[DML] Re: manual transmission oil change

["Justin Mettee" <jamettee@xxxxxxxxx>]

Last year, I changed my manual tranny fluid.  I used Valvoline DuraBlend (semi-synthetic) 80W-90.  No problems at all in the past year...tranny synchs well & no real difference in changing gears compared to what I think was original.

A couple notes:

1) The fill & drain plugs are identical & have a 10mm square head on them, requiring a "proper" tool which is a $20-$30 Snap-On or MATCO socket.  A good alternative since you will never use this tool socket for anything else: GatorGrip.  Got it @ Home Depot for about $12.  It's the socket with the pins in it that works on all different size bolts, wingnuts, etc.  Pretty good product & made in USA to boot!

2) Might want to consider taking the transmission end cap off & putting Loctite on the 5th gear nut.  When these loosen, they drill a hole in the end cap.  A little involved, but once you Loctite (red) it, you'll be certain to not have this problem happen.

Justin
VIN 02075

--- In dmcnews@xxxxxxxxxxxxxxx, "stephen" <steve10000@...> wrote:
>
> The PO of my car told me that he changed the manual transmission oil to "Redline 65". Well, its time to change transmission oil, and I am wondering a few things. First, I can't actually find this oil that he said he used. I have looked over the Redline site, and they make some interesting points about manual transmission oil that is "too slippery" being bad since the synchros won't work so well, etc. I note on my car that in cold weather I indeed have that occasional problem. I am contemplating going to more or less the recommended fluid, or maybe a synthetic like Valvoline 85W90. 
> 
> So, 2 questions:1) any other recommendations on manual transmission oil? 2) Regardless, when I change from one formulation to another, do I simply drain and add, or do I need to drain, add, drain again and add, to flush-out the other fluid?
> 
> steve liggett
>




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