Lincoln Nautilus Manuals

Lincoln Nautilus: Power Brake Actuation / Brake Vacuum Pump - 2.7L EcoBoost (238kW/324PS). Removal and Installation

Lincoln Nautilus 2018-2024 Service Manual / Chassis / Brake System / Power Brake Actuation / Brake Vacuum Pump - 2.7L EcoBoost (238kW/324PS). Removal and Installation

Materials

Name Specification
Motorcraft® High Performance Engine RTV Silicone
TA-357
WSE-M4G323-A6
 
Motorcraft® Silicone Gasket Remover
ZC-30-A, AZC-30-C
-
 
Motorcraft® Metal Surface Prep Wipes
ZC-31-B
-
 
Motorcraft® Metal Brake Parts Cleaner
PM-4-A, PM-4-B, APM-4-C
-
 

Removal

NOTE: Removal steps in this procedure may contain installation details.

  1. Remove the air cleaner outlet pipes. Refer to: Air Cleaner Outlet Pipe LH (303-12B Intake Air Distribution and Filtering - 2.7L EcoBoost (238kW/324PS), Removal and Installation).
    Refer to: Air Cleaner Outlet Pipe RH (303-12B Intake Air Distribution and Filtering - 2.7L EcoBoost (238kW/324PS), Removal and Installation).
    1. Loosen the clamp and disconnect the pipe.
      Torque: 44 lb.in (5 Nm)
    1. Release the clamp and disconnect the pipe.
    1. Disconnect the electrical connector and detach the wiring retainer.
    1. Remove the bolt and position the CAC intake pipe aside.
      Torque: 71 lb.in (8 Nm)
  1. Disconnect the vacuum tubes.
  1. Detach the wiring retainer.
  1. Remove the bolts and the vacuum pump.
    Torque: 89 lb.in (10 Nm)

Installation

  1. NOTICE: Do not use wire brushes, power abrasive discs or 3M™ Roloc® Bristle Disk (2-in white, part number 07528) to clean the sealing surfaces of the engine block. These tools cause scratches and gouges that make leak paths. They also cause contamination that causes premature engine failure. Remove all traces of the gasket.

    Make sure that the mating faces are clean and free of foreign material.
    Refer to: RTV Sealing Surface Cleaning and Preparation (303-00 Engine System - General Information, General Procedures).
    Material: Motorcraft® Silicone Gasket Remover / ZC-30-A, AZC-30-C
    Material: Motorcraft® Metal Brake Parts Cleaner / PM-4-A, PM-4-B, APM-4-C
    Material: Motorcraft® Metal Surface Prep Wipes / ZC-31-B
  1. Inspect the gaskets and install new gaskets as necessary.
  1. NOTICE: If the brake vacuum pump is not secured within 10 minutes of sealant application, the sealant must be removed and the sealing area cleaned with metal surface prep. Failure to follow this procedure can cause future oil leakage.

    Apply an 8mm bead of the specified sealant in the location shown.
    Material: Motorcraft® High Performance Engine RTV Silicone / TA-357 (WSE-M4G323-A6)
  1. NOTE: Manually align the brake vacuum pump drive key with the camshaft slot before installation.

    To install, reverse the removal procedure.

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