7.3 knock - Ford Powerstroke Diesel Forum

 
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post #1 of 9 Old 12-30-2012, 06:03 PM Thread Starter
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7.3 knock

I have a 97 f350 7.3 powerstroke with 197,000 miles on it.My question for you guys is that it is making a ticking noise almost like a lifter tap.It gets faster the higher the rpm but at idle i can not hear it at all. Truck running good and no smoke what so ever.It sounds like its from the drivers side.Could it be injector knock on the number eight injector? Or could it be something worse?? Thanks for any help

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post #2 of 9 Old 01-01-2013, 06:12 AM Thread Starter
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all these memebers and no one has had this problem??? any help???

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post #3 of 9 Old 01-01-2013, 06:30 AM
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if it goes faster as your rpms go up it would be your wrist pin. if it don't and stays the same then i would check for air leak or your fuel pump behind your fuel bowl. the wrist pin on my truck has been bad for little over fivers and nothing has happen and it is still bad.

1997 f-250 ex cab: 6637 air filter, 3" down pipe to 4" pipe.

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post #4 of 9 Old 01-01-2013, 04:42 PM Thread Starter
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where is the wrist pin?? You dont see it as an injector knock?

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post #5 of 9 Old 01-01-2013, 05:25 PM
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Wrist pin is the pin that connects the rod to the piston



The STROKE
1996 F-250 Powerstroke
7.3 DI T444E.
TS 6 Postion chip
Gloshift max tow gauges
3 inch dp to 5 inch exhaust
diy intake 6637

The Wheeler
1987 Jeep Cherokee
4.0 inline 6
3 inch rustys lift
Cut fenders
33x12.50 r15
Redneck weight reduction

The work truck
2012 Ford F-350 DRW 6.7 Powerstroke
C&M Flatbed
100 gallon slip tank
ProTech side boxes

The Bike
2006 CRF 450R
some go fast parts
Endless other sh*t
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post #6 of 9 Old 01-01-2013, 05:28 PM Thread Starter
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stupid question but can it be fixed with the motor still in or do you have to pull the motor?

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post #7 of 9 Old 01-01-2013, 05:36 PM
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Have to pull the motor and if ur gonna do it i recommend freshening the motor. New bearings piston rings ect.



The STROKE
1996 F-250 Powerstroke
7.3 DI T444E.
TS 6 Postion chip
Gloshift max tow gauges
3 inch dp to 5 inch exhaust
diy intake 6637

The Wheeler
1987 Jeep Cherokee
4.0 inline 6
3 inch rustys lift
Cut fenders
33x12.50 r15
Redneck weight reduction

The work truck
2012 Ford F-350 DRW 6.7 Powerstroke
C&M Flatbed
100 gallon slip tank
ProTech side boxes

The Bike
2006 CRF 450R
some go fast parts
Endless other sh*t
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post #8 of 9 Old 01-01-2013, 08:06 PM
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you have to pull he motor cause you have to get at it from the the bottom of the motor. if it was your injector it wouldn't speed up. at least in my other diesel it didn't.when you have a bad injector your truck will idle ruff.

1997 f-250 ex cab: 6637 air filter, 3" down pipe to 4" pipe.
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post #9 of 9 Old 01-06-2013, 02:11 PM Thread Starter
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well the verdict is in and it is a cracked exhaust manifold now my question is should i go factory or something else???

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