D21 Hardbody 2WD L4-2389cc 2.4L SOHC MFI (KA24E) (1990)
1.
Check for proper air pressure.
2.
Check for an air bubble on the tire sidewall.
3.
There should be no signs of scuff marks, abrasions, or chafing on the immediate area (i.e., on the bubble).
Sidewall Cracking
Damage Description: Sidewall Cracking
NISSAN CODE: 7K
DEFINITION:
Several fine cracks on the tire sidewall, running in a radial or circumferential direction (Figure 4).
MAJOR INSPECTION POINTS:
1.
Check for proper air pressure.
2.
Check for several fine cracks on the sidewall, running in a lateral direction. These sidewall cracks are generally less than 1/10 of an inch in width,
and do not penetrate to the interior of the tire.
Bead Separation
Damage Description: Bead Separation
NISSAN CODE: 7I
DEFINITION:
Separation of the various tire materials (i.e., rubber, cord and wires) at the bead area near the rim line (Figures 5A, 5B).
MAJOR INSPECTION POINT(S):
Check for a bulge and/or jagged cracks visible near the tire rim fitting line.