TRNW-2: 10R80 pump bolts

Fri Apr 11 02:57:18 PDT 2025

  I need to have the manager check the availability and price of the Ford
seal kits,  do you happen to have the part # on those ?   Do they come with
the front seal plate ?

    Steve

On Thu, Apr 10, 2025 at 7:29 PM Dan Hogan via trnw2 <trnw2 at trnw.net> wrote:

> Steve,
>
> These bolts don’t appear to be TTY  (old or new) and looks like the reason
> the SI states to replace was the integral seal patch on the original
> design.
>
> I agree with your conclusion. Use the new factory bolts if your unit has
> the silicone patch style bolts and if they are already the late design
> replace the rubber seals with new.
>
> I haven’t seen the precision bolts as we don’t buy aftermarket kits for
> these as it doesn’t make sense given the current pricing. Thanks for the
> heads up.
>
> I do advise using a torque wrench for critical fasteners like pump and
> valvebody bolts and follow the spec in SI. Why not?
>
> —-
> Dan Hogan
> Buster’s Transmission Service
> Matthews, NC 28105
> 704-847-5321
> https://busterstransmissionservice.com
>
> On Apr 10, 2025, at 6:38 AM, Steve Everett via trnw2 <trnw2 at trnw.net>
> wrote:
>
> 
>  I've used them a couple times and didn't have any issues,   the very
> first 10R I built I didn't fully engage one of the clutches in the CDF drum
> and we had to pull it back out, I noticed then the silicone on the bolts
> was smashed and distorted and basically useless , I had to add silicone to
> each when I reassembled it,
>
>      The latest Ford pump bolts are 1000% better than those cheap pump
> bolts in the Precision kits,  I'll never use them again,  Ford bolts are
> only $1.40 each, and if needed to can easily be reused,   I'm not a fan of
> Precision kits anyway, and stuff like this is one of the many reasons,
>
>      As far as the torque to yield stuff they said when these came out,
> and is still repeated to this day,  all the replacement bolts I've seen are
> steel,  including the cheap ones in the kit I used,   the torque spec is
> only 20 ft lbs as far as I looked up,  I doubt very seriously those bolts
> are going to stretch at that low of torque ?   in fact I doubt aluminum
> bolts would stretch at only 20 ft lbs ?  so some "engineer" who has no
> grasp of the real world came up with that when designing this unit
>
>    Steve
>
>     Steve
>
> On Thu, Apr 10, 2025 at 6:28 AM Fred Whitaker via trnw2 <trnw2 at trnw.net>
> wrote:
>
>>  I have been using the bolts in the precision kits with no problems so
>> far.
>> ------------------------------
>> *From:* trnw2-bounces at trnw.net <trnw2-bounces at trnw.net> on behalf of
>> Donald Day via trnw2 <trnw2 at trnw.net>
>> *Sent:* Wednesday, April 9, 2025 6:15 PM
>> *To:* Steve Everett <severett61 at gmail.com>; Technical Discussion Forum <
>> trnw2 at trnw.net>
>> *Subject:* Re: TRNW-2: 10R80 pump bolts
>>
>> Add a4ld washers and use torque wrench
>>
>>
>> Sent from the all new AOL app for iOS
>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__apps.apple.com_us_app_aol-2Dnews-2Demail-2Dweather-2Dvideo_id646100661&d=DwMFaQ&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=smOzNWPZu5-MBJg-0tkHhHoVW9xEBKdKWsMxBeFAJDZVJI6X79ZhQVJ_erT6I9aF&m=IDkwcuQS3vlekyjZ7U0nihV69hWZODywHa69rNvudhX03P3UyDFl-66P0aZcTPw7&s=UTJiDmL577iIsWFaqlvToj-5Xcr-CKowmuIsqdclbn8&e=>
>>
>> On Wednesday, April 9, 2025, 9:10 AM, Steve Everett via trnw2 <
>> trnw2 at trnw.net> wrote:
>>
>> I just got 12 new ones from the dealer,  $1.40 each,  the newest ones
>> have a green o'ring on them, some still have the orange o-ring,  I'm
>> putting loctite on the threads  also, just for insurance,  I know I've had
>> to use those ones in the kits a couple times , and didn't have this
>> problem, so I'm not sure what happened, but it's likely I didn't double
>> check them after tightening them initially ?
>>
>>      Not sure why Ford decided to get away from the aluminum washers
>> they've used on other units ?   or why the aftermarket chose to put that
>> cheap silicone on their replacement bolts ?
>>
>>    Steve
>>
>> On Wed, Apr 9, 2025 at 8:40 AM Healy Powertrain <info at healypowertrain.com>
>> wrote:
>>
>> I'd use OEM on these:
>> New Style Bolt (Including Seal):
>>
>> JL3Z-7N134-A  (each)
>> (12 needed)
>>
>>
>>
>> Marcel Verwijmeren
>> Healy Powertrain
>> Driveline Solutions
>> T 06 57745407
>> E info at healypowertrain.com
>> W www.healypowertrain.com
>> <https://urldefense.proofpoint.com/v2/url?u=http-3A__www.healypowertrain.com_&d=DwMFaQ&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=smOzNWPZu5-MBJg-0tkHhHoVW9xEBKdKWsMxBeFAJDZVJI6X79ZhQVJ_erT6I9aF&m=IDkwcuQS3vlekyjZ7U0nihV69hWZODywHa69rNvudhX03P3UyDFl-66P0aZcTPw7&s=F2VUELG2uGagbap6UaymKMGO6qcRLKjdvnVw4bcYsqo&e=>
>>
>>
>> On Wednesday, April 9, 2025 at 2:00:38 pm +02:00, Steve Everett via trnw2
>> <trnw2 at trnw.net> wrote:
>>
>>   I just had a 10R80 I built a couple weeks ago come back leaking out the
>> front,  virtually all the pump bolts were loose,  I did not reuse the
>> factory ones, but used the ones in the Precision kits,  which have the
>> cheesey silicone applied around the bolt head,   So either I didn't get
>> them tight enough originally ?  which may simply be what happened, I
>> typically put them in with my speed handle, tighten them with my battery
>> powered impact, and recheck them with my speed handle, but I could have
>> been distracted during that process or pulled off to do something else ?
>> who knows ?
>>
>>    What are most of ya'll using on these ?  the later design Ford bolts
>> ?  or using these cheesey ones and maybe adding some locktite or adding a
>> dab of silicone ?
>>
>>   Steve
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