2006 Mercury Grand Marquis Owner Guide 2nd Printing - Page 247

Maintenance and Specifications condition. To ready the on-board diagnostics system for I/M testing, a minimum of 30 minutes of city and highway driving is necessary as described below: • First, at least 10 minutes of driving on an expressway or highway. • Next, at least 20 minutes driving in stop-and-go, city-type traffic with at least four idle periods. Allow the vehicle to sit for at least eight hours without starting the engine. Then, start the engine and complete the above driving cycle. The engine must warm up to its normal operating temperature. Once started, do not turn off the engine until the above driving cycle is complete. POWER STEERING FLUID Check the power steering fluid. Refer to scheduled maintenance for the service interval schedules. If adding fluid is necessary, use only MERCON௡ ATF. 1. Start the engine and let it run until it reaches normal operating temperature (the engine coolant temperature gauge indicator will be near the center of the normal area between H and C). 2. While the engine idles, turn the steering wheel left and right several times. 3. Turn the engine off. 4. Check the fluid level in the reservoir. It should be between the MIN and MAX lines. Do not add fluid if the level is in this range. NOT DO ERFILL OV STE ER UI E FL D NG RI POW MAX MIN 5. If the fluid is low, add fluid in small amounts, continuously checking the level until it reaches the range between the MIN and MAX lines. Be sure to put the cap back on the reservoir. 247 2006 Grand Marquis (grn) Owners Guide (post-2002-fmt) USA (fus)