Gear selector issues

[asohotra]

Recently, my 2004 Ford Galaxy TDI would not go into gear properly I to had force the gears. Took the car to mechanic he found the problem straight away on the passenger side there is a cover or cap which goes in the gearbox that had come off and all the oil was leaking out hence why I had a problem getting the car into gear. He advised I should replace that cover or cap just in case it comes off. Does anyone know what this cover or cap is called and where I can get it from? Also I need to top the oil the box which is the correct one for the 6 speed box? I have told it is best to Dexron?

[johnnyroper]

Sounds like the breather to me,the cap allows gearbox to breath but keep oil in.
Not 100% on gear oil but I would suspect it is something like 75/80 gl4 or gl5 synthetic. I am assuming you are talking about a manual box?

[Mirez]

There is also a large cap on later gearboxes (about 3inch diameter) with the engagement shaft behind it. A 2004 may have that cap as well but they are normally buggers to remove so Its unlikely to have just fallen out.

[Kristaps Baltais]

Did you had whining sound while in 5th gear, while you are not accelerating? Cap Mirez was talkin about is indeed pita to get out when you need it, but i have seen them coming out with bad bearing. That also explains loss of oil.

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