2003 FORD MUSTANG heater

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FORD MUSTANG 2003  Workshop Manual To maintain the integrity of the coolant and the cooling system: 
�zAdd Motorcraft Premium Gold Engine Coolant VC -7-A (in Oregon VC -7-B) or equivalent 
meeting Ford specification WSS- M97B51-A1 (yel

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FORD MUSTANG 2003  Workshop Manual  CAUTION: Vehicle cooling systems are filled with Motorcraft Premium Gold Engine 
Coolant VC -7-A (in Oregon VC -7-B) or equivalent meeting Ford specification WSS- M97B51-A1 
(yellow color). Always fi

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FORD MUSTANG 2003  Workshop Manual "COOLANT FILL LEVEL" marks and replace the pressure cap. 
7. Select the maximum cool temperature setting. 
8. Run the engine until it reaches operating temperature. 
9.  CAUTION: If the engine coolant

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FORD MUSTANG 2003  Workshop Manual was drained from the cooling system. Do not mix coolant types. 
�z Do not add/mix orange- colored Motorcraft Speciality Orange Engine Coolant VC- 2 or 
equivalent meeting Ford specification WSS- M97B4

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FORD MUSTANG 2003  Workshop Manual 14. Install the air intake scoop. For additional information, refer to 
Section 303 - 12  . 
Bleeding  1. Select the maximum heater temperature and blower motor speed settings. Position the control  t

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FORD MUSTANG 2003  Workshop Manual 4. Install the coolant hose connection without the thermostat. 
5.
NOTE:  Refer to the cooling system flusher manufacturers operating instructions for specific 
vehicle hook- up. 
NOTE:  The addition

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FORD MUSTANG 2003  Workshop Manual GENERAL PROCEDURES 
Heater Core Backflushing 
1.  WARNING: Never remove the pressure relief cap while the engine is operating or 
when the cooling system is hot. Failure to follow these instructions c

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FORD MUSTANG 2003  Workshop Manual 7. Position aside the coolant heater outlet tube assembly. 
�zRemove the bolt. 
8. Remove the coolant pump.  �zRemove the stud. 
�z Remove the four bolts. 
�z Remove the four nuts. 
9. Clean and inspe