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 Post subject: gearbox oil on a 323f bg
PostPosted: Sun Apr 15, 2018 7:14 pm 

Joined: Sun Jan 14, 2018 3:26 pm
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can someone who knows tell me if this is the right place where the oil goes in the gearbox? if not , where is it?

i know where the drain cap is

also , i bought 3l of gearbox oil GL-4 75W90 , is this the proper oil for this transmission?

PostPosted: Mon Apr 16, 2018 1:53 pm 
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Joined: Fri Sep 05, 2014 4:04 pm
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Location: Bulgaria
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Most vehicle have a sideway port for filling the gearbox.
When you fill it to the level the port is and the oil bleeds from it, that's the right amount of oil for the box.
I would look for the filling plug somewhere to the sides.
I could be wrong for that, it's just assumption.
Check some specification for the right oil for the gearbox.

PostPosted: Mon Apr 16, 2018 2:45 pm 

Joined: Sun Jan 14, 2018 3:26 pm
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i've been searching on the internet for the last few days and i just can't find anything , i looked under the car , i looked from all the angles and i just can't find it , the draining cap is pretty obvious where it is though

i found a post on a forum which said

"speedometer driven gear works as dipstick. Disconnect the speedometer cable and remove the speedometer driven gear. Lower level is at center of gear and "full" at top of the gear."

i don't know which one is the speedometer cable , i need pictures literally or a video and i couldn't find any

PostPosted: Mon Apr 16, 2018 6:58 pm 

Joined: Fri Aug 12, 2011 10:19 pm
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Yes, the BG gear oil level (on a manual transmission) is done by the speedo drive (but the BA, i.e. from 1995, has a level/filler bolt as suggested by the poster "mazzda" above). I've never had to do it because my BG is an automatic !! :o :o :o :o :o but this is what the repair manual book says:-

Use SAE 75W-90, to API GL-4 or GL-5. (e.g. Duckhams 80w/90S)
The speedometer cable and driven gear are located at the left rear of the engine compartment on top of the transmission (I think your first picture is the one, yes).
Park on level ground, set handbrake firmly, turn engine off.
Disconnect the speedo cable by turning the knurled nut securing it to the driven gear assembly.
Remove the hex head bolt securing the driven gear assembly to the transmission and slowly pull the driven gear assembly from the transmission.
Wipe clean and re-insert (i.e. use it like a dipstick).
Pull out again, the oil level should be between L and F.
Warning - do not overfill.
Edit: I just realised you're changing the oil not just checking it, but it's essentially the same.
Make sure the car has been run so the oil is hot.
Jack up so the car is level, and support it safely.
Remove the speedo drive.
Drain out (careful because hot oil can burn you).
Re-fit drain plug with a new washer.
Carefully add new oil through the speedo drive hole.
Do it slowly and keep checking the level, do not overfill. The book says 2.7 litres.
Re-fit speedo drive etc.

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