It's a timing chain... They will probably last for as long as the vehicle does (175k-200k miles depending on upkeep and willingness to keep the dog alive). That said, if there's a reason to have the timing chain cover off an engine over 100k... I'm the type that would go ahead and replace the timing chain while it's in front of you if you plan on having the vehicle for more than a year or so.
If you have the engine pulled for any reason over 100k, then that's another time that I'd be replacing the timing chain and the oil pump while I'm at it...
Testimonial: "Thanks!"
I have a 2000 Ford Explorer a "good mechanic" (I don't know if any person is able to hear when a timing chain requires replacement). Today he said that he could hear the need to replace the 4 different chains, I have done some research and found that that process is VERY EXPENSIVE. What can you suggest? I am about to take a 4,000 mile trip and do not want to be stranded in no man's land, having to need replacement of all 4 chains. I would appreciate you kind attention to my quest for direction.
Thank you for your recommendation, sincerely George. My email is [email protected] my cel phone is 202 701 5847
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