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Discussion Starter · #1 ·
I recently replaced the heads on my 1989 Maxima V6 3.0L sohc. I noticed the Oil Pump outer casing has been chipped where the alignment mark matches to the crank sprocket and it is not visible. The #1 & #4 pistons are sitting at the top of the block when the heads were put on, but I still need some help in locating the position of the mark on the oil pump housing in case the cams move when I reattach the sprockets.
Are there any measurements available that could tell me where that mark should be - like 2" from bottom dead center of the pump?
Any help would be appreciated - I bought this car new and have 300M was running great until rear exhaust manifold cracked!
 
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