nissan sentra 04 timing chain falls off

by lisabit23 - 7/3/12 5:32 PM

i have the 04 nissan sentra racing series. i got the engine rebuilt 8 months ago. now the oil light is on and theres always oil in it. the timing chain falls off everytime i turn the car on. my mechanic wants to tear the engine apart but it will cost too much money.