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1.8 2005 Ascent manual transmission oil change?

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Hello Everyone,

Requesting any available pointers about changing a 1.8 (1ZZ) five speed manual transmission oil please?

Would appreciate oil quantity and viscosity please, along with info on whether the diff needs to be changed separately. Very difficult to see if this is so.

With thanks, Danny.

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As per attached lube guides, refill capacity is 1.9 litres and differential is combined with the transmission.



Best pointer that I read and do is to firstly loosen the refill bolt before loosening the drain bolt. Quite logical because you are not going anywhere with a drained gearbox that you cannot refill. Good idea to work out how you are going to refill the gearbox especially if you do not have a hand pump.


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  • 4 weeks later...

Definitely a hand pump is needed for a DIY gearbox oil change. You can get pumps with specially made filler spouts that can get into the tight spaces surrounding the refill hole. Another very good reason for removing the refill plug first is that you are letting incoming air displace the oil coming out the drain hole. If people do not think that this matters, try emptying the gearbox with the filler bolt intact. It will splatter and "glug" all over the place and make a mess on the floor. With the refill plug removed first, the oil will come out smoothly and won't splatter everywhere.

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