TRNW-2: 10R80 pump bolts

Fri Apr 11 07:00:38 PDT 2025

Dan, do you buy 10r frictions from ford? We see a lot of flaking frictions
in those so we’ve been buying a less steel kit from Transtar, 425 with bw
frictions.
On Fri, Apr 11, 2025 at 9:57 AM Steve Everett via trnw2 <trnw2 at trnw.net>
wrote:

> Thanks Dan!   We have been paying over $200 for a paper rubber, without
> pistons
>
> Steve
>
> On Fri, Apr 11, 2025, 9:16 AM Dan Hogan <danhogan at busterstransmission.com>
> wrote:
>
>> Steve,
>>
>> The kit number is hl3z-7153-f.  About $157 wholesale ... for now.  They
>> do come with the front seal plate, molded pistons and metal clad seals.
>> This number does not contain the RWD output seal for some reason.
>>
>> ---
>>
>>
>> Dan Hogan
>>
>> Buster's Transmission Service
>>
>> https://busterstransmission.com
>>
>> 704.847.5321
>> ------------------------------
>> *From:* Steve Everett <severett61 at gmail.com>
>> *Sent:* Friday, April 11, 2025 5:57 AM
>> *To:* Dan Hogan <danhogan at busterstransmission.com>; Technical Discussion
>> Forum <trnw2 at trnw.net>
>> *Subject:* Re: TRNW-2: 10R80 pump bolts
>>
>>   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
>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__busterstransmissionservice.com&d=DwMFaQ&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=smOzNWPZu5-MBJg-0tkHhHoVW9xEBKdKWsMxBeFAJDZVJI6X79ZhQVJ_erT6I9aF&m=VB5hfDjdpq_WfJYZvnxJPbOdOqsQ7ZCqg_i3lFANOTAUT5hCX9xp3UQzKTN4C-lw&s=ZsiDVtX5xNsb0yhb41rXaYLmj7VZZQ-FLWfTeA2CYVc&e=>
>>
>> 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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