Question about 1986 Nissan 300ZX
if its a turbo you should see something like this, this is an example only the thing on the right with the silver snail type thing is the turbo, you should have 2 of these if its the turbo
how to change the plugs--First start by removing the negative battery cable from the battery post. Ok next remove the center plastic cover on top of the motor that says "3000 v6". Now in between each gap in the in intake plenum u should notice the tops of what are called coil packs. Each one has two bolts holding it in and a wire loom coming out of each pack. The first pack is directly left of the oil cap(if facing motor). Remove each bolt then the wire connection. After that gently pull until the pack comes out. Take your spark plug socked and remove plug. Be really carefull not to drop debres in the hole. Repeat this step for the first two on the left side and the first one on the right side (again facing motor). A couple of them you will notice has a small metal plate with a #8 screw holding the wire down, remove this to keep from damaging your wires. Now this is where it gets hard U will have to remove the balance tube on the back of the intake plenum. Calm down its not really that bad, just time consuming. Remove all vacum tubes and hoses from the balance tube and then remove the 1 nut and 2 bolts holding each side down. After that carry on and remove the packs as normal, hope this helps you...good luck
Posted on Oct 10, 2010
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Posted on Jan 02, 2017
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