96 ZF5 5TH gear noisy - Ford Powerstroke Diesel Forum
 
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post #1 of 7 Old 02-12-2009, 12:33 PM Thread Starter
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96 ZF5 5TH gear noisy

I was just wondering if anyone has had issues with their 5th gear . I have a bearing type noise cruising at speed. It quiets up on accel and decel, but while maintaining speed it is constant. I think it is getting worse but very gradually.

96 350 Reg.cab 7.3 5sp. 4x4
3.5 to 4in dp, 4in strait pipe
4in Superlift w/ Airlift airbags on 315/75/16 Procomp X-Allterain W16x10Procomp wheels
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79 150 4x4 (my wheelin truck)
420ci M motor,c6
4in lift, 35x12.5x15 Mud Terains
was old driver too much $$$--6-9mpg of premium(11.5to1)
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post #2 of 7 Old 02-13-2009, 05:07 PM
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nope,ive never had a problem yet,although i do need syncros,just afford to have it done.

96 F250 460-auto-ext.cab-long box-4.10-152k-10mpg all day running or not.....

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post #3 of 7 Old 02-13-2009, 05:09 PM
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could be the throw out bearing

99 f350 reg cab 4x4 zf6 speed stock for now
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post #4 of 7 Old 02-16-2009, 01:55 PM Thread Starter
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Most of my experiences with t/o bearings are not gear specific. I was just curious if anyone has had the same problem. Thanks.

96 350 Reg.cab 7.3 5sp. 4x4
3.5 to 4in dp, 4in strait pipe
4in Superlift w/ Airlift airbags on 315/75/16 Procomp X-Allterain W16x10Procomp wheels
Ba### Technicooler(the bad word)
Boost & E.G.T. Guages
Superchips programer(for now)
fpr mod
d.i.y. intake
South Bend clutch

79 150 4x4 (my wheelin truck)
420ci M motor,c6
4in lift, 35x12.5x15 Mud Terains
was old driver too much $$$--6-9mpg of premium(11.5to1)
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post #5 of 7 Old 02-16-2009, 03:56 PM
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is it possible that it is also present in 1-3rd gears, just can't hear it over the motor? if it is in 1,2,3,5 and not 4th then it may be the pocket bearing between the input and output shaft. I had that go bad once and the sound was like a light whirring sound. the thing is in 4th gear the input and output shafts are spinning together.

Just a thought.

99 F350 CCLB 67k miles.

Sold: 01 Dodge cummins ECLB a few more mods to 353hp

Sold: 97 F250 SCLB, 5 speed 2wd. minor mods to 327hp

See a pattern? next I will have to find one of those 6 door jobbers...
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post #6 of 7 Old 02-16-2009, 03:59 PM
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Maybe the bearing in the 5th gear is going bad!

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1997 Ford F-350, Dually conversion, Cobra 29 LX CB, 12000 watt converter, All LED lights, TW tunes, 4" DP, Napa Intake and lots of running lights.

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Thanks. I'll give er a good wackin in the morning.
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post #7 of 7 Old 02-17-2009, 02:28 PM Thread Starter
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I am not shure, I never had one of these boxes apart. Thanks for the input. I'm not ready to pull it yet either, maybe spring. Any links to the brakedown of a ZF5?

96 350 Reg.cab 7.3 5sp. 4x4
3.5 to 4in dp, 4in strait pipe
4in Superlift w/ Airlift airbags on 315/75/16 Procomp X-Allterain W16x10Procomp wheels
Ba### Technicooler(the bad word)
Boost & E.G.T. Guages
Superchips programer(for now)
fpr mod
d.i.y. intake
South Bend clutch

79 150 4x4 (my wheelin truck)
420ci M motor,c6
4in lift, 35x12.5x15 Mud Terains
was old driver too much $$$--6-9mpg of premium(11.5to1)
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