Question about 1990 Nissan 300ZX

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How to remove, and install new belts on '90 nissan zx non-turbo.

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We have a 1988 Nissan 300 Zx Turbo with weak oil pressure and was told it was the oil pump and I wanted to know if the oil pump was located inside of the engine


Hi Teresa,here is the 3 links to change your oil pump,it says you have to remove oil pan and timing belt,so I will send you them,here's the oil pump removal guide.Here's the oil pan removal guide.Here's the link to the timing belt.Oops,here's how you remove the timing belt cover.Here's the oil pump.

Oct 08, 2013 | Nissan 300ZX Cars & Trucks

1 Answer

How do i take the heater core out? on a 1984 nissan 300 zx non turbo


YOU WILL NEED TO REMOVE THE DASHBOARD, THEN OPEN THE HEATER BOX AND TO ACCESS HEATER CORE, IT LOOKS LIKE A SMALL RADIATOR. ITS LABOR INTENSIVE

Sep 11, 2011 | 1984 Nissan 300ZX

2 Answers

1983 nissan 280 zx car back fires when cold


Sounds like you could have an aux air regulator valve, that is not working when it will not work; there is no fast idle cold. Should be around 1500 rpm cold, the car will stall out and pop through the intake when bad. You have a digital volt meter to do some testing with to make sure the mass air flow is working correctly.

Also, c
heck the plugs for how they're burning, check the air filter for good flow, do a compression test and judge from there. Intake backfire is usually caused by running lean or improper timing.

For the 79 model zx, ignition timing was 10 degrees BTDC @ 700rpm
For 80 and up zx, non turbo - 8 degrees BTDC +- 2 degrees @ 700rpm
turbo - 20 degrees BTDC +- 3 degrees @ 700 rpm

Also done with distributor vacuum advance hose removed and plugged.
NOTE:
* BTDC = Before Top Dead Center
* + - = Plus or minus
Hope thos helps; keep us updated.

Aug 02, 2011 | 1983 Nissan 280ZX

1 Answer

Need to increase the idle on a 1987 Nissan 300 zx non turbo. where is the "idle screw" or equivalent


Remove plug from air flow meter(air filter box) and adjust there. It will be on the top.

Jul 24, 2009 | 1984 Nissan 300ZX

2 Answers

90 300zx turbo or non turbo? ??


look for the turbo under the hood it looks like a snail kinda

Apr 17, 2009 | 1990 Nissan 300ZX

1 Answer

Firing order for 1983 nissan zx non turbo


take off distibuter cap tke out number 1 plug turn engine til piston at tdc top dead centre look at rotor arm it should be at number 1 in the cap note which way rotor turns and fit leads to suit good luck

Nov 05, 2008 | 1983 Nissan 280ZX

1 Answer

Timing diagram


You have Nissan's VG30DE engine in your car. If you go to www.ttzd.com (Twin Turbo Z's of Dallas), you'll find Tech articles for the 300ZX (the non-turbo version is the same engine that you have). One of the articles is the full timing belt service job. I believe it was done on a twin turbo, but for purposes of the timing system, the turbo and non-turbo are the same. It'll give you all the info, pictures, tool lists, and step by step instructions that you could want or need.

Oct 04, 2008 | 1997 Infiniti.5 J30

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