TRNW-2: 8HP75 are these rebuildable

[Fred Whitaker]

     I work in a pretty low income area. And so far with these when I get one  that is "shot",used ones have been an obvious solution.  The price used ones go for they must not be super problematic. We keep the cores,but is seems anymore looking for parts in cores is a waste of time. So much stuff is traps and dead ends because this doesn't interchange with that!
  Yes someone is fixing them. But I see no way right now how I could compete with prices used ones are going for.
________________________________
From: trnw2-bounces at trnw.net <trnw2-bounces at trnw.net> on behalf of Steve Everett via trnw2 <trnw2 at trnw.net>
Sent: Thursday, January 9, 2025 7:07 AM
To: Healy Powertrain <info at healypowertrain.com>; Technical Discussion Forum <trnw2 at trnw.net>
Subject: Re: TRNW-2: 8HP75 are these rebuildable

  I havent been into one of these yet, but I look at any new unit the same way,  someone put it together, someone is fixing them somewhere,  I'll give it a shot

Steve

On Thu, Jan 9, 2025 at 7:34 AM Healy Powertrain via trnw2 <trnw2 at trnw.net<mailto:trnw2 at trnw.net>> wrote:
Thats like saying no to a 700/4L60 in 1989...

I believe its considered a non-serviceable unit by the OE, but its just like any other supposed to be "non-serviceabel" units that turned out to be very serviceable.
Complete Gear Train is held by small clip behind rear seal.
There is a seal thats difficult (riveted) to replace (D-Clutch). It has to be drilled and re-centered.  Transtec has a tool available, but you can make your own. Same clutch needs a Thicker Pressure Plate, so does Clutch A with the earlier units (Pre-2019). Those are available from Sonnax
D-Clutch Shell Is always worn, check other alu hubs for same wear.
Some Pre-2015/16 (not sure) need an updated Planet #3> Pinion washers changed from plastic to copper.
Valvebody is similar to a 6HP.  Check for same wear patterns.
Unfortunately TCM is not available seperately.

Its odd that most parts places have not much available other than the basic OH/Seal, Friction/Steel kits.
Eriksson Industries has more parts, or can at least get the correct parts.
Have Fun!

Best Regards,

Marcel Verwijmeren
Healy Powertrain
Driveline Solutions
T 06 57745407
E info at healypowertrain.com<mailto:info at healypowertrain.com>
W www.healypowertrain.com<http://www.healypowertrain.com/>


On Thursday, January 9, 2025 at 4:31:48 am +01:00, Richard Wardell via trnw2 <trnw2 at trnw.net<mailto:trnw2 at trnw.net>> wrote:
Save yourself the stress and just say no.....

Richard Wardell


On Wed, Jan 8, 2025, 1:04 PM Brett Karulak via trnw2 <trnw2 at trnw.net<mailto:trnw2 at trnw.net>> wrote:
Are these things rebuildable?  If so, what else is needed outside of TC, LS Kit, PanFilter, and any broken parts.  If it does need hard parts, are those available?  Units are on national back order from Dealer.  Anyone else sell these like Jasper or someone else?

thank you,
brett
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