Passport 2WD L4-2559cc 2.6L SOHC (4ZE1) (1994)
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Vacuum Brake Booster: Service and Repair
1. Disconnect brake lines and remove master cylinder.
2. Remove clamp and disconnect vacuum hose from booster.
Fig. 5 Power Brake Unit Replacement
3. Remove instrument panel undercover (4), and vent duct (5), Fig. 5.
4. Disconnect return spring from brake pedal, then remove snap pin and booster rod pin.
5. Loosen power booster mounting nuts, then remove booster from vehicle.
6. Reverse procedure to install, noting the following:
a. Apply 19.7 inch Hg of negative pressure to vacuum booster, then adjust pushrod length to .717 inch, if necessary.
