2004 Hyundai Elantra Timing

STEWART1972

MEMBER
2004 HYUNDAI ELANTRA
2.0L
4 CYL
FWD
AUTOMATIC
158,000 MILES

About a year ago I started having a speed sensor malfunction. The engine light kept coming on. I was having problems with the car changing its gears like it was supposed to, I would get heavy rev then a jerk when the car finally shifted. Last week it got really bad. I was losing power and couldn't make it up a hill at all. I got it home and replaced the speed sensor and the cam shaft position sensor. The car refused to start at all after that. At first I though the exhaust was plugged but we cut a hole in the exhaust in front of the catalytic converter. The car still wouldnt start. I pulled the upper side of the timing belt cover off and found that the belt was missing about 6 inches of teeth. I replaced the timing belt and tried to set the time but the cam pulley is old and the markings are worn off, how can I set the timing on this car without a pressure guage and with out knowing the exact placement of the timing lines.

1 Reply

CARADIODOC

MECHANIC
33,916 POSTS

The 2.0L is an interference engine. It's going to have bent valves. If you buy the valves or have the head repaired at an engine machine shop, they will have diagrams you can look at for the belt timing. The marks don't wear off. They're cast into the sprocket, but it is easy to get confused because there is usually one mark that appears to be the obvious timing mark, and there's another one about 90 degrees away that is the correct one. I don't know if that applies to the 2.0L engine or a 2004 model. This double marking was on older cars and caused a lot of confusion and no-starts.