Question about 1995 Nissan Quest

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I have a water leak that comes from a small hose on the drivers side of the motor. The hose comes out of the motor near the fuel injection system, does a 180 degree turn and goes right back into the motor. It's about a 3/8" hose, maybe 5 or 6 inches long. It's been leaking water down on the exhaust manifold. What could this hose be for?

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  • Nissan Master
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If the hose is by the thermostat, it is the coolant bypass hose. drain some coolant from radiator when cold and replace hose, refill system then check to make sure there are no leaks.

Posted on May 15, 2010

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Posted on Jan 02, 2017

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I have a 1998 Cadillac DeVille D'elegance and it has a coolant leak the temperature rises but doesn't overheat I just got the car a few days ago and know nothing about it please help


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Check the ignition system. It may work fine while idling but fail during acceleration. Problem areas to be inspected include the spark plugs, spark plug wires and vacuum hoses. You should look for spark plugs that are covered in oil or sediment or damaged, spark plug wires that have damaged insulation, and vacuum hoses that are unplugged or leaking. The use of a fuel additive that contains both fuel injector cleaner and water remover can fix minor problems due to water in the gas and fuel injector clogs. Check the fuel pressure to test the injection system to assure proper pressure.

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Airconditioner leaking on drivers side


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Ihave dodge caravan sport 2001 and ihave this code in my car-p0442 how i fixed ?


This indicates a fuel vapor leak in the EVAP control system. It means a very small leak has been detected. .The (EVAP) emission control system prevents the escape of fuel vapors from a vehicle's fuel system. Fuel vapors are routed by hoses to a charcoal canister for storage. Later, when the engine is running a purge control valve opens allowing intake vacuum to siphon the fuel vapors into the engine.

A code P0442 most likely means one or more of the following has happened:
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With a P0442, the most common repair is to:
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Few places to check - rubber hose under air box (requires removing the air box) and hoses connecting to EVAP system under the van on the drivers side.

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I am seeing water behind the pump on the top of the motor in the v under all the fuel injection / intake is that normal for water pump to leak there if its bad?


its not normal. the water pump will leak in front, not back. There is a pipe and hose down in the VEE that can leak. If the pipe is bad, you will need to remove the pump to replace it. The intake manifold will need to come off, to replace the pipe/ hose. the hose connects a pipe behind the water pump to a pipe at the rear of the block to a heater hose.

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Have a gas smell near top of motor-is there a gas line from fuel pump to fuel injection


Yes there is a line from the pumt to the injectors....and also a return line. It is unlikey to leak a small amount from this, as any leaks there are under pressure and spill massive amounts...Look around for smaller leaks, often in fuel vapor recovery system...Be sure gas cap is correct one and installed correctly.

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You should run the engine and watch it to see if you can see where the leak is coming from, it is most likely coming from a hose or the water pump.

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