How much transmission fluid does a 2006 Mercury Grand Marquis take?

14 quarts as a total fill for the 4R75E 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 2006 Mercury Grand Marquis use?

The source lists only a catalog code for this year, not the OEM specification, so use the fluid named in your owner's manual or on the dipstick.

What brake fluid does a 2006 Mercury Grand Marquis 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.

2006 Mercury Grand Marquis transmission fluid capacity and fluid specs

GarageDex's fluid data shows the 2006 Mercury Grand Marquis (4.6L 8-cyl) uses the 4R75E automatic transmission, which holds 14 quarts of fluid as a total fill.

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

Key takeaways

Transmission: 4R75E automatic transmission, 14 qt total fill.
Total fill is the whole system; a drain-and-refill takes a third to half.
Brake fluid grade: read it off the reservoir cap.
Fluid specification is not named by the source - use the owner's manual.

2006 Mercury Grand Marquis fluids by engine
Engine	Transmission	Total fill	Fluid spec	Brake fluid	Gear oil
4.6L 8-cyl	4R75E automatic	14 qt	per owner's manual	see reservoir cap	rear GL-5 80W-90 2.54 qt
4.6L 8-cyl	4R75E automatic	14 qt	per owner's manual	see reservoir cap	rear GL-5 80W-90 2.54 qt

Fluids for the 2006 Mercury Grand Marquis

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.

Transmission fluidYou need about 14 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 2006 Mercury Grand Marquis specs

All specs Engine oil Coolant capacity Maintenance schedule

Other Grand Marquis years

2011 2010 2009 2008 2007 2005

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.