As i understand it there is no way of accurately checking the oil level in the gearbox. Mine has a bit of an oily underside so must be weeping slightly/slowly. I am away on 100 mile round trip in the van this weekend and just want to top the level up before i get round to a full oil change as dont want to do just before i go away ( if avoidable)
So, if there was say 4L of oil in the box ( unlikely) and i chuck another litre in there, technically overfilling, will the gearbox explode into 1000 pieces ?.
Petrol 5 speed manual
Gearbox oil
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Gearbox oil
1983 1.9 DG Autohomes. Its big n black y'know.
- Ian Hulley
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Re: Gearbox oil
Tony Tone wrote:As i understand it there is no way of accurately checking the oil level in the gearbox. Mine has a bit of an oily underside so must be weeping slightly/slowly. I am away on 100 mile round trip in the van this weekend and just want to top the level up before i get round to a full oil change as dont want to do just before i go away ( if avoidable)
So, if there was say 4L of oil in the box ( unlikely) and i chuck another litre in there, technically overfilling, will the gearbox explode into 1000 pieces ?.
Petrol 5 speed manual
Nope, it will overflow from the fill plug. (which mine did at exactly 4 ltrs yesterday)

Ian
The Hulley's Bus
1989 2.1DJ Trampspotter
LPG courtesy of Steve @ Gasure
1989 2.1DJ Trampspotter
LPG courtesy of Steve @ Gasure
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- Registered user
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- Location: South-East Cornwall, near Plymouth
Re: Gearbox oil
The fill hole is the level - cant be overfilled.
Why not change the oil now while you're under there?? The gearbox will love you for it!
Try 75W90 GL4/GL5 as recommended by Aidan. Made an improvement to the gear changes on my 5 speed box.
Particularly gear first change of the day.
Just saw yours Ian.
Why not change the oil now while you're under there?? The gearbox will love you for it!
Try 75W90 GL4/GL5 as recommended by Aidan. Made an improvement to the gear changes on my 5 speed box.
Particularly gear first change of the day.
Just saw yours Ian.

1.9 DG WBX, 5 speed gearbox, standard steel wheels
Re: Gearbox oil
cheers for the advice, ill have a wiggle under the van.
1983 1.9 DG Autohomes. Its big n black y'know.