OHV 4.0 rattle at idle - 6 Cylinder Gasoline - Ranger Engine Tech

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Posted: Sat Jun 16th, 2018 12:06 am

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Dusten
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the audio isnt great, but if you turn it up you can hear it rattle randomly at idle. It appears its rattling with the movement of the tensioner. Perhaps I'm losing it? I need to pull the belt sunday and see if the rattle is still there.

Thoughts?

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Posted: Sat Jun 16th, 2018 09:22 pm

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Mike69

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Dusten, what is the mileage on your Ranger?. My last Ranger when I pulled the belt to replace it the tensioner fell apart & it was around 100K if I remember the mileage correctly. If the belt has not been replaced in a long while I would replace it & the tensioner together. From what I can hear in the video that is what it sounds like, also the p/s pump is whining too.

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Posted: Sun Jun 17th, 2018 11:07 am

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Dusten
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Mike69 wrote:
Dusten, what is the mileage on your Ranger?. My last Ranger when I pulled the belt to replace it the tensioner fell apart & it was around 100K if I remember the mileage correctly. If the belt has not been replaced in a long while I would replace it & the tensioner together. From what I can hear in the video that is what it sounds like, also the p/s pump is whining too.

The belt is new. I replaced it just before driving across country, so it has maybe 5 or 6k on it.

I will pull the belt today and see if the noise goes away.

As for the PS pump whine, that can kiss my ass. Its a new pump that I installed when I bought the truck. Its quieter than the pump i replaced, but still pretty loud. I know that the air can be removed with a vacuum setup but I lack the setup. I've ensured it is filled and I have cycled the front end back and forth with the tires up. At this point I just accept the noise as normal.

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