Taking Care of the Unexpected -> If Your Engine Overheats for Your Honda CR-V SUV Second Generation (2001-2005)

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If the Engine Overheats  
The pointer of the vehicle’s  
temperature gauge should stay in  
the midrange. If it climbs to the red  
mark, you should determine the  
reason (hot day, driving up a steep  
hill, etc.).  
3. If you do not see steam or spray,  
leave the engine running, and  
watch the temperature gauge. If  
the high heat is due to overloading,  
the engine should start to cool  
down almost immediately. If it  
does, wait until the temperature  
gauge comes down to the midpoint,  
then continue driving.  
Steam and spray from an  
overheated engine can  
seriously scald you.  
Do not open the hood if steam  
is coming out.  
If the vehicle overheats, you should  
take immediate action. The only  
indication may be the temperature  
gauge climbing to or above the red  
mark. Or you may see steam or  
spray coming from under the hood.  
1. Safely pull to the side of the road.  
Put the transmission in neutral  
(manual) or Park (automatic), and  
set the parking brake. Turn off all  
the accessories, and turn on the  
hazard indicators.  
4. If the temperature gauge stays at  
the red mark, turn off the engine.  
Driving with the temperature gauge  
pointer at the red mark can cause  
serious damage to the engine.  
2. If you see steam and/or spray  
coming from under the hood, turn  
off the engine. Wait until you see  
no more signs of steam or spray,  
then open the hood.  
CONTINUED  
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If the Engine Overheats  
Look for any obvious coolant leaks,  
such as a split radiator hose.  
5.  
9. Start the engine, and set the  
temperature control dial to  
maximum heat. Add coolant to the  
radiator up to the base of the filler  
neck. If you do not have the  
proper coolant mixture available,  
you can add plain water.  
Everything is still extremely hot,  
so use caution. If you find a leak, it  
must be repaired before you  
Removing the radiator cap  
while the engine is hot can  
cause the coolant to spray out,  
seriously scalding you.  
continue driving (see  
Emergency  
).  
242  
on page  
Towing  
Always let the engine and  
radiator cool down before  
removing the radiator cap.  
Remember to have the cooling  
system drained and refilled with  
the proper mixture as soon as you  
can.  
If you don’t find an obvious leak,  
check the coolant level in the  
radiator reserve tank (see page  
6.  
).  
146  
Using gloves or a large heavy  
cloth, turn the radiator cap  
counterclockwise, without pushing  
down, to the first stop. After the  
pressure releases, push down on  
the cap, and turn it until it comes  
off.  
Put the radiator cap back on  
tightly. Run the engine, and watch  
the temperature gauge. If it goes  
back to the red mark, the engine  
needs repair (see Emergency  
Towing on page 242 ).  
8.  
10.  
7. If there was no coolant in the  
reserve tank, you may need to add  
coolant to the radiator. Let the  
engine cool down until the pointer  
reaches the middle of the  
temperature gauge or lower  
before checking the radiator.  
11.If the temperature stays normal,  
check the coolant level in the  
radiator reserve tank. If it has  
gone down, add coolant to the  
MAX mark. Put the cap back on  
tightly.  
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Low Oil Pressure Indicator, Charging System Indicator  
Low Oil Pressure Indicator  
This indicator should never  
1. Safely pull off the road, and shut  
off the engine. Turn on the hazard  
warning lights.  
Charging System Indicator  
If the charging system  
come on when the engine is  
running. If it starts flashing or stays  
on, the oil pressure has dropped very  
low or lost pressure. Serious engine  
damage is possible, and you should  
take immediate action.  
indicator comes on brightly  
when the engine is running, the  
battery is not being charged.  
2. Let the vehicle sit for a minute.  
Open the hood, and check the oil  
level (see page 145 ). An engine  
very low on oil can lose pressure  
during cornering and other driving  
maneuvers.  
Immediately turn off all electrical  
accessories. Try not to use other  
electrically operated controls such as  
the power windows. Keep the engine  
running; starting the engine will  
discharge the battery rapidly.  
Running the engine with low oil  
pressure can cause serious mechanical  
damage almost immediately. Turn off  
the engine as soon as you can safely get  
the vehicle stopped.  
If necessary, add oil to bring the  
level back to the full mark on the  
dipstick (see page 193 ).  
3.  
Go to a service station or garage  
where you can get technical  
assistance.  
4. Start the engine, and watch the oil  
pressure indicator. If it does not go  
out within 10 seconds, turn off the  
engine. There is a mechanical  
problem that needs to be repaired  
before you can continue driving  
(see Emergency Towing on page  
242 ).  
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Malfunction Indicator Lamp  
If the indicator comes on  
while driving, it means one  
If the indicator comes on repeatedly,  
even though it may turn off as you  
continue driving, have the vehicle  
checked by the dealer as soon as  
possible.  
If the battery in your vehicle has  
been disconnected or gone dead,  
these codes are erased. It takes at  
least three days of driving under  
various conditions to set the codes  
again.  
of the engine’s emissions control  
systems may have a problem. Even  
though you may feel no difference in  
your vehicle’s performance, it can  
reduce your fuel economy and cause  
increased emissions. Continued  
To check if they are set, turn the  
ignition to the ON (II) position,  
without starting the engine. The  
malfunction indicator lamp will come  
on for 20 seconds. If it then goes off,  
the readiness codes are set. If it  
blinks five times, the readiness  
codes are not set. If possible, do not  
take your vehicle for a state  
operation may cause serious damage. If you keep driving with the  
malfunction indicator lamp on, you can  
damage your vehicle’s emissions  
controls and engine. Those repairs may  
not be covered by your vehicle’s  
warranties.  
If you have recently refueled your  
vehicle, the indicator could come on  
because of a loose or missing fuel fill  
cap. You will also see a ‘‘CHECK  
FUEL CAP’’ message on the  
odometer display. Tighten the cap  
until it clicks at least once.  
Tightening the cap will not turn the  
indicator turn off immediately; it  
takes at least three days of normal  
driving.  
This indicator may also come on  
along with the ‘‘D’’ indicator.  
emissions test until the readiness  
State  
codes are set. Refer to  
Readiness Codes  
Emissions Testing  
for more  
Your vehicle has certain ‘‘readiness  
codes’’ that are part of the on-board  
diagnostics for the emissions  
systems. In some states, part of the  
emissions testing is to make sure  
these codes are set. If they are not  
set, the test cannot be completed.  
information (see page  
254  
).  
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Brake System Indicator  
U.S.  
Canada  
However, if the brake pedal does not  
feel normal, you should take  
If the ABS indicator and the VSA  
system indicator come on with the  
brake system indicator, have your  
vehicle inspected by your dealer  
immediately.  
immediate action. A problem in one  
part of the system’s dual circuit  
design will still give you braking at  
two wheels. You will feel the brake  
pedal go down much farther before  
the vehicle begins to slow down, and  
you will have to press harder on the  
pedal.  
The brake system indicator normally  
comes on when you turn the ignition  
switch to the ON (II) position, and as  
a reminder to check the parking  
brake. It will stay on if you do not  
fully release the parking brake.  
If the brake system indicator comes  
on while driving, the brake fluid level  
is probably low. Press lightly on the  
brake pedal to see if it feels normal.  
If it does, check the brake fluid level  
the next time you stop at a service  
station (see page 201 ).  
Slow down by shifting to a lower  
gear, and pull to the side of the road  
when it is safe. Because of the long  
distance needed to stop, it is  
hazardous to drive the vehicle. You  
should have it towed and repaired as  
soon as possible (see Emergency  
Towing  
on page 242 ).  
If the fluid level is low, take your  
vehicle to a dealer, and have the  
brake system inspected for leaks or  
worn brake pads.  
If you must drive the vehicle a short  
distance in this condition, drive  
slowly and carefully.  
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Table of Contents  
Closing the Moonroof  
If equipped  
TAB  
NOTCH  
SOCKET  
If the electric motor will not close  
the moonroof, do the following:  
1. Check the fuse for the moonroof  
motor (see page 237 ). If the fuse  
is blown, replace it with one of the  
same or lower rating.  
2. Try closing the moonroof. If the  
new fuse blows immediately or the  
moonroof motor still does not  
operate, you can close the  
MOONROOF WRENCH  
ROUND PLUG  
moonroof manually.  
4. To remove the round plug in the  
center of the headliner, turn the  
plug by using a screwdriver or  
coin, then pry it out. Make sure to  
align the tabs on the round plug to  
the notches on the ceilling as  
shown in the illustration.  
5. Insert the moonroof wrench into  
the socket behind this plug. Turn  
the wrench until the moonroof is  
fully closed.  
3. Get the moonroof wrench out of  
the tool kit in the cargo area.  
6. Remove the wrench. Reinstall the  
round plug.  
If you need to close the moonroof  
manually, it means the moonroof  
opening/closing function is  
developing a problem. Have your  
vehicle checked by your dealer.  
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