Harmonic balancer puller bolts thread size - Diesel Forum - TheDieselStop.com
'99 & up 7.3L Power Stroke Engine and Drivetrain Discussion of the '99 & up 7.3L Power Stroke diesel engine and drivetrain in the 1999-Up Super Duty trucks and Excursions. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 7.3L Power Stroke engine.

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post #1 of 4 (permalink) Old 03-19-2012, 04:37 PM Thread Starter
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Harmonic balancer puller bolts thread size

The Harmonic balancer puller from Auto Zone comes with 3/8 by 24 coarse and fine thread bolts, already messed up threads on end of one of the coarse thread puller bolts, none of the Part stores have a Harmonic balancer in stock so I can check the threads on a new one.

Searched online and in hear, the only posts I found were unanswered.

I can't believe no one knows which threads, coarse or fine!?
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post #2 of 4 (permalink) Old 03-19-2012, 04:40 PM
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I'm not home to check, but my set from Harbor Freight has SAE and Metric bolts.

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post #3 of 4 (permalink) Old 03-19-2012, 05:16 PM
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I'm almost sure they are 3/8 - 16 bolts. You might need to run a tap into it to clean out the accumulated gunk/dirt - they are usually pretty nasty in there.

Edit - ok, I admit it, I was bored - I went out and ran a 3/8-16 tap into mine - fits perfectly.

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post #4 of 4 (permalink) Old 03-19-2012, 07:51 PM Thread Starter
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Thanks RT, they were 3/8 - 16, nasty was an understatement, 350K of US and CAN salt took its toll. I had trouble getting a thread chaser through them. The rubber looked pretty good though, I wonder if they go bad more in hotter climates? I melted a ruler on my dashboard once driving through Phoenix AZ into the LA area , AC needed charged and wouldn't cut the mustard. I spend more time running into Western CAN from IN.

I am trying to get that oil pump off there to see if it looks like the source of my metal in the HPOP reservoir and injectors.
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