Vacuum Modulator Valve Push-In Type C4 Bronco 1973-1977

CJ's Part Number: BRD2AZ7A377A
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Vacuum Modulator Valve Push-In Type C4 Bronco 1973-1977
Vacuum Modulator Valve Push-In Type C4 Bronco 1973-1977 Play Vacuum Modulator Valve Push-In Type C4 Bronco 1973-1977 Video 1

Product Description

Push-In Type Vacuum Modulator Valve for all 1973, 1974, 1975, 1976 and 1977 Broncos with C4 Automatic Transmission.

Want the convenience of an automatic transmission, but retain some of the control you gain through a manual? If your Bronco's C4 isn’t shifting like you want it to be, the culprit could be your vacuum modulator. Early Broncos, starting in 1973, had automatic transmissions. Those that are outfitted with C4 transmissions have a vacuum modulator. Via sensing the change in the engine’s vacuum and the throttle position, the vacuum modulator automatically changes the transmission’s shift timing. They are adjustable so you can control whether you have a later or earlier shift point. You can get a brand-new, Push-In Type Vacuum Modulator Valve for your 1973-1977 Bronco’s C4 Transmission from CJ Pony Parts!

Features/Benefits:
- Perfect reproduction of original part
- Push-in type
- Controls shift points
- Fully adjustable
- Direct-fit replacement
- Easy installation

This version of the original vacuum modulator valve for the 1973-1977 Bronco’s C4 transmission is the push-in type (verses the screw-in type). It is fully adjustable and allows you to control your transmission’s shift timing. High vacuum at partial throttle provides an early shift point while low vacuum under full throttle results in a later shift point with a higher RPM. Installation of this direct-fit, reproduction vacuum moderator valve replacement is easy. It will fit directly in the factory location of your early model Bronco’s current valve. To install, simply replace your old valve with your new one.

From humble beginnings, the capable Bronco became a staple of the Ford product line. After a 30-year production run that gradually boosted the Bronco’s size and amenities, Bronco production ended in 1996. While this beloved car is no longer in production, CJ Pony Parts is proud to help owners of this classic SUV keep theirs in tip-top shape with an extensive selection of ‘66-‘77 Ford Bronco parts at great, low prices.

Order a Push-In Type Vacuum Modulator Valve for your 1973, 1974, 1975, 1976 or 1977 Bronco with a C4 Automatic Transmission from CJ Pony Parts today!

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Installation Instructions

Mustang Installation

Bronco Applications

This product will fit the following Ford Bronco years:

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Product Video

Vacuum Modulator Valve Push-In Type C4 Bronco 1973-1977 Video Transcript
By Bill Tumas: We’re here with a push-in vacuum modulator valve fitting your 1973 to 1977 Bronco with a C4 automatic transmission. If your Bronco isn't shifting like it should be, the problem could be as simple as the modulator valve. The valve changes the shifting points of the transmission according to vacuum. If the modulator isn't working properly, the transmission won't shift right. This direct fit replacement reproduction valve is fully adjustable and will restore the shifting points to the way you like it. Installation is quick and easy and can be found along with other parts for your Bronco at CJPonyParts.com.