Sentence 1: My wife brought the car in for service today. 
 Sentence 3: That  mechanic did not replace seals 
 Sentence 4:  She went to another mechanic who ordered the part 
 Sentence 5:  The seal will be replaced tomorrow 
 Option 1: The car needed an axle seal, as a previous mechanic indicated. 
 Option 2: The car needed an oil change, as a previous mechanic indicated.