Place timing marks dot to dot using a straight edge from crank center to cam centerline
When you turn the engine over with the starter, which way does it turn? That is the direction it rotates.
Depends on engine and manufacturer.
The arrow on the cam caps typically indicates the correct orientation for installation. This ensures that the camshaft aligns properly with the timing components, allowing for optimal engine performance. Installing the cam caps with the arrow pointing in the correct direction helps maintain proper alignment and timing of the engine's valvetrain. Ignoring this orientation can lead to engine performance issues or damage.
That requires an OBDII engine scanner. Can not use a timing light ( won't work )
your timing marks are incorrect the timing is off. You'll need to reinstall the timing chian with the right timing marks ask a professional for assistance.
when cylinder number one is at TDC, and the cams line up with there respective timing marks.Don't forget the crankshaft too.Only go clockwise.
It is clockwise as you are facing the front of the engine from the right fender.
The timing on that engine is controled by the PCM / computer. You can set it by ear good enough to make it run. But you will need a OBD II engine scanner to get it right.There is no other way.
YES it's worth it. Anyone who tells you otherwise is a crook.
To set the timing on a 2003 Nissan Sentra 1.8L engine, first ensure the engine is at top dead center (TDC) on the compression stroke for cylinder one. Align the timing marks on the crankshaft and camshaft pulleys according to the specifications in the service manual. After installing the timing chain or belt, double-check the alignment of the marks before reassembling the engine components. Finally, start the engine to verify proper timing and listen for any unusual noises.
If the marks on the sprockets line up with the plated links, the timing is correct.
No. But if the pump is driven by the timing belt, it is good practice to replace the pump at the time of installing the engine. A pump failure will cause the timing belt to jump. In the majority of cases this will cause valve to piston contact. Plus, if the part is hard to change, maybe you should do it now rather than later, when it will be much harder to get to.