[Roadsters] Changing transmission fluid

[Gary and Cindy Ault]

Scott,

As Patti noted, you check level with your finger in the fill hole on the 
driver's side of the trans. Oil should be up to the bottom of the hole.

I recently had the trans in my 2000 rebuilt, and the shop recommended 75W110 
AMSOil synthetic gear oil.  Any severe duty gear oil of that viscosity 
should be fine.  (I have run 85W90 regular gear oil in my 1600/U20 for 
years, but will probably change to synthetic when I re-install the engine 
and trans.

Nissan manual says the 4-speed takes 2.2 liters of oil.  Drain it through 
the bottom plug, and refill with a suction gun until oil just starts to run 
out of the fill hole, then put the plug in it.  It's a messy operation.

Gary

----- Original Message ----- 
From: "Scott McGillivray" <scottmcg at gmail.com>
To: <datsun-roadsters at autox.team.net>
Sent: Sunday, August 09, 2009 7:35 PM
Subject: [Roadsters] Changing transmission fluid


>I have a 1969 1600 with 4-speed that can use a transmission fluid change.
> I've never done a trans fluid change.  I restored the car 2 years ago and
> trans was the only fluid I didn't replace, so the existing is at least 15
> years old.  I logged about 1000 miles in last week's scorching hot 
> weather,
> this week something under my feet occasionally rumbles on deceleration.
>
> I'm going to check the driveshaft bolts and change the rear-diff oil, but
> when it comes to the gearbox I have no clue what I'm doing... although I'm 
> a
> fast learner and I have Scott Sheeler's "Datsun Roadster Book".
>
> - I don't see a trans dipstick, how do I check the gearbox oil level?  How
> much oil should be in there?  *4speed*
> - Is the filler bolt the one underneath on the driver's/left side?
>
> Other tips are greatly appreciated... step by step instructions are
> better... instructions with pictures and I'll send you a Christmas card
> every year.
>
> -Scott
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