2002 Ford Mustang Owner Guide 3rd Printing - Page 231

Maintenance and Specifications An overfill condition of transmission fluid may cause shift and/or engagement concerns and/or possible damage. Do not use supplemental transmission fluid additives, treatments or cleaning agents. The use of these materials may affect transmission operation and result in damage to internal transmission components. Checking and adding manual transmission fluid (if equipped) 1. Clean the filler plug. 2. Remove the filler plug and inspect the fluid level. 3. Fluid level should be at bottom of the opening. 4. Add enough fluid through the filler opening so that the fluid level is at the bottom of the opening. 5. Install and tighten the fill plug securely. Use only fluid that meets Ford specifications. Refer to Lubricant Specifications in this chapter. 231