If seals not leaking I would not touch them
replace water pump and do timing belt check pulley too any in doubt replace
this is the page that will show you timing http://www.2carpros.com/car_repair_information/year/1996/make/hyundai/model/elantra/1996_hyundai_elantra_timing_belt_diagram_marks.htm
let me know if you need more info good luck
Remove all drive belts and drive pulleys from crankshaft and water pump. Remove generator bolt, if necessary. Remove crankshaft pulley and water pump pulley.
Remove timing belt covers and gaskets, noting bolt lengths and locations. DO NOT rotate engine counterclockwise, as viewed from timing belt side of engine. Remove timing belt tensioner pulley.
Rotate engine clockwise to align all timing marks so No. 1 cylinder is at TDC of compression stroke. . If reusing belt, place mark on timing belt to indicate direction of belt rotation. Remove timing belt.
Monday, May 11th, 2009 AT 10:27 PM