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Old 08-27-2010, 01:03 PM
the57man the57man is offline
Learning to use the forums
Join Date: Aug 2010
Posts: 13
Default I am really confused!!!

I have a 2.3L 2004 ranger. I am planning on buying it from a good friend but lately I noticed, what I call it, a rod knock. It doesn't do it when I first start it but a few minutes after it has been running, I start hearing it. It is most noticable when it is idling and you just feather the throttle. I had a mechanic look at it and the first thing he did was take off the serpentine belt. We didn't hear ther noise. He thought it might be an accessory making noise. I put the belt back on and the noise was back. I have been driving the truck and decided to take to a dealership. I had them listen to it and at first it wouldn't make the noise but then it started again. They thought it was something internal. I notice the noise the most when I just start to roll and I let out the cluch. Just today I took the belt off again and let it warm up to almost overheating. no noise!! How can a noise like that come and go?? Anybody out there have any ideas??
2004 Ranger. 4 cyl white 5 speed. no bells or whistles. Its my work truck and just got it two weeks ago.

Last edited by 01_ranger_4x4; 08-27-2010 at 01:28 PM.
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Old 08-27-2010, 01:06 PM
Clinton Clinton is offline
Join Date: Mar 2010
Posts: 14,049
Default Re: I am really confused!!!

May be the throw out bearing for the clutch, I had an s-10 that did that alot
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Old 08-27-2010, 01:31 PM
01_ranger_4x4 01_ranger_4x4 is offline
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Join Date: Feb 2010
Posts: 6,043
Default Re: What the h*#l it that noise!!

I merged your two threads. next time just PM one of the mods (me, STL, Tom, Rangerjustin, Alon) and we can move the thread for ya.
2001 Ranger 4x4 Stepside
-RCD Suspension lift
-33x12.5 BFG KM2's on Mickey Thomson classic locks
-4:56 gears
-Auburn gear LS
-James Duff traction bars
-Flowmaster duals
-SCT X-Cal2 and some small exterior mods

2005 F-150 Lariat 4x4
-LED third brake light
-Weathertech floor liners
-Edge tuner
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Old 10-04-2010, 09:21 PM
gregwenn gregwenn is offline
Stock 2.3, 2WD XLT
Join Date: Aug 2010
Posts: 6
Default Re: What the h*#l it that noise!!

Maybe also intake runners (IMRC). I've had a 'rattling' noise when I've let in or out the clutch for several years -- 36K-120K miles. It is kind of like the old, air gulper, emissions valve.
I thought it was a clutch/throw out bearing for a while, but it's not.
Plain old boring, stock 2.3l, 2WD XLT
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2004 ranger rod knock

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