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1997 Ford F-150 Brand New Engine Noise

06/30/2016 8:41 PM

Hi guys never listed in transportation before.

Please watch the video of my f150 V6 and its new knocking sound. If you can identify it I'd appreciate some insite.

Started today out of no where all gauges reading A-OK.

Thanks guys,

https://youtu.be/QJYB9UMp_Bs

jj

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#1

Re: 1997 Ford F-150 brand new engine noise

06/30/2016 8:56 PM

Could be one of the accessories.

Take the serpentine belt off and spin each driven component by hand including the idler pulley.

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Commentator

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#2

Re: 1997 Ford F-150 brand new engine noise

06/30/2016 10:09 PM

Thanks lyn,

ill try it out...if it makes it to the dump and back tomorrow!

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#3

Re: 1997 Ford F-150 brand new engine noise

06/30/2016 10:24 PM

Im thinking phaser solenoid

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#4
In reply to #3

Re: 1997 Ford F-150 brand new engine noise

06/30/2016 11:16 PM

no - flux capacitor.

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#5
In reply to #4

Re: 1997 Ford F-150 brand new engine noise

06/30/2016 11:34 PM

don't think so mikerho. It's reading 1.20 gigawatts. Well within spec for this make and model. Thanks anyway.

jj

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#18
In reply to #5

Re: 1997 Ford F-150 brand new engine noise

07/01/2016 10:58 PM

Sounds like my 1956 Chevy after throwing a rod through the valve cover!

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#11
In reply to #4

Re: 1997 Ford F-150 brand new engine noise

07/01/2016 9:06 AM

keep the day job

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#21
In reply to #3

Re: 1997 Ford F-150 brand new engine noise

07/01/2016 11:58 PM

Impressive! That's what the noise is - or at least that's what it sounds like. Good job!

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#32
In reply to #21

Re: 1997 Ford F-150 brand new engine noise

07/03/2016 1:48 PM
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#6

Re: 1997 Ford F-150 brand new engine noise

07/01/2016 12:53 AM

Sound like the bearing in the alternator...or just the A/C running....

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#7
In reply to #6

Re: 1997 Ford F-150 brand new engine noise

07/01/2016 4:34 AM

Could be the water pump....

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#8

Re: 1997 Ford F-150 brand new engine noise

07/01/2016 4:44 AM

My guess is a fan blade clipping something (unless electric fan - which it probably is - in which case it would only be there with a hot engine.)

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#9

Re: 1997 Ford F-150 brand new engine noise

07/01/2016 5:34 AM

How in the Hell can we make any kinda guess with a 30 sec. video? Let alone the sound quality?

But, wait a minute ---- My girl friend might tell you

Damn it, She's telling me there's not enough info. for her crystal ball but it sounds like a ......

and Beating a Found On the Road Dead

If all else fails, you may want to join a Cavalier forum? I won't tell

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#10

Re: 1997 Ford F-150 brand new engine noise

07/01/2016 5:59 AM

Thanks guys,

My initial suspects were the fan blade or the alternator as suggested. I'll run it down after the weekend and report back who the winner of "name that knock" is.

Oh and dj95401 sorry about the quality I gave the sound crew the week off... And it's a 1997 soooo it's probably been around almost as long as that gif you post of you and your horse.

Thanks again guys and have a great holiday weekend if your from these parts.

jj

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#12

Re: 1997 Ford F-150 Brand New Engine Noise

07/01/2016 11:13 AM

I and all my family have drove Fords all my life and to be honest, the only time we get concerned about ticking and knocking sounds is when they disappear for an extended period of time.

It's similar to the check engine light. If it's on everything normal but if it goes off something must be wrong.

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#13

Re: 1997 Ford F-150 Brand New Engine Noise

07/01/2016 11:52 AM

You might cut a section of garden hose and use it like a stethoscope to pin point the noise.

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#14
In reply to #13

Re: 1997 Ford F-150 Brand New Engine Noise

07/01/2016 3:07 PM

GA.I've also used broom sticks, long screw drivers, or long socket extensions to listen to each component. Just have to be careful not to get caught up with the moving parts.

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#15
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Re: 1997 Ford F-150 Brand New Engine Noise

07/01/2016 4:04 PM
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#16

Re: 1997 Ford F-150 Brand New Engine Noise

07/01/2016 4:09 PM

Sorry for the bad joke JJ. It is difficult to pin point the noise from the video. Don't know if your working it now, but if you can do as Lyn suggested with a length of hose or something you can hold to your ear and listen to each component as the engine is running will give an idea as to which one is going out. The water pump maybe to dangerous to listen to while it's running, but as Lyn also suggested, remove the serpentine belt and spin each pulley also try wiggling each pulley to check for a bad bearings. It's also the safest way to check the water pump

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#19
In reply to #16

Re: 1997 Ford F-150 Brand New Engine Noise

07/01/2016 11:47 PM

I would simply remove the belt and then start the motor. If the sound is still there then you can eliminate anything that is belt driven. I would consider a loose torque converter-to-flex plate bolt if the noise is still present (considering that all gauges/idiot lights are reading normal, including oil pressure). Good luck.

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#17

Re: 1997 Ford F-150 Brand New Engine Noise

07/01/2016 10:56 PM

Based on my experience with Fords, my first guess would be idler pulley bearing, followed by alternator shaft bearing, followed by water pump shaft bearing. All of those have asymmetrical loading and will likely fail over time.

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#20

Re: 1997 Ford F-150 Brand New Engine Noise

07/01/2016 11:57 PM

Here is a video of the same noise you have. Someone above nailed it - it's the Phaser. https://www.youtube.com/watch?v=-YFOxIZEWZM

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#22
In reply to #20

Re: 1997 Ford F-150 Brand New Engine Noise

07/02/2016 1:56 AM

Except Ford did not start using Phasers till the 3 valve in 2004, 97 is a 2 valve.

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#25
In reply to #22

Re: 1997 Ford F-150 Brand New Engine Noise

07/02/2016 1:47 PM

I believe you are correct....

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#33
In reply to #22

Re: 1997 Ford F-150 Brand New Engine Noise

07/03/2016 4:28 PM

You are correct. The Cam Phaser was not used in their V-8 engines until 2004.

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#23

Re: 1997 Ford F-150 Brand New Engine Noise

07/02/2016 2:24 AM

I also feel that noise from fan it is touching some other part.

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#24

Re: 1997 Ford F-150 Brand New Engine Noise

07/02/2016 1:44 PM

Found this...

"The 4.2L is a great engine once you get past 2 very specific gaskets installed on the 1997 and some 1998 model year trucks.

What it breaks down to is that all 4.2L engines built prior to 01/15/98 received obsolete lower intake manifold gaskets. After 01/15/98 Ford began using a revised, thicker gasket as well as a different install procedure, that created a much more robust seal between the lower intake manifold and the engine block. When this original gasket fails (many have) coolant can leak externally and/or internally. If it leaks externally, the engine can over heat. If it leaks internally, coolant can enter a cylinder through an open valve and hydrolock the engine or throw a rod. If the coolant leaks into the oil, it can damage the bearing surfaces and create an engine knock. Both scenarios create the need for a rebuild.

The other problem is the engine front cover gasket (timing cover). Ford issued customer satisfaction program (recall) 99B29 in December, 1999 that included all 4.2L F-150s built though 12/31/96. The problem was that this recall left out all of those vehicles, with engines built 01/01/97 through 05/01/97 with the same gasket as those recalled.

Most of the engine failures now being reported are related to lower intake manifold gaskets leaking coolant into the engine. Most of these failures are also on engines that have had the timing cover gasket replaced. I think this has to do both with one problematic gasket already being replaced and also to do with older vehicles having higher mileage. Most failures seem to be between 80,000-100,000 miles. As time goes by, more engines will naturally fail.

My truck was built on 05/05/1997. I wasn't included in 99B29 but my timing cover gasket failed as did the lower intake manifold gaskets. Both a little under 80,000 miles. The repair was about $1,200.00. If I had not had my truck towed to the dealer when my coolant level dropped, starting the engine would have certainly destroyed it. Most owners actually lose their engine because these coolant leaks can happen overnight. Shut the engine off one night and in the morning the crankcase is full of coolant or perhaps a cylinder as well.

I've also personally been in contact with over 300 owners in a similar situation; failed gaskets and or engine replacement; under 100,000 miles, most of the time.
Naturally, not all will fail. But, it is frequent enough to cause concern and create a situation where the owner should keep and eye on the coolant level.

Ford TSB #99-20-7 is very detailed about what the problems are and which engines are affected. Any 1997-1998 losing coolant needs to be inspected immediately. "

http://www.ford-trucks.com/forums/5777-i-bought-a-97-f150-4-2l-v6-i-need-help-i-hear-many-negative-comments-please-help.html

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#29
In reply to #24

Re: 1997 Ford F-150 Brand New Engine Noise

07/02/2016 6:50 PM

Or it could be the early warning noise that you need A Brand New Engine.

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#30
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Re: 1997 Ford F-150 Brand New Engine Noise

07/02/2016 8:39 PM

...or maybe the oil is low a couple of quarts...

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#26

Re: 1997 Ford F-150 Brand New Engine Noise

07/02/2016 3:08 PM

I would be sure to check the starter motor bolts, when they are slightly lose the engine can still start but can sound like a seriously bad knocking.

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#27

Re: 1997 Ford F-150 Brand New Engine Noise

07/02/2016 6:17 PM

You didn't give any mileage and maintenance data....but I would check oil pressure, and possibly pull both valve covers and look for broken springs and sufficient oil flow for the lifters....

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#28
In reply to #27

Re: 1997 Ford F-150 Brand New Engine Noise

07/02/2016 6:21 PM

broken springs = sucked valve, blown engine

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#31

Re: 1997 Ford F-150 Brand New Engine Noise

07/03/2016 2:22 AM

Have you replaced the old (1997) engine with Brand new Engine?.

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#34

Re: 1997 Ford F-150 Brand New Engine Noise

07/06/2016 8:04 AM

Thanks for all the input guys. Just getting back from a loooong weekend. And will try and run this down today. Starting with fluid checks -stethoscope checks - bolt checks.

Thanks again , will report back soon.

jj

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#35

Re: 1997 Ford F-150 Brand New Engine Noise

07/06/2016 6:19 PM

And the culprit is......

tensioner pulley....

bearing on the pulley failed. Apparently only going to cost me $80, and only have to get past one T50 bolt.

Thanks again.

jj

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#36
In reply to #35

Re: 1997 Ford F-150 Brand New Engine Noise

07/06/2016 10:33 PM

Well that was an easy fix....lucky dog, we were ready to swap engines out....haha

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