Question about Nissan Cars & Trucks
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Posted on Jan 02, 2017
SOURCE: timing on a 1991 nissan 300zx
There is no means of setting the timing if you are referring to a conventional timing light. The engine is designed with sensors that sense the angle of the camshafts in relationship to the crankshaft and whether it is on the intake or exhaust stroke on the #1 cylinder. This design is actually a little more complex than that because it has variable valve timing which means that the angle in which the camshafts open and close the valves, change with RPM's This give the engine the best of both worlds. It's like have an engine with cams designed for torque at low RPM and a set of cams designed for HP with a free breathing quick revving engine you would have on a race course. The ECM is constantly changing the timing and injector pulse width based on many sources of input, from, the O2 sensor, air flow, air temp, coolant temp, fuel pressure, RPM's and a host of other inputs.
SO>>>>>>>>>>>> in a manner of speaking, unless you are making reference to setting up the timing chain, everything else is under control by the ECM and related components.
Posted on Mar 25, 2009
SOURCE: timing belt replace
My apologies for the delayed response. I am going back and answering questions that were never answered.
Click on the following Link. It has all the Diagrams for the Timing Belt you will need.
Before Clicking, let me know if this helped.
Again my sincerest apologies,,..
Posted on Feb 26, 2010
Oh this is fun...
I have a 1993 300ZX N/A and have had two injectors go out on me at different times. This is an expensive fix for two reasons; 1) the injector. 2) the installation process.
If you're lucky you can find a shop or eBay seller with new or reconditioned injectors at an affordable price. $150~$275/injector is steep. Worse is the cost of removal and installation since the upper plenum and fuel rails must be removed. This is a design flaw by Nissan since you can see both screws to remove the injectors, but one is partially covered by the aliminum upper plenum (big silver colored aluminum air intake over the block). There are some sites that will talk about drilling or filing the plenum to allow access to the second screw, but this is highly frowned upon and you run the risk of putting a hole in the plenum. Best to leave this as-is.
It's cost effective to replace these yourself if you're handy with a wrench and a screwdriver. the cost for a shop to do this job is between $600 and $1000 for one injector. Most of the cost is the labor to remove and replace the plenum and fuel rails.
If you want to do this yourself, start with using a voltmeter and check each injector to find the bad one. Set the voltmeter to Ohms, disconnect the electrical from the injectors, and check the resistance between the contacts of each injector. They should read between 10 and 18 Ohms. Here's how:
Here's a step by step process for replacement:
Like I said, I paid for this twice and never again. Too much money for such a small part that I can do myself in my spare time.
Hope this helps!
Posted on Apr 13, 2010
Do not take it off before you are ready with the new one.
Turn the crankshaft until the engine is at tdc. The key on the pulley should be at the top.
Use a little paint brush and a little paint,and mark a couple of teeth on the camshaft pulley and the belt in between these teeth. if there are any other pulleys using the belt, do the same for them.
Do the same for the crank pulley. Take off the belt, try not to move anything. Count the belt teeth between these two marks and transfere them to the new belt. Now fit the belt in the exact places that the old one came off. Do this very carefully and you should have no problems.
Posted on Oct 23, 2011
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