that have and had success. Before firing, I assume you disconnected the ICM and cranked for quite a while to get oil flowing via the pump?

**MoarkatsINmuhtrailer** · 12-20-2012

I'm going with the pressure spring is not even in there or seated wrong... But usually when seated wrong, you have a disgusting amount of pressure

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