Question about 2004 Honda CR-V
In our 2004 CRV there is no heat, AC OK. The hot water valve under the hood is now disconnected and wide open. The inlet and outlet hoses are both hot so I think there is flow. Is there a swing door to balance cold and cold air? Could it be stuck in the AC side? Where is it located? Vacuum or electric operated?
Most vehicles are vacuum actuated heat and A/C under dash and the blend door on your is staying closed and covering the heater core so no heat can enter. The blend door vacuum line is most likely crimped closed or disconnected. Look on top of the heater box for said actuator and the door hinge to check it. You may be able to see it even.
Posted on Jul 11, 2017
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Posted on Jan 02, 2017
SOURCE: PCV valve for 2004 Hona CRV
PCV Valve Operation:
A vacuum-controlled metering device that regulates the flow of crankcase fumes in the positive crankcase ventilation system by allowing more flow at high speed than at low speed, and acts as a system shutoff in case of engine backfire to prevent an explosion in the crankcase.
Depending on your engine size, the PCV is a different style and slightly different location.
Usually they are mounted in a hole on your valve cover.... connected by a vacuum tube.
Some are mounted with threads into the engine block (usually by the oil filter)
On the '04 Crv - it is nearly inaccessible behind the AC compressor and beneath what looks like an old vacuum advance. Most PCV valves today do not need to be replaced, unless there is actual valve failure, which I have not seen happen. I would not be concerned about replacing it.
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Posted on Feb 21, 2009
SOURCE: CRV headlights
The adjustment screws/nuts should be located either on the top of the headlamp assembly,
behind the headlamp assembly, or near the frame rail by the radiator
You will have vertical adjustment screws for each independent beam (separate highs and separate lows, but will be same screw if highs and lows are the same bulb). You may also have additional horizontal adjustment screws as well
Park your car on a level ground 30 feet from a wall and measure the height from the ground to the bulb and mark on a wall (do this for highs beams and low beams if the bulbs are separate, if highs and lows are the same bulb, only do it for the lows)
For Low Beams: If the headlights read VOR, then aim the brightest part or cutoff part just below the mark on the wall. If it says VOL or nothing, aim them 2 inches below the mark on the wall.
For High Beams (if separate from low beams): Aim the headlight directly at the line you marked on the wall.
Posted on Nov 04, 2009
It's not a easy job but I'm pretty sure you had one of those problems where the idle surges if this is the case take out the air intake tube that leads to the throttle body, get a can of carburetor fluid and spray around the throttle body. You will need someone to start the car and hold the gas peddle to 2500 rpm while you do this the car will shut of when you do this, restart the car and repeat the process until half of the can is used up. Now check your antifreeze level fill if needed and reset you check engine light. Now you can take the idle air back and get your money.
Posted on Nov 17, 2009
SOURCE: Hi Honda crv (98) R overheating.
SOUNDS LIKE YOUR THERMOSTAT IS STICKING,REPLACE THERMOSTAT FIRST OVERHEATING WILL DAMAGE ENGINE.IF THAT DOSEN'T WORK HAVE WATER PUMP CHECKED.FANS WON'T TURN ON IF HEAT FROM ENGINE IS NOT FLOWING INTO RAD BECAUSE THEROMOSTAT STUCK CLOSED,OR WATER PUMP FAILING
Posted on Jan 28, 2010
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