Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD1990RANGER 4WD L4-140 2.3L SOHCREPAIR AND DIAGNOSISTECHNICAL SERVICE BULLETINSALL TECHNICAL SERVICE BULLETINSLOWER BODY STONE PROTECTION - REPAIR PROCEDURESPRAY PROCEDURE
1990 Ford Ranger 4WD L4-140 2.3L SOHC
Spray Procedure
1990 Ford Ranger 4WD L4-140 2.3L SOHCSECTION Spray Procedure
Since the lower exposed painted fender, rocker and quarter panel down flanges are to be coated, the vehicle should be elevated high enough so that the painter can spray this area effectively. When an initial installation is to be made, a remote, two-quart capacity pressure cup makes a much more efficient tool because the spray gun can be used closer to the floor.
The spray gun, fluid hose and cup must be cleaned immediately after use. While lacquer thinner may be used when the suggested clean up material is unavailable, the Ford Vinyl Paint Precleaner (VC-542-A) is quicker and much more efficient.
With the spray gun at 30 P.S.I. and pressure feed cup at 15 P.S.I. proceed as follows:
1. Apply a wet, sag-free coat. Allow 3 to 5 minutes flash off.
2. Apply a second wet, sag-free coat. Allow 3 to 5 minutes flash off.
3. Apply a third wet, sag-free coat. Allow 3 to 5 minutes flash off.
4. Apply a final wet, sag-free coat. Allow 3 to 5 minutes flash off. Pull off the "Fine Line" tape, exposing the raw upper edge of the coating.
5. Immediately clean the spray equipment using Ford Vinyl Paint Precleaner (VC-542-A) or equivalent.
6. Air drying time depends on the refinishing materials that are used.
^ If you refinish with acrylic lacquer, allow one hour for drying (at 70~F).
^ If you refinish with acrylic enamel, allow two hours for drying (at 70~F).
The spray gun, fluid hose and cup must be cleaned immediately after use. While lacquer thinner may be used when the suggested clean up material is unavailable, the Ford Vinyl Paint Precleaner (VC-542-A) is quicker and much more efficient.
With the spray gun at 30 P.S.I. and pressure feed cup at 15 P.S.I. proceed as follows:
1. Apply a wet, sag-free coat. Allow 3 to 5 minutes flash off.
2. Apply a second wet, sag-free coat. Allow 3 to 5 minutes flash off.
3. Apply a third wet, sag-free coat. Allow 3 to 5 minutes flash off.
4. Apply a final wet, sag-free coat. Allow 3 to 5 minutes flash off. Pull off the "Fine Line" tape, exposing the raw upper edge of the coating.
5. Immediately clean the spray equipment using Ford Vinyl Paint Precleaner (VC-542-A) or equivalent.
6. Air drying time depends on the refinishing materials that are used.
^ If you refinish with acrylic lacquer, allow one hour for drying (at 70~F).
^ If you refinish with acrylic enamel, allow two hours for drying (at 70~F).
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.