Metal tapping sound from engine
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Freshman User
Joined: May 2006
Posts: 39
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From: huntington beach
Metal tapping sound from engine
05 F-250 6.0 4x4
I have noticed a "metal tapping" sound from the engine when it is idling. Seems like it is louder on the driver side, (in the wheel well). Is this normal? Does anyone else hear this type of sound on their truck?
I have noticed a "metal tapping" sound from the engine when it is idling. Seems like it is louder on the driver side, (in the wheel well). Is this normal? Does anyone else hear this type of sound on their truck?
Jäger
Joined: Jan 2005
Posts: 5,491
Likes: 5
From: Northern Arizona
Mine makes a slight metallic tapping sound but it's not very loud. Diesels fire on compression so they sound much different from a spark-fired engine and this may be what you're hearing. Is this your first Diesel? Check this out but it's just for reference, don't let this make you too nervous about your PSD:
Metal Tapping Noise from Rear of Engine:
Excursions built after 1-10-05 and 2005/06 F-SuperDuty may have a metal tapping noise from the rear of the engine on decel or light acceleration, or under loads when the high oil pressure is at higher levels. This may be due to a damaged/improperly fitting HP oil pump output quick connect fitting. To diagnose, you will need a scan tool with active command capability. Command the IRP duty cycle to 45% and listen at the high pressure oil pump cover with a stethescope as the engine speed is increased to 2800 RPM. If the noise is louder on the pump cover than on other parts of the engine, the pump cover will need to come off to inspect and replace the fitting. Broadcast Message 5511.
Metal Tapping Noise from Rear of Engine:
Excursions built after 1-10-05 and 2005/06 F-SuperDuty may have a metal tapping noise from the rear of the engine on decel or light acceleration, or under loads when the high oil pressure is at higher levels. This may be due to a damaged/improperly fitting HP oil pump output quick connect fitting. To diagnose, you will need a scan tool with active command capability. Command the IRP duty cycle to 45% and listen at the high pressure oil pump cover with a stethescope as the engine speed is increased to 2800 RPM. If the noise is louder on the pump cover than on other parts of the engine, the pump cover will need to come off to inspect and replace the fitting. Broadcast Message 5511.
Junior User
Joined: Oct 2005
Posts: 63
Likes: 0
I also noticed that sound in the front of my truck too, more towards the drivers side. I have no idea what that sound is,but it must be normal if they both do it. It kind of sound like a fan hitting the edge of the shroud.
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