Knocking Sound in Fuel Pan?

christi · Jun 25, 2014

Hello all! I've only owned my 1999 Ram 4 months and this afternoon I heard a noise coming from the middle-back underneath the truck. I'm guessing this is the fuel pan? What could this sound be? I looked underneath, and on the pan it says "MADE IN USA KAUTEX AVILLA" Again, I'm not saying this is definitely where the sound is coming from. but what else could it be coming from if the sound is way under the truck towards the middle-back? It just started making the sound today, and it's off and on. Please help!

Thanks,

Christina

adam1500 · Jun 25, 2014

Is this on cold starts ? And does the noise go away after it warms up?

christi · Jun 25, 2014

Good question. On this particular trip I had only gone about 2 miles. I was in heavy traffic though. I didn't notice the sound until the last minute of the drive, so I don't think it was at the beginning. I bet the entire trip was 6 minutes and through town at a very small speed.

adam1500 · Jun 25, 2014

hmm well do u have the 4.7?
I know some rams had issues with exsahust manafold a make ticking noises and a lot of rams make a ticking /slapping noise when u first start them and even some make the noise when the engines hot . when you hit the gas does the noise get louder ?

christi · Jul 10, 2014

This started happening right after I got my air conditioner fixed. The truck runs A LOT louder now too. Exhaust sounds about right. I don't think the truck was running hot at all bc I checked the gauges.

dapepper9 · Jul 10, 2014

go through and check all exhaust connections and hangers. Somethin might just be loose and tapping (if thats the kind of sound it is)

Do need more information tho

Knocking Sound in Fuel Pan?

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