F 150 2WD Pickup V8-5.4L SOHC VIN 3 (1999)
1. Fabricate a cleaning tool from a 1/8 inch diameter brazing rod.
2. Cut an abrasive pad from maroon colored 3M Scotch Brite (R) with the dimensions corresponding to the coupling size.
Coupling Size
Pad Size
3/8 inch
25 x 50 mm (1 x 2 inch)
1/2 inch
25 x 50 mm (1 x 2 inch)
5/8 inch
25 x 76 mm (1 x 3 inch)
3/4 inch
25 x 102 mm (1 x 4 inch)
3. Assemble the pad to the tool.
4. Coat the abrasive pad with Motorcraft YN-12b Refrigerant Oil or equivalent meeting Ford specification WSH-M1C231-B.
5. Roll the pad on the tool and install it in a variable speed drill motor.
6. Polish for 1 minute at moderate speed (less than 1500 rpm) or until the surface is clean and free of scratches or debris.
CAUTION: Maintain low speed drill rotation when inserting or removing the cleaning tool to prevent axial scratches which may cause future
leaks.
7. Clean the fitting with a lint-free cloth.
8. Inspect the surface for grooves or scratches. If grooves and scratches are still present, replace the component.
