Engine Noise
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Freshman User
Joined: Jan 2002
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From: Idaho
Engine Noise
Over the weekend I purchased a used F-350 crew cab with a 7.5L 460 engine. The only thing that is concerning me is the noise the engine makes. When I start up the engine, there is a ticking noise. It gets louder when I accelerate, but goes away after about 2 minutes. It happens almost every time I start the truck, but does not last long at all. My friends say it might be a lifter? Any advice about how to check this, or could it be something else? I did a search on this site and most of the posts regarding this said to add some kind of additive to the oil. Is this a good thing to try out? Thanks for all the advice. I appreciate it.
New User
Joined: Jan 2008
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Engine Noise
It sounds to me like the oiling system is losing its prime.
How long is this engine sitting before run again?
What's the Temperature where this truck is sitting?
What is the viscosity of the oil you're using?
Dennis
Oh....Please Don't Ask Me Any Tough Questions As:
"I'm Saving Up MY Memory For When I Develop Alzheimer's"
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78 F-150 429CJ C6 ,Silver w/Explorer Pkge
641/2 Mustang,Pre-World's Fair Car #8092
64 Fairlane S/C waiting for a 390-4spd.
68-Mustang.Sunlit Gold 80,000 miles
How long is this engine sitting before run again?
What's the Temperature where this truck is sitting?
What is the viscosity of the oil you're using?
Dennis
Oh....Please Don't Ask Me Any Tough Questions As:
"I'm Saving Up MY Memory For When I Develop Alzheimer's"
https://www.ford-trucks.com/user_gallery/displaythumbnail.php?&photoid=144&.jpg
https://www.ford-trucks.com/user_gallery/displaythumbnail.php?&photoid=143&.jpg
78 F-150 429CJ C6 ,Silver w/Explorer Pkge
641/2 Mustang,Pre-World's Fair Car #8092
64 Fairlane S/C waiting for a 390-4spd.
68-Mustang.Sunlit Gold 80,000 miles
Postmaster
Joined: Aug 2001
Posts: 2,882
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From: Nevada
Engine Noise
If you're lucky, it could be a lifter. Or, as mil1ion says, the drain back valve on your oil pump could be going south. To identify the lifter that's either bad or sending a message for lack of oil prime, get a piece of garden sized hose, have somebody start the engine, determine the bank of cylinders that has the ticking lifter and identify which lifter is making the noise by putting the hose against the valve cover and an ear on the other end. You'll have to pull the intake manifold and, on post '72 engines, the valve train on that bank. If replacing the lifter doesn't cure it, pull the pan and replace the oil pump. Both are time consuming but weekend type jobs.
You can try an additive, but personally I'm not real fond of anything that changes my engine oil viscosity and dislodges bits and pieces of crud that will visit the bearings.
You can try an additive, but personally I'm not real fond of anything that changes my engine oil viscosity and dislodges bits and pieces of crud that will visit the bearings.
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Joined: Jun 2001
Posts: 36
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Engine Noise
Ok i could be way off here.. But Our Ch*vy suburban did that when the headers weren't sealed and tightened down properly.
If it doesn't have headers could just be an exhaust leak from the exhaust manifold. Once it warms up a bit things expand and seal up losing the leak.
Just an idea
If it doesn't have headers could just be an exhaust leak from the exhaust manifold. Once it warms up a bit things expand and seal up losing the leak.
Just an idea
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Freshman User
Joined: Jan 2002
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From: Idaho
Engine Noise
To answer those questions...
The longest the truck sits between driving is overnight.
I live in Idaho and the temp. out is 25F-50F this last week. Not too cold and not too warm. I have only had the truck a week.
As for the oil...I am not sure what weight the dealership put in. I have noticed a small drip under the truck. I am not mechanically gifted...so my explanations are pretty generic. The oil is dripping out of a little **** on the bottom of a small "tank" directly behind the front axle. I believe the oil pan is the next "tank" behind where it is leaking. BTW...it is a F-350 CC w/460. Like I said above...the noise is more annoying than anything. The oil pressure is fine and the noise goes away after about 2 minutes of driving time. I will check out the things you guys suggected. I appreciate it greatly. I will conintue to read from this site and learn as much as I can. Thanks again.
The longest the truck sits between driving is overnight.
I live in Idaho and the temp. out is 25F-50F this last week. Not too cold and not too warm. I have only had the truck a week.
As for the oil...I am not sure what weight the dealership put in. I have noticed a small drip under the truck. I am not mechanically gifted...so my explanations are pretty generic. The oil is dripping out of a little **** on the bottom of a small "tank" directly behind the front axle. I believe the oil pan is the next "tank" behind where it is leaking. BTW...it is a F-350 CC w/460. Like I said above...the noise is more annoying than anything. The oil pressure is fine and the noise goes away after about 2 minutes of driving time. I will check out the things you guys suggected. I appreciate it greatly. I will conintue to read from this site and learn as much as I can. Thanks again.
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Joined: Dec 2001
Posts: 30
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From: cheney usa
Engine Noise
[updated:LAST EDITED ON 11-Feb-02 AT 01:47 PM (EST)]my 460 does the same thing. for a while i thought i was gonna have to rebuild it or take it in. the trick i found is to watch my oil level like a hawk. the second it gets a bit low there is a tick in my head. the reason that it goes away in yours could be that it is taking that long for the oil to get up to the lifter and lubricate everything sufficently (to heavy an oil maybe?). hope that may help. i have been thinking about replacing my oil pump, but i am a poor college student and thus if it is not completely broken or non-functional it is on the bottom of my list of things to do.
kyle
kyle
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From: taylor us
Engine Noise
Your right on not letting it get low on oil the 429 460's are notorious for having weak oiling systems. When puting performance to these engines everyone has told me to use a high volume oil punp and a hardened pump shaft.
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Junior User
Joined: Sep 2001
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Engine Noise
The prob could be something as simple as a faulty oil filter.There is a rubber valve in the top of the filter that keeps oil to the top of the engine when stopped .If it's faulty all the oil drains back to the sump and takes a while to pump up again on startup..This is the cheapest place to start...
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