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1978 Ford Bronco Radio Installation Diagram - Rear Support, Bezel & Knob Torque

Exploded parts breakdown of the radio and speaker installation showing rear support, bezel, knobs, disc and mounting bracket with torque notes.

AI caption · Photo 339 of 529

This document is a two-panel exploded parts / installation illustration for an in-dash radio, uploaded to a 1978 Ford Bronco gallery. The left view shows the radio from behind the instrument panel, illustrating the routing of the speaker wires, the rear support (basic part number 18888) that braces the back of the radio chassis, and a nut securing the support with a specified torque of 24-36 in-lb. A directional arrow indicates the front of the vehicle for orientation. The right view shows the front of the dash with the radio installed, and an exploded sequence of the face hardware: the mounting bracket behind the dash, then (from the dash face outward) the bezel, washer, nut torqued to 24-36 in-lb, disc, and knob for each control shaft. A reader can learn the correct assembly order of the radio faceplate hardware, the required nut torque values (24-36 in-lb at both the rear support and the front shaft nuts), and how the radio is supported at the rear. The document contains no year, model, or engine applicability statements of its own.

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Frequently asked questions

What is the torque spec for the radio mounting nuts?
Both the rear support nut and the front control-shaft nuts are torqued to 24-36 in-lb.
What is the assembly order of the radio faceplate hardware?
From the dash outward: bezel, washer, nut (24-36 in-lb torque), disc, then knob, with the mounting bracket behind the dash.
What part number is shown for the radio rear support?
The rear support is labeled with basic part number 18888.
How is the back of the radio supported?
A rear support (18888) braces the radio chassis behind the dash and is secured with a nut torqued to 24-36 in-lb; speaker wires route nearby.

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