Quote:
Originally Posted by anthony_240
Sounds like you broke a guide for the chain. Pop off the valve cover and look where the chain is you?ll prob find a broken piece.
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Second this. The upper chain guides on the KA24DEs are so notorious for this, Nissan released a technical bulletin (NTB98-055A) to remove them.
They aren't necessary and cause more harm than good. In addition to what's been said, I'd just remove them once you've got the valve cover off, regardless.
There are 2 of them for the upper timing chain, one on top one on the side.
Per TSB I don't even install them when I do rebuilds.
>Here's a good in-depth article for removing them.< Not saying 100% this is your only problem, as said before you should check your oil for debris.
Yes, there is a way to actually test the oil pressure. In the FSM (Factory Service Manual)
*EDIT* Forgot to add, the fitting size for the Oil Pressure Switch is male 1/8 BSPT so you'll need an oil pressure gauge with a male fitting in that size/thread, or adapt to it.
https://www.nicoclub.com/nissan-service-manuals
Grab one for yourself. They're mighty handy to have, and free.