Re: [DML] manual transmission oil change

["stevedmc" <stevedmc@xxxxxxxxx>]

I did some work on my manual transmission about a month ago.  Hopefully my 
advice will help some.

1.  For transmission oil I used 3.9 quarts of 85W90 Castrol Gear Oil.  I 
think I got it at Oreilly's for about $4 a quart.  Autozone has it too but 
they are a little morme expensive.

2.  Before you do anything on the transmission I have to ask a question.  Is 
your tranmission leaking oil?  You need to inspect your transmission near 
the axles on each side and see if oil is leaking out.  If it is, you need to 
change the rubber seals and upgrade your flanges either by replacing them or 
upgrading them.  (ask me about this and I can send more info if you need 
it).

If you were blessed to not have a transmission leak I would say go ahead and 
just change it like you would oil.  Run the car for a few minutes to get 
things warmed up.  Then put the rear of the car on a ramp (or whatever your 
prefered meathod is of raising it), get a trusty 12mm socket and before you 
drain it ensure the filler plug comes out.  You do not want to drain the oil 
until you know you will be able to fill it back up!  The filler plug and 
drain plug have square heads and the 12mm socket should fit nicely.

Once you have the oil out get yourself a funnel and a long hose that will 
fit into the filler hole.  I recomend putting the funnel in the engine bay 
so it will be raised up and gravity can push the thick oil down into the 
transmission.  Then just pour the oil in the funnel until it is full

.
----- Original Message ----- 
From: "stephen" <steve10000@xxxxxxxxxxx>
To: <dmcnews@xxxxxxxxxxxxxxx>
Sent: Sunday, March 21, 2010 9:19 AM
Subject: [DML] manual transmission oil change


> 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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