How much transmission fluid does a 2010 Lexus IS take?

9.9 quarts as a total fill for the A960E transmission. A drain-and-refill without removing the pan replaces roughly a third to half of that, so refill to the level check point rather than pouring in the whole figure.

What transmission fluid does a 2010 Lexus IS use?

The source names WS for this year. Use a fluid that states that specification on the bottle.

What brake fluid does a 2010 Lexus IS take?

Check the brake fluid reservoir cap - it states the DOT grade. DOT 3 and DOT 4 can be mixed; DOT 5 silicone fluid cannot.

2010 Lexus IS transmission fluid capacity and fluid specs

GarageDex's fluid data shows the 2010 Lexus IS uses the A960E automatic transmission, which holds 9.9 quarts of fluid as a total fill, specified as WS.

Shop WS fluid Match the specification on the bottle to your manual

Key takeaways

Transmission: A960E automatic transmission, 9.9 qt total fill, WS fluid.
Total fill is the whole system; a drain-and-refill takes a third to half.
Brake fluid grade: read it off the reservoir cap.
The fluid specification is named by the source - buy a fluid that lists it.

2010 Lexus IS fluids by engine
Engine	Transmission	Total fill	Fluid spec	Brake fluid	Gear oil
2.5L 6-cyl	A960E automatic	9.9 qt	WS	see reservoir cap	rear GL-5 75W-85 1.16 qt front GL-5 80W-90 0.74 qt

Fluids for the 2010 Lexus IS

Buy fluid that states the specification your manual names. Multi-vehicle fluids list the specs they meet on the back label - if yours is not listed, it is the wrong bottle.

WS fluidYou need about 10 quarts for a full fillShop fluid DOT 3 or DOT 4 brake fluidA quart covers a full flushShop brake fluid Fluid transfer pumpMost modern transmissions have no dipstick tube - you fill from belowShop pumps

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Other 2010 Lexus IS specs

All specs Engine oil Coolant capacity Maintenance schedule

Other IS years

2015 2014 2013 2012 2011 2009 2008 2007 2006

Source: World's Best Oil (AMSOIL dealer cross-reference). Capacities are total system fills; a drain-and-refill takes less. Where no fluid specification is shown, the source lists only a catalog code, so use the specification printed in your owner's manual - the wrong transmission fluid damages a transmission.