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How to change gearbox oil writeup

al_p
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How to change gearbox oil writeup

Postby al_p » Sat Aug 10, 2013 5:15 pm

Hey I thought I would do a quick guide with pics of how to change the gearbox oil and diff oil this is on my mk2 6 speed but to be honest the mk1 and the 5 speeds are fairly similar also :)

Ok tools you will need are a 24mm + 23mm socket and ratchet and a homebrew filling system (look below).

Firstly jack up your car or put your car on ramps you need to try and make the car as level as possible lucky for me I have a slanted driveway so it was not too hard to get level.

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This is the spirit level on the sill below.
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Now locate the drain and refill plugs on the gearbox these are on the passenger (near/side) side of the gearbox.
The drain plug is NOT THE BOLT WITH THE TORX it is the one that requires a 24mm socket to undo if you undo the torx bolt the world will stop and we will all die !! fact!

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Ok now all your gearbox fluid has all drained clean up the magnetic drain plug and get all the filings off it, these are pretty normal so don't worry.

BEFORE:
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AFTER:
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Make sure you remember to put the drain plug in and here is the fun bit and the bit you need a homebrew filler or some kind of pump (I chose the homebrew "shitfiller3000") this compromised of a hosepipe, a funnel and a smaller pipe to fit into the fill plug hole and some duck tape. What I did was route the pipe through the engine bay into the gearbox and had a friend put about 500ml in at a time and wait for it to drain through until the correct amount was in the gearbox, have a spare tub incase of any spillage when you remove the pipe from the gearbox.
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Now once this is done put the fill plug back in and hey presto the gearbox is done .. now for the diff :)

I used 75w 90 but I've heard others using 80w 90 .

Next post to follow....
Last edited by al_p on Sat Aug 10, 2013 5:41 pm, edited 1 time in total.
I remember the days when ‘Blue Ray’ was an elderly gentleman who drowned in our local swimming pool.
al_p
Moderator
Posts: 295
Joined: Sat Mar 17, 2012 11:15 am
Location: st helens

Re: How to change gearbox oil writeup

Postby al_p » Sat Aug 10, 2013 5:24 pm

one other thing about the 6 speed box before i talk about the diff there is two other screws people remove by accident while refilling this will also destroy your geabox its another torx one and a ~14mm?further up towards the front these are on the driver side (off/side) in the picture marked red below .. one other maintenance thing when the oil is drained is to check the condition of the reverse switch marked blue , you can unscrew this and check that the press switch is working and not jamming or grinding .
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I remember the days when ‘Blue Ray’ was an elderly gentleman who drowned in our local swimming pool.
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Lazza
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Re: How to change gearbox oil writeup

Postby Lazza » Sat Aug 10, 2013 8:13 pm

As yours is a 6 speed you don't have any turret oil as the linkage is lubricated from the gearbox oil. Also, you could have filled the gearbox via the turret :wink:
Lazza

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