Altima L4-2.5L (QR25DE) Hybrid (2007)
a. Assemble the collapsible fastening nut, spacer nut, and bolt as shown in Figure 6.
b. Finger tighten the assembly shown in Figure 6.
c. Install/push the nut and bolt assembly into the bracket as shown in Figure 7.
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Push in until the collar on the collapsible nut contacts the bracket.