Engine noise
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Laughing Gas
Joined: May 2002
Posts: 869
Likes: 36
From: Ohio
Engine noise
My 95 F150 makes a noise when you first start it up. It is a 300 with about 130k on it. Does leak or use any oil, but a cold start sounds like slop in the rocker assembly. It's ok after the truck is running and any additional wsarm starts. Could it be bad or dirty hydralic lifters? It seems unlikely that anything serious is wrong, it just runs too good for that.
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Laughing Gas
Joined: May 2002
Posts: 869
Likes: 36
From: Ohio
I'm not sure I know how to insert videos or things like that, but I'll give it a try.
Can't figure it out, posting rules says I can't post attachments. I'll try to send them to you both in an email.
Can't figure it out, posting rules says I can't post attachments. I'll try to send them to you both in an email.
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Laughing Gas
Joined: May 2002
Posts: 869
Likes: 36
From: Ohio
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Postmaster
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Cant tell anything from the vedeo , if it only dose it at start up could be lifter , no oil press at start up , bad oil filter , clog in pick up . Usally if its a rod bearing it will just get worse.... Lew
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I'm sorry, but its hard to tell from the sound quality of that video.
I would try changing the oil and running a Motorcraft or Wix oil filter, if you are currently running a Fram.
What does the oil pressure gauge read when its running?
I would try changing the oil and running a Motorcraft or Wix oil filter, if you are currently running a Fram.
What does the oil pressure gauge read when its running?
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Laughing Gas
Joined: May 2002
Posts: 869
Likes: 36
From: Ohio
Yeah, the noise was not that prevailant in the video. I use Amsoil synthetic and their EA filters which are very good filters. I've only owned the truck for about 5000 miles of the 129,000 on the engine. The noise has always been there, but never really bothered me much until I had to start using the truck as my daily driver back in April. Oil pressure is great and does not even go down as the oil reaches normal operating temps. To me, it does kind of sound like rods. Which bearings really determine the pressure? rods, mains or cam ?
Fleet Owner
Joined: Oct 2005
Posts: 20,783
Likes: 1,751
From: Kentucky
Yeah, the noise was not that prevailant in the video. I use Amsoil synthetic and their EA filters which are very good filters. I've only owned the truck for about 5000 miles of the 129,000 on the engine. The noise has always been there, but never really bothered me much until I had to start using the truck as my daily driver back in April. Oil pressure is great and does not even go down as the oil reaches normal operating temps. To me, it does kind of sound like rods. Which bearings really determine the pressure? rods, mains or cam ?
Yes, all of them. As well as the inherent pressure characteristics of your oil pump.
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Laughing Gas
Joined: May 2002
Posts: 869
Likes: 36
From: Ohio
So I should assume that if my pressure is real good (like it is) my bearings should all be good, right?
Fleet Owner
Joined: Oct 2005
Posts: 20,783
Likes: 1,751
From: Kentucky
Should be a safe assumption if the truck runs normally with no indicated pressure drops. Although the factory pressure is well known to really only indicate if there is ANY pressure, not what is really there. If in doubt toss on a real pressure gauge to see what is really happening.
My '04 Intrepid w/3.5L makes a ton of lifter like noise at every cold startup. It helped when I switched to synthetic oil, but it is still audible. It has done it since I bought in '05. 115K miles later it stills runs like new.
My '04 Intrepid w/3.5L makes a ton of lifter like noise at every cold startup. It helped when I switched to synthetic oil, but it is still audible. It has done it since I bought in '05. 115K miles later it stills runs like new.