Question about 2004 Jeep Wrangler

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BRIVIS EVAPORATIVE SYSTEM LEAKING WHEN NOT OPERATING

Brivis evaporative cooling system. After unit operating for a while, when switched off, water runs out.

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  • anastasiaana Jan 30, 2009

    the water also runs out when not in use or not having been used for some time. Our neighbours picked up the water running out of the unit during a period of non use.

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This is condensation and it is normal

Posted on Jan 30, 2009

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This normal and expected behaviour. As water is temporarily stored in the evaporative cooling unit there is a risk of bacteria developing (ir Legionairres disease) so the unit dumps the water periodically when in use or about 1 hour after the unit has been turned off. This means the water in the unit is constantly 'fresh' or fresh enough anyway so there's less chance of bacteria developing.

Posted on Feb 03, 2009

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1 Answer

92 cad deville leaking water by the back of lower control arm


Depends on which side of the car. Is it clean water or does it look like it's from the cooling system (check the radiator/overflow tank to see if level is dropping)? If the former, probably just condensation from the AC evaporator (normal); if the latter, check for a cooling system leak above that area.

Jul 11, 2017 | Cadillac DeVille Cars & Trucks

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Codes351/420/442/455 what do they mean


(M) Check Engine Light ("Malfunction Indicator Light" or "Check Engine") will illuminate during engine operation if this Diagnostic Trouble Code was recorded (depending if required by CARB and/or EPA). MIL is displayed as an engine icon on the instrument cluster.

P0351 (M)
Ignition Coil A Primary/Secondary Circuit
Peak primary circuit current not achieved with maximum dwell time.

P0420 (M)
Catalyst System Efficiency Below Threshold (Bank 1)
Catalyst 1/1 efficiency below required level.

P0442 (M)
Evaporative Emission Control System Leak Detected (medium leak)
A 0.040 leak has been detected in the evaporative system. (A faulty gas cap may cause this code). Also see TSB 25-001-02A. Note: The respective Powertrain Diagnostic Procedures Manual will direct the technician to determine if the vehicle evaporative system has an external system leak. Examples of some external system leaks are: a loose gas cap, a disconnected evaporative system hose, or a loose hose connection. Remember that the evaporative system may also have an internal system leak. This internal leak may be caused by an intermittent or permanently stuck open Duty Cycle Purge (DCP) valve. This leak source is considered to be internal because any escaping emissions enter into the engine system and not directly into the atmosphere, unlike an external leak. An internal leak may cause one of the above DTC?s. Possible causes of a stuck open (intermittent or permanent) DCP valve are: 1. Corrosion due to system moisture or possible water intrusion into the system.

P0455 (M)
Evaporative Emission Control System Leak Detected (large leak)
A large leak has been detected in the evaporative system. See TSB 25-001-02. Also, possible faulty or loose gas cap. Note: The respective Powertrain Diagnostic Procedures Manual will direct the technician to determine if the vehicle evaporative system has an external system leak. Examples of some external system leaks are: a loose gas cap, a disconnected evaporative system hose, or a loose hose connection. Remember that the evaporative system may also have an internal system leak. This internal leak may be caused by an intermittent or permanently stuck open Duty Cycle Purge (DCP) valve. This leak source is considered to be internal because any escaping emissions enter into the engine system and not directly into the atmosphere, unlike an external leak. An internal leak may cause one of the above DTC?s. Possible causes of a stuck open (intermittent or permanent) DCP valve are: 1. Corrosion due to system moisture or possible water intrusion into the system.

May 01, 2014 | Jeep Grand Cherokee Cars & Trucks

1 Answer

Brivis ducted Heater won't get above 19 degrees ,


could be broken ducting letting hot air escape or on the intake side drawing too much outside air in. could be the fan unit not pushing enough air

Jul 26, 2013 | Cars & Trucks

1 Answer

What is the problem now? Please can you help?


If you turn on your AC on one day and nothing happens, you may be dealing with a major component failure. Your vehicle's AC system consists of a compressor, condenser, evaporator, expansion valve, a series of tubes and several fans/blowers. If either one of these components fails to do their job, it may result an entire system failure. For example, if the evaporator blower motor burns out, you will get little to no airflow through the vents.
Most modern vehicles also have safety mechanisms that may prevent a component from engaging if the pressure is low in the system due to a refrigerant leak. Refrigerant can leak for many reasons, including undone welds, loose connections, corrosion, physical damage from road debris, etc. Look for oily stains underneath your car, as they may indicate a leak. If you suspect a refrigerant leak, take your car to General Automotive. We will test the pressure and use special dyes to pinpoint the leak.
Warm Air is Coming Out Instead of Cold As you get in your car and turn on your AC, you probably expect it to be blowing hot air for the first minute or two until the system cycles through enough to cool it. But what if the air never gets cold ? Or maybe it it gets cooler, but not cold enough ? No, your car didn't get confused and turned on heat by accident. There is likely a problem with your condenser.
A condenser's job in a vehicle is to cool the warm refrigerant that was used to make the air cold in the evaporator. A condenser has coils and a fan to push the air through the coils and thus cool the refrigerant. If the condenser coils get dirty or clogged, or if the fan fails, the refrigerant won't be cooled completely, so the air will come out warm. It's best to take your vehicle to an experienced AC Repair professional to troubleshoot this problem if you don't know your way around under the hood.
Cold Air Blows Intermittently So you went for a road trip or a long drive, and after 30 minutes of driving realized that your AC suddenly stopped working or switched to blowing warm air. The cold air returns shortly, and the cycle repeats itself for as long as you are driving. What's wrong with your car?
Intermittent cooling is often caused by the components of your vehicle's AC system freezing up. Typically an iced over evaporator is the culprit. An evaporator covered in ice can't cool the air, so you would have to wait until the ice melts, which is why the cold air eventually returns. There may be numerous issues causing the icing-from a dirty cabin air filter to a blocked evaporator drain or an overcharged system. Look for puddles of water under your car-this could be a sign of a freezing problem.

Oct 25, 2017 | 1999 GMC Safari

1 Answer

Water evaporates from the radiator


If there are no external leaks then your head gasket is leaking, The cooling system is completely sealed so it won't evaporate

Mar 06, 2012 | Cars & Trucks

2 Answers

Leaking on the passenger side, next to centre console. Dropping water level in so that it needs refilling almost daily 0.5 litre+. How do you fix it or can get a quote.


your heater core is leaking, need to replace it or u can put a hose connector to by-pass heater, this is done for temporary repair only. under hood look for two coolant hoses that go into firewall of veh. and install a hose connector that is same outside diameter of the inside of hoses & install two clamps to keep pressure from coming out.

Jan 15, 2011 | 1998 Subaru Legacy

2 Answers

What does po440 on a 2003 saturn vue mean with a service engine soon light on


That is a problem in the evaporative emission control system.
Could be anything causing it
Clogged filter in the charcoal canister
A leak in one of the vacuum lines
The purge valve not working,,,etc.
The best thing is to take it and have it checked out, they might have to do a smoke test to find the problem.
All they do is inject smoke into the system, if there is a leak the smoke will come out of it. All it takes is a pin hole in these emission systems to screw it all up.

Aug 13, 2010 | 2003 Saturn VUE

2 Answers

I checked the codes and one comes up its po446. i dont under stand what it mean so i cant fix it to get the light to go out.


P0446 Evaporative Emission System Vent Control Circuit.
The following are descriptions of all Evaporative possible codes:

P0441 Evaporative Emission System Incorrect Purge Flow
P0442 Evaporative Emission System Leak Detected (small leak)
P0443 Evaporative Emission System Purge Control Valve Circuit
P0444 Evaporative Emission System Purge Control Valve Circuit Open
P0445 Evaporative Emission System Purge Control Valve Circuit Shorted
P0446 Evaporative Emission System Vent Control Circuit
P0447 Evaporative Emission System Vent Control Circuit Open
P0448 Evaporative Emission System Vent Control Circuit Shorted
P0449 Evaporative Emission System Vent Valve/Solenoid Circuit
P0450 Evaporative Emission System Pressure Sensor/Switch
P0451 Evaporative Emission System Pressure Sensor/Switch Range/Performance
P0452 Evaporative Emission System Pressure Sensor/Switch Low
P0453 Evaporative Emission System Pressure Sensor/Switch High
P0454 Evaporative Emission System Pressure Sensor/Switch Intermittent
P0455 Evaporative Emission System Leak Detected (large leak)
P0456 Evaporative Emission System Leak Detected (very small leak)
P0457 Evaporative Emission System Leak Detected (fuel cap loose/off)
P0458 Evaporative Emission System Purge Control Valve Circuit Low
P0459 Evaporative Emission System Purge Control Valve Circuit High
---
At least the cap isn't loose for the gas tank.

I would clear the code with an OBD-II Scanner 'erase code' button, and see how long it takes for it to come back.

Aug 06, 2010 | 1996 GMC Jimmy

1 Answer

Coolant is leaking when air conditioner is on.


Are you sure that it is coolant? The AC system evaporator/core does condensate and it is drained off from the core plenum through a tube that runs out under the passenger side of the fire wall and it can very much resemble a coolant leak (except that it is clear water from condensation and not coolant) and that is a normal condition.

However if it is actually coolant leaking it should not be intermittent and only leak when the AC is operating, and if it does have a coolant leak it should leak any time that the cooling system is pressurized.

Have you actually confirmed that there is a coolant leak and it is not just water from condensation, let me know if the fluid is actually coolant and the only thing that it would most likely be is a faulty radiator cap that is not holding pressure, and when the AC is operating it will cause the cooling system to work harder to cool the engine, and the radiator cap might not be able to handle the extra few pounds of pressure put on it by the AC system.

Jun 10, 2010 | 1999 Chevrolet Malibu

1 Answer

98 VW Jetta, 2.8L, engine continues to overheat


A BAD CAP ON TOP OFF YOUR COOLANT TANK WILL ALLOW THE COOLANT TO SLOWLY EVAPORATE OR BOIL OUT OF THE SYSTEM. COOLING SYSTEMS NEED TO KEEP A CERTAIN PRESSURE TO COOL OVER 212 DEGREES OR EVAPORATION TAKES PLACE JUST LIKE WATER

Mar 22, 2009 | 1998 Volkswagen Passat

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