Should you replace timing chain, guides and tensioners?
#1
05-03-2015, 09:00 AM
Should you replace timing chain, guides and tensioners?
I have a 2005 Mercury Mariner/Escape with 220 K Miles
Lately I have been scared about timing chain and guides wearing off in engines. I have always been told that timing chain can last the life of the engine
but I am worried when should we replace guides and tensioners as they are mostly made of plastic.
I dont' see those in recommended service in the books as I see timing belts. I have driven my other cars with timing chaines almost 230 K miles without any problem.
What are you thoughts on this? Should you only do it if the plastic guides break?
Lately I have been scared about timing chain and guides wearing off in engines. I have always been told that timing chain can last the life of the engine
but I am worried when should we replace guides and tensioners as they are mostly made of plastic.I dont' see those in recommended service in the books as I see timing belts. I have driven my other cars with timing chaines almost 230 K miles without any problem.
What are you thoughts on this? Should you only do it if the plastic guides break?
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