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  #1  
Old 04-22-2018, 05:36 AM
P6SKC P6SKC is offline
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Default Rattle Sound around 3000 RPM

Hello everyone! I am new to the forum. I have done some searching on my issue but the symptoms I have seem to be different and on a later year model.

When accelerating/under load, rattle noise develops at or close to 3000 rpms from first to second and second to third right before shift. Once it shifts and rpms drop the rattle disappears. The noise is not loud, nor rough sounding. If I accelerate normally, not having to get up and go, it does not make the noise. It does not make the noise at any other time. I cannot tell if it is pinging or not because I don’t know what that sounds like..never heard it before. I’ve read about earlier rangers (00-02), and earlier explorers having a timing chain tensioner issue and I have read the tsb on this but it doesn’t rattle at idle on start up, nor is it happening only when engine cold. I haven’t been able to find anything on the later 2000 models on this.

Has anyone had this issue or know what it could be? The truck has been great and has 97k on the miles. I bought it new in 2011 and have done all services at the recommended time.

Any help or info is greatly appreciated. I don’t want to ruin my engine.
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Last edited by P6SKC; 04-22-2018 at 06:58 AM.
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  #2  
Old 04-22-2018, 01:37 PM
P6SKC P6SKC is offline
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Default Re: Rattle Sound around 3000 RPM

Could it be bad lifters? Has anyone else experienced this issue besides me?
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  #3  
Old 04-23-2018, 12:08 AM
Undrstm8ed Undrstm8ed is offline
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Default Re: Rattle Sound around 3000 RPM

lose heat shield perhaps?

does it do it only while driving or at park..
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Old 04-23-2018, 10:11 AM
P6SKC P6SKC is offline
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Default Re: Rattle Sound around 3000 RPM

Only while driving. I did some more test driving with it and it is most noticeable when I first drive it for the day. Not necessarily a cold morning, just when it hasnít been driven in several hours. After driving for a while it doesnít do that rattle sound at 3k.
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Old 04-23-2018, 04:37 PM
bjurke bjurke is offline
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Default Re: Rattle Sound around 3000 RPM

It is possible you need to replace timing chain tensioners. There are 2 of them. would also consider draining oil into oil drain pan and check bottom of pan for any small pieces of plastic which would indicate early timing chain guide failure.
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Old 04-24-2018, 12:29 PM
P6SKC P6SKC is offline
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Default Re: Rattle Sound around 3000 RPM

Thank you for the advice. Iím planning on changing oil today or tomorrow after work. Will post results.
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Old 04-26-2018, 03:45 PM
P6SKC P6SKC is offline
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Default Re: Rattle Sound around 3000 RPM

Ng in the oil after the oil change. I think I’ll try the timing chain tensioners next
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Old 04-27-2018, 08:11 AM
barneycat11 barneycat11 is offline
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Default Re: Rattle Sound around 3000 RPM

Have you tried a higher grade fuel maybe you got some bad gas.
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Old 04-28-2018, 07:25 PM
Grumpa Grumpa is offline
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Default Re: Rattle Sound around 3000 RPM

What you are describing kind of sounds like what I had when it was the front pump in the trans.
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1995 Ranger XLT 3.0L OBDII
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