Im using my N12 oil pump for the N16 swap. the N16 is squeaky clean at 40k, but the old N12 has a bit of slide in the pan at 80k. I want to tear down the oil pump and thoroughly clean it. there are five bolts under and around the drive sprocket. has anyone taken a pump apart before? Ive searched and cannot find any torque specs for them. any help appreciated.

 

I remember doing it few years back. i tightened them enough not to warp or break. when you remove them, you'll notice they are not super tight. if i have to guess, maybe 10Nm or 12Nm.