Nissan Z - ZX 1970-1988 Repair Guide

FRONT SUSPENSION

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See Figures 1, 2, 3 and 4

The front suspension system is of the MacPherson strut type. The struts used (on either side) are a combination spring and shock absorber with the outer casing of the shock actually supporting the spring at the bottom and forming a major structural component of the suspension. The wheel spindle is welded to the bottom of the strut. A strut mounting thrust bearing at the top and a ball joint at the bottom allow the entire strut to rotate in cornering maneuvers.



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Fig. Fig. 1: An example of a Z series front suspension-1970-78 models



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Fig. Fig. 2: Exploded view of a 280 ZX front suspension-1979-83 models



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Fig. Fig. 3: Exploded view of a 300 ZX front suspension-1984-87 models



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Fig. Fig. 4: Exploded view of a 300 ZX front suspension-1988 model

A rubber-bushed transverse link (lower arm) connects the lower portion of the strut to the main front crossmember via the ball joint; the link thus allows for vertical movement. 1970-78 models were equipped with compression rods which connect the outer ends of the transverse links to the chassis at points in back of the outer ends, thus preventing excessive fore-and-aft movement. From 1979 and later, the compression rods were replaced by tension rods, which mount to brackets at the front of the vehicle and run back to the transverse links, controlling the fore-and-aft movement.

 
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