Lincoln Aviator 2020-2026 Service Manual / Powertrain / Engine / Engine System - General Information / General Procedures - Exhaust Manifold Cleaning and Inspection

Lincoln Aviator: Engine System - General Information / General Procedures - Exhaust Manifold Cleaning and Inspection

Special Tool(s) / General Equipment

Feeler Gauge

Cleaning

Clean the exhaust manifold using a suitable solvent. Use a plastic scraping tool to clean the gasket sealing surfaces.

Inspection

NOTE: New exhaust manifold gaskets, studs, nuts and/or bolts must be installed when an exhaust manifold is serviced.

NOTE: Use a Straightedge that is calibrated by the manufacturer to be flat within 0.005 mm (0.0002 in) per running foot of length, such as Snap-On® GA438A or equivalent. For example, if the Straightedge is 61 cm (24 in) long, the machined edge must be flat within 0.010 mm (0.0004 in) from end to end.
Using the Straightedge and a Feeler Gauge Set, check the exhaust manifold sealing surface for warpage. If the warpage is greater than 0.76 mm (0.0299 in), install a new exhaust manifold.
Use the General Equipment: Feeler Gauge

General Procedures - Cylinder Head Distortion

Special Tool(s) / General Equipment Feeler Gauge Check NOTE: Refer to the appropriate Section 303-01 for the specification. NOTE: Make sure all cylinder head surfaces are clear of any gasket material, silicone sealant, oil and coolant...

General Procedures - Piston Diameter

Check Measure the piston diameter 90 degrees from the piston pin and piston diameter (DN) height down from the top of the piston at the point indicated...

Other information:

Lincoln Aviator 2020-2026 Service Manual: Removal and Installation - Front Seat Control Switch

Removal NOTE: Driver side shown, passenger side similar. Remove the front door trim panel. Refer to: Front Door Trim Panel (501-05 Interior Trim and Ornamentation, Removal and Installation). Remove the screws and the front seat control switch...

Lincoln Aviator 2020-2026 Service Manual: Diagnosis and Testing - Autolamps

Diagnostic Trouble Code (DTC) Chart Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods (100-00 General Information, Description and Operation). Diagnostic Trouble Code Chart Module DTC Description Action BCM B1A85:11 Ambient Light Sensor: Circuit Short To Ground GO to Pinpoint Test A BCM B1A85:13 Ambient Light Sensor:Circuit Open GO to Pinpoint Test A BCM — All other BCM Diagnostic Trouble Codes (DTCs) REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Diagnosis and Testing)...

Seatbelt Height Adjustment

WARNING: Position the seatbelt height adjuster so that the seatbelt rests across the middle of your shoulder. Failure to adjust the seatbelt correctly could reduce its effectiveness and increase the risk of injury in a crash.

Adjust the height of the shoulder belt so the belt rests across the middle of your shoulder. Slide the adjuster up to raise the belt. Press the button and slide it down to lower the belt.