A&Q about 350Z
Q:
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A:
im not sure.... but i bet Google knows
doing the actual legwork yourself will provide a quicker answer than just asking a bunch of people who probably dont know right off the top of their heads
A:
If its like almost every other GM I've worked on, its inside the "frame" rail where the body slopes down in front of the rear axle on the passenger side. Like under the left rear passenger's butt.