WHY wont my car start. on 2002 Ford Explorer

I have a 02 Ford Explorer that has went out on me. It was making a loud rattling noise one day, so I parked it. The next tine I went to crank it it wouldn't crank. I assumed it was the battery. So we had it charged then it crunk. The noise had stopped. Maybe a week later it started again but this time it cut off on me in the road. Took it home now it wont crank at all. Battery is fine, has gas. Im wondering the mechanic said it may have jumped timing. Can a bad timing cassette cause my truck to stop completely. If so, what can be done other than replacing the motor.

by in Atlanta, GA on September 05, 2013
1 answer 2 comments
ANSWER by on September 05, 2013
If the chain "jumped timing" it will need to be opened and checked for the problem. The engine may not be damaged as this is not an interference style engine. May just need a new timing kit installed and timing set and the engine may be fine. Bad timing will shut the engine down completely if you drive on it (as you stated) and it gets even worse or the chain gets jammed after jumping off the gears.
COMMENT by on September 05, 2013
Thanks so before getting motor just have the timing checked u did say it can cause the car to not crank. Sometimes after multiple tries to crank it it make a sound like the battery is dead.
COMMENT by on September 05, 2013
Yes, get the timing chain and timing checked. This is not an easy or inexpensive inspection but, if it is the timing chain and the engine is holding compression it is alot less expensive than having the entire engine replaced.
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