need info for 92 maxima

HI. My name is Gill and I register to the club to help my daugter who have a 92 maxima .she live in ottawa and I live kapuskasing in north Ontario.it about 10 hour drive from my place.and she want me to go work on his car . the problem is , the motor leaking alots of oil from the front of engin. my idea is from what she told me is the seal from the crank or the timming belt cover. my question is do I have to remove the motor from the car to fix it. and I have to replace the water pump to. here the vin number for the car jniejoic9nt or could be jnlejolc9nt.
thank for the help