[Chrysler300] Using Dextron 5 in an Aluminum Torqueflight

[Mark Lindahl <mplindahl@xxxxxxxxxxxxx>]

Hi All,
 
Just to clarify, the transmission shop that rebuilt my torqueflight was the same shop that rebuilt it in 1990 for $350 including taking it out and reinstalling it.  In 1990, it ran perfect.  and worked well until 2011.  When I replaced the 383 with the 413, I was convinced to have the trans checked which later turned into a rebuilding project.  It worked fine when the 383 was pulled, but upon inspection there were a few parts that were worn and ready to fail (Sprag Pring Retainer).
 
The guys in this club that rebuild transmissions probably know every step in the shop manual by heart.  The shops that rebuild a torqueflight once every 3-5 years or so don't know the details.  I gave this guy the shop manual, but no one reads books these days, so I really don't know if it meets the original specs or not.  
 
What I really want to know is will Dextron 5 cause problems to an aluminum torqueflight?
If you don't know, that's OK.  If you have any facts, please pass them along.
 
We can debate good mechanics and bad mechanics all day long.  When you have a modern trans rebuilt by a mechanic, do you really know if it is truly rebuilt to stock specs or are you just happy when you put it in DRIVE and it goes down the road?
 
Thanks for your help.
Mark Lindahl


--- On Mon, 5/14/12, Mark Souders <MRS954@xxxxxxx> wrote:


From: Mark Souders <MRS954@xxxxxxx>
Subject: Re: [Chrysler300] Using Dextron 5 in an Aluminum Torqueflight
To: chrysler300@xxxxxxxxxxxxxxx
Date: Monday, May 14, 2012, 7:51 PM



  




When my transmission was rebuilt about 13 or 14 years ago, it was done by an old time tranny guy who was an expert with Chrysler transmissions, and considered one of the best in the state of SC. When I finally got the car together and fired it up, it would not go into any gear, no matter which button I pushed. To make a long story short, there was a small washer lodged between the valve body and the thingy it fastens to. I'm no expert by any stretch of the imagination, but when I removed the washer and put it back together, it worked like a brand new tranny. So my point is, no matter if the guy is a novice or an expert, mistakes can happen. Hopefully the more reputable shop will make it right for the customer. In my case, the transmission and the shop were separated by about 600 miles, and the guy who rebuilt it retired, closed the shop, and moved to Florida, where he later passed away.

Regards,
Mark Souders
300H
Mohrsville, PA

-----Original Message-----
From: Ryan Hill <ryan_hillc300@xxxxxxxxxxx>
To: Bill Huff <czbill@xxxxxxxxxx>; mplindahl <mplindahl@xxxxxxxxxxxxx>; chrysler300 <chrysler300@xxxxxxxxxxxxxxx>
Sent: Mon, May 14, 2012 8:37 pm
Subject: RE: [Chrysler300] Using Dextron 5 in an Aluminum Torqueflight

I'm inclined to agree with Bill. Aside from finding a shop that actually listens 
to you, you need to find a transmission rebuilder that understands 
transmissions....all of them (new and old). There are alot of so called 
'technicians' these days that have been taught how to disassemble and then 
reassemble mechanical devices like transmissions, over and over and over. 
Problem is, very few actually understand what it is they're working on and how 
it functions. I'm often shocked at the level of understanding some of the 
younger mechanics actually have.....never mind service managers. I'm not an 
expert on fluids but your transmission guy should be, sounds like he's crossing 
his fingers as you drive away. 

Ryan Hill 


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