2011 Acura TSX Owner's Manual

Maintenance Under the Hood
Engine Coolant
240Maintenance
6-cylinder models 1. Remove the right-side engine compartment
cover.
Engine Compartment Covers

P. 2 3 3
All models 2. Check the amount of coolant in the
reserve tank.
3. If the coolant level is below the MIN mark,
add the specified coolant until it reaches
the MA X mark.
4. Inspect the cooling system for leaks.

Reserve Tank
Engine Coolant 4-cylinder models NOTICE You will need a more concentrated coolant if you
are driving in extremely cold temperature below
-31 °F (-35 °C). Consult your Acura dealer for details
about a suitable coolant mixture.
If Honda antifreeze/coolant is not available, you
may use another major brand non-silicate coolant
as a temporary replacement. Check that it is a
high quality coolant recommended for aluminum
engines. Continued use of any non-Honda coolant
can result in corrosion, causing the cooling system
to malfunction or fail. Have the cooling system
flushed and refilled with Honda antifreeze/coolant
as soon as possible.
Do not add rust inhibitors or other additives to
your vehicle's coolant system. They may not be
compatible with the coolant or with the engine
components.
Engine CoolantThis coolant is premixed with 50% antifreeze and 50% water. Do not add any
straight antifreeze or water.
We recommend you check the engine coolant level every time you refuel. Check
the reserve tank first. If it is completely empty, also check the coolant level in the
radiator. Add the engine coolant accordingly.Specified coolant: Honda Long Life Antifreeze/Coolant Type 2
Reserve Tank MAX MIN Reserve Tank

Maintenance Under the Hood
Engine Coolant
241
Maintenance
Radiator NOTICE Pour the fluid slowly and carefully so you do not
spill any. Clean up any spills immediately; they can
damage components in the engine compartment.
6-cylinder models 1. Remove the radiator cap cover. All models 2. Make sure the engine and radiator are
cool.
3. Turn the radiator cap counterclockwise and
relieve any pressure in the coolant system.
Do not press the cap down when turning.
4. Push down and turn the radiator cap
counterclockwise to remove it.
5. The coolant level should be up to the base
of the filler neck. Add coolant if it is low.
6. Put the radiator cap back on, and tighten
it fully.
7. Pour coolant into the reserve tank until it
reaches the MA X mark. Put the cap back
on the reserve tank.
WARNING
Removing the radiator cap while the
engine is hot can cause the coolant to
spray out, seriously scalding you.
Always let the engine and radiator cool
down before removing the radiator cap.
RadiatorRadiator Cap

Maintenance Under the Hood
Transmission Fluid
242Maintenance
1. Park on level ground, and start the engine.
2. Wait until the radiator fan starts and then
turn off the engine.
Perform step 3 after waiting for about
60 seconds (less than 90 seconds).
3. Remove the dipstick (yellow loop) from the
transmission and wipe it with a clean cloth.
4. Insert the dipstick all the way back into the
transmission securely, as shown in the image.
5. Remove the dipstick and check the fluid
level. It should be between the upper and
lower marks in the HOT range.
6. If the level is below the lower mark, add
fluid into the dipstick hole to bring it to the
level between the upper and lower marks,
and have your vehicle checked by a dealer
immediately.
Automatic Transmission Fluid
Transmission FluidCheck the fluid level when the engine is at normal operating temperature.Specified fluid: Acura ATF DW-1 (automatic transmission fluid)
Automatic Transmission Fluid NOTICE Do not mix Acura ATF DW-1 with other
transmission fluids.
Using a transmission fluid other than Acura ATF
DW-1 may adversely affect the operation and
durability of your vehicle's transmission, and
damage the transmission.
Any damage caused by using a transmission fluid
that is not equivalent to Acura ATF DW-1 is not
covered by Acura's new vehicle warranty. NOTICE Pour the fluid slowly and carefully so you do not
spill any. Clean up any spills immediately; they can
damage components in the engine compartment.
Upper
Lower
MarksRubber
Cap
Guide
4-cylinder models 6-cylinder models
HOT
RangeUpper Mark
Lower Mark

Maintenance Under the Hood
Transmission Fluid
243
Maintenance
1. Park the vehicle on level ground.
2. Remove the bolts with a wrench, then
carefully remove the under cover.
3. Remove the transmission filler bolt and
washer. Carefully feel inside the bolt hole
with your fingers.
Check if the fluid level is up to the edge
of the bolt hole.
4. If the fluid level is not up to the edge
of the bolt hole, add Acura Manual
Transmission Fluid (MTF) until it runs out of
the hole.
5. Put a new washer on the filler bolt, then
reinstall the filler bolt. Tightening torque: 33 lbf∙ft (44 N∙m,
4.5 kgf∙m)
6. Reinstall the under cover with the bolts.
Manual Transmission Fluid
Check the fluid level when the engine is at normal operating temperature.Specified fluid: Acura Manual Transmission Fluid (MTF)
Manual Transmission Fluid
If Acura MTF is not available, you may use the API
certificated SAE 0W-20 or 5W-20 viscosity motor oil
as a temporary measure.
Replace with MTF as soon as possible. Motor
oil does not contain the proper additives for the
transmission and continued use can cause decreased
shifting performance and lead to transmission
damage. Under Cover
Bolt

Maintenance Under the Hood
Brake/Clutch Fluid
244Maintenance
Brake/Clutch FluidUse the same fluid for both the brakes and clutch.Specified fluid: Honda Heavy Duty Brake Fluid DOT 3
Checking the Brake Fluid
The fluid level should be between the MIN
and MA X marks on the side of the reservoir.
Brake/Clutch Fluid NOTICE Brake fluid marked DOT 5 is not compatible with
your vehicle’s braking system and can cause
extensive damage.
If the specified brake fluid is not available, you
should use only DOT 3 or DOT 4 fluid from a sealed
container as a temporary replacement.
Using any non-Honda brake fluid can cause
corrosion and decrease the longevity of the system.
Have the brake system flushed and refilled with
Honda Heavy Duty Brake Fluid DOT 3 as soon as
possible.
If the brake fluid level is at or below the MIN mark,
have a dealer inspect for leaks or worn brake pads
as soon as possible.
MAX
MAX MIN
MIN Brake
Reservoir
Brake
Reservoir
4-cylinder models 6-cylinder models

Maintenance Under the Hood
Brake/Clutch Fluid
245
Maintenance
Checking the Clutch Fluid
The fluid level should be between the MIN
and MA X marks on the side of the reservoir.
Checking the Clutch Fluid
If the clutch fluid level is at or below the MIN mark,
have a dealer inspect for leaks or an excessively
worn clutch plate as soon as possible.
MIN MAX Clutch Reservoir

Maintenance Under the Hood
Refilling Window Washer Fluid
246Maintenance
Refilling Window Washer Fluid NOTICE Do not use engine antifreeze or a vinegar/water
solution in the windshield washer reservoir.
Antifreeze can damage your vehicle's paint. A
vinegar/water solution can damage the windshield
washer pump.
Refilling Window Washer FluidCheck the amount of window washer fluid using the washer fluid level gauge on
the cap.
If the level is low, fill the washer reservoir.
Level Gauge

247
Replacing Light Bulbs
Continued
Maintenance
When replacing, use the following bulbs.
High beam headlight: 60W (HB3)
Low beam headlight: 55W (H1 for halogen bulb Type)
35W (D2S for high voltage discharge type)
High Beam Headlight
6-cylinder models 1. Remove all the engine compartment
covers.
Engine Compartment Covers

P. 2 3 3
Passenger side
All models 2. Remove the engine coolant reservoir.
Headlight Bulbs NOTICE Halogen bulbs get very hot when lit.
Oil, perspiration, or a scratch on the glass can cause
the bulb to overheat and shatter.
The headlight aim is set by the factory, and typically
does not need to be adjusted. However, if you
regularly carry heavy items in the trunk or tow a
trailer, have the aiming readjusted at a dealer or by
a qualified technician.
The HB3 and H1 types are halogen bulbs.
When replacing a bulb, handle it by its base, and
protect the glass from contact with your skin or
hard objects. If you touch the glass, clean it with
denatured alcohol and a clean cloth.
Headlight Bulbs
Engine Coolant
ReservoirEngine Coolant
Reservoir
6-cylinder models 4-cylinder models