[Shop-talk] Lucas Transmission Fix

[David Scheidt]

> On Feb 21, 2024, at 07:03, old dirtbeard <dirtbeard at gmail.com> wrote:
> 
> 
> Hi Moose,
> 
> Yes, when someone does not want to take your money for doing the work they normally would do, that says something. 
> 
> If it is just a seal, though, Dodge almost certainly bought the seals from some company that makes them. Perhaps you could find the specs for the seal and look-up industrial supply companies and try to match it? We do this for bearings and seals for the old British stuff.
> 

There are a whole lot of parts that are basically impossible to get on newish vehicles[1], but rebuild transmissions for both the G56 6 speed stick and the 68rfe seem to be readily available, if uncheap. If the truck has the g56, I’m not at all surprised that shops don’t want to touch it. It has a reputation for being hard to work on, it requires special tools for many jobs, and they are prone to catastrophic failure.  

[1] a high school acquaintance of mine had a fancy suv (a Lexus or Acura) totaled by an insurance company, after someone hit him in a parking lot. The only damage was the glass of one headlight was broken.  A factory replacement was not available for 18 months, and he refused to having a used or aftermarket part installed (Indiana law gives you the right to insist on new parts, on cars less than 5(?) years old. ) The truck was only a year or so old, and still in production.

  for some reason, the insurance company did not want to pay for months of rental car, and totaled the car. This was near the peak of crazy used car prices, so they paid him substantially more than he gave the dealer for it. 


> Again, though, if the repair garages do not want to work on it, there probably is some sound reason(s).
> 
> I have an engine rear main seal leak on my '03 GMC Savana and used a seal leak additive which did stop the leak for a while, but it has returned. 
> 
> 
> After a few months of local driving (a few hundred miles) I noticed the oil pressure was dropping again, I again replaced the filter and the oil pressure went back to normal.
> 
> I cannot prove it, but I believe the stop leak was plugging the filter as well as plugging the leak. It made me very cautious about using anything like this again.

This is totally consistent with how most stop leak products work.  I would only use one on an engine that’s already toast. 


> 
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