Acura RL (1996-2004 year). Manual — part 355
Engine Hose Connections:
HEATER
HOSES
FAST IDLE THERMO
VALVE
HEATER
VALVE
WATER BYPASS
HOSES
IDLE AIR
CONTROL
VALVE
THERMOSTAT
HOUSING
REAR WATER
OUTLET
ATF COOLER
HOSES
when installing.
ATF COOLER
LINES
COOLANT
RESERVOIR
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Radiator
Replacement
1. Drain the engine coolant.
2. Remove the upper and lower radiator hoses and ATF
cooler hoses.
3. Disconnect the fan motor connectors and radiator fan
control sensor connector.
4. Remove the radiator upper brackets, then pull up
the radiator.
5. Remove the fan shroud assemblies and other parts
from the radiator.
Install the radiator in the reverse order of removal.
NOTE:
Set the upper and lower cushions securely.
Fill the radiator with engine coolant and bleed the air.
6 x 1.0 mm
9 N-m (0.9 kgf-m,
7 Ibf-ft)
CONDENSER
FAN SHROUD
6 x 1.0 mm
7 N-m (0.7 kgf-m,
5 Ibf-ft)
FAN MOTOR
CONNECTOR
ATF COOLER
when installing.
UPPER RADIATOR
HOSE
RADIATOR
CAP
UPPER BRACKET
AND CUSHION
RADIATOR
O-RING
Replace.
LOWER
CUSHION
RADIATOR FAN
CONTROL SENSOR
27 N-m (2.8 kgf-m,
20 Ibf-ft)
LOWER RADIATOR
HOSE
RADIATOR FAN
SHROUD
RADIATOR FAN
CONTROL SENSOR
CONNECTOR
FAN MOTOR
CONNECTOR
DRAIN
PLUG
O-RING
Replace.
6 x 1.0 mm
9.8 N-m (1.0 kgf-m,
7.2 Ibf-ft)
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Engine Coolant Refilling and Bleeding
'96 -00 models:
CAUTION: When pouring engine coolant, be sure to
shut the relay box lid and not to let coolant spill on the
electrical parts or the paint. If any coolant spills, rinse it
off immediately.
NOTE:
Perform this procedure when the engine is cool.
Before replacing the coolant, turn the ignition ON (II),
slowly turn the climate control temperature knob to
90°, and turn off the ignition. This will allow the
coolant in the heater to drain out with the rest of the
system.
When the radiator is cool, remove the radiator cap.
Loosen the drain plug, and drain the coolant.
DRAIN
PLUG
DRAIN CAP
2. Remove the drain cap from the coolant drain pipe
to drain the block.
3. Put the drain cap back in place, then reinstall the
clip on the drain cap securely.
4. Tighten the radiator drain plug securely.
5. Remove, drain and reinstall the reservoir. Fill the
tank halfway to the MAX mark with water, then up
to the MAX mark with antifreeze.
6. Mix the recommended antifreeze with an equal
amount of water in a clean container.
NOTE:
Always use only genuine Honda antifreeze/
coolant.
For best corrosion protection, the coolant con-
centration must be maintained year-round at
50% minimum. Coolant concentrations less than
50% may not provide sufficient protection
against corrosion or freezing.
Coolant concentrations greater than 60% will
impair cooling efficiency and are not recom-
mended.
CAUTION:
Do not mix different brands of antifreeze/coolants.
Do not use additional rust inhibitors or anti-rust
products; they may not be compatible with the
coolant.
Engine Coolant Refill Capacity [Including reservoir
(0.65 (0.69 US qt, 0.57 Imp qt))]:
6.1 (6.4 US qt, 5.4 Imp qt)
7. Remove the engine cover (see page
).
8. Loosen the air bleed bolt in the water passage, then
fill the radiator to the bottom of the filler neck with
the coolant mixture. Tighten the bleed bolt as soon
as coolant starts to run out in a steady stream with-
out bubbles.
9. With the radiator cap off, start the engine and let it
run until it is warmed up (radiator fan comes on at
least twice). Then, if necessary, add more coolant mix
to bring the level back up to the bottom of the filler
neck.
10. Put the radiator cap on tightly, then run the engine
again and check for leaks.
BLEED BOLT
9.8 N-m (1.0 kgf-m, 7.2 Ibf-ft)
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Radiator
Engine Coolant Refilling and Bleeding
'01 model:
CAUTION: When pouring engine coolant, be sure to
shut the relay box lid and not to let coolant spill on the
electrical parts or the paint. If any coolant spills, rinse it
off immediately.
NOTE:
Perform this procedure when the engine is cool.
Before replacing the coolant, turn the ignition ON (II),
slowly turn the climate control temperature knob to
90°, and turn off the ignition. This will allow the
coolant in the heater to drain out with the rest of the
system.
When the radiator is cool, remove the radiator cap.
Loosen the drain plug, and drain the coolant.
DRAIN
PLUG
DRAIN CAP
2. Remove the drain cap from the coolant drain pipe
to drain the block.
3. Put the drain cap back in place, then reinstall the
clip on the drain cap securely.
4. Tighten the radiator drain plug securely.
5. Remove, drain and reinstall the coolant reservoir.
Fill the tank to the MAX mark with Honda All
Season Antifreeze/Coolant Type 2.
6. Remove the engine cover (see page
).
7. Loosen the air bleed bolt in the thermostat housing,
then pour Honda All Season Antifreeze/Coolant
Type 2 into the radiator to the bottom of the filler
neck. Do not let coolant spill on any electrical parts
or the paint. If any coolant spills, rinse it off immedi-
ately.
NOTE:
Always use Honda All Season Antifreeze/Coolant
Type 2. Using a non-Honda coolant can result in
corrosion, causing the cooling system to mal-
function or fail.
Honda All Season Antifreeze/Coolant Type 2 is a
mixture of 50% antifreeze and 50% water. Pre-
mixing is not required.
8. Tighten the bleed bolt as soon as coolant starts to
run out in a steady stream.
9. With the radiator cap off, start the engine and let it
run until warmed up (radiator fan comes on at least
twice). Then, if necessary, add more genuine Honda
All Season Antifreeze/Coolant Type 2 to bring the
level back up to the bottom of the filler neck.
10. Put the radiator cap on tightly, then run the engine
again and check for leaks.
Engine Coolant Refill Capacity [Including reservoir
(0.65 (0.69 US qt, 0.57 Imp qt))]:
6.1 (6.4 US qt, 5.4 Imp qt)
BLEED BOLT
9.8 N-m (1.0 kgf-m, 7.2 Ibf-ft)
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