2004 Ford Thunderbird Owner Guide 2nd Printing - Page 208
2004 Ford Thunderbird Manual
Page 208 highlights
Maintenance and Specifications Item Rear Axle Lubricant Ford part name Motorcraft SAE 75W-90 Fuel Efficient High Performance Synthetic Rear Axle Lubricant2 Motorcraft MERCONV ATF 3 Motorcraft Premium Windshield Washer Concentrate Ford part Ford number specification XY-75W90-QFEHP Automatic transmission fluid Windshield washer fluid XT-5-QM MERCONV ZC-32-A WSB-M8B16-A2 1 Use only brake fluids certified to meet Ford specifications. DOT 3 fluid is recommended. However, if DOT 3 is not available, DOT 4 fluid can be used. Ford design rear axles contain a synthetic lubricant that does not require changing unless the axle has been submerged in water. Ensure the correct automatic transmission fluid is used. MERCON and MERCON V are not interchangeable. DO NOT MIX MERCON and MERCON V. Refer to the Scheduled Maintenance Guide to determine the correct service interval. 3 2 ENGINE DATA Engine Displacement Required fuel Firing order Ignition system Compression ratio 3.9L-4V V8 engine 3 949 cc (241 cid) 91 octane 1-5-4-2-6-3-7-8 Coil on plug 10.75:1 208 2004 Thunderbird (tbr) Owners Guide (post-2002-fmt) USA English (fus)