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Old 08-01-2015
Thread Starter
Join Date: Jun 2015
Location: collingwood, ontario
Posts: 26
timing chain maintenance

Is there a mileage at which the chain tensioners should be replaced on a 2010 ford ranger with a 4 liter motor or do i wait until i hear bad noises and see plastic in my motor oil?
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Old 08-01-2015
Join Date: Jul 2006
Location: Minnesota
Posts: 1,308
Mine has 114k and you can hear chain rattle good but it runs smooth so idk.Really don't think there is a replacement schedule.But maybe i'm wrong.
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Old 08-02-2015
Join Date: Jul 2015
Location: Lakeland, Fl
Posts: 3
My 2001 has 83680.0 pampered miles - and the guide just went. So I would say it's anybody's guess
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Old 08-03-2015
IN2 FX4's Avatar
Join Date: Feb 2005
Location: Costa Mesa, CA
Posts: 855
I have 185K miles on my 02 so far. I have not had any of the symptoms of bad timing chain guide at this point. I did change the timing chain tensioners at around 150K miles as a preventative maintenance measure but the old ones were still good. They are accessible without having to remove the engine. The rear one was pretty easy but the front one required a lot more work. I got the tensioners at a decent price online and am not sorry I did it.
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