Question about 1999 Nissan Quest

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Heater hose is leaking

What size hose and where is it located

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Hose leak should be visible upon inspection. Your local auto parts store will have the size if you tell them vehicle make, year, and model and engine size. You will need engine coolant as well to refill radiator.

Posted on Apr 21, 2014

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1 Answer

Heater core is leaking


You can remove the heater hoses and run one hose to each fitting on the engine. You may need an adapter if the hoses are a different size.

Apr 19, 2013 | 1992 Ford Ranger

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My radiator started leaking and my mechanic said that he replaced the heater coil. What is a heater coil and would it cause my radiator to leak?


Your heater coil is most often located in your vehicle's firewall. To find it, locate your water pump on your engine block and follow the water hoses back to the firewall. Where these hoses end you will find your heater core. To answer your question, no, your heater coil will not cause your radiator to leak. They are two separate units.

Aug 31, 2011 | 1994 Buick Skylark

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Leaking antifreeze between firewall and motor on passenger side. just started when i tried to use the heater. could it be the heater core and where is it located


Could be the heater core, or where your heater hoses connect at the firewall. Heater core leak would more than likely put steam in the vents of you car when heater is on and hot and fan on. If the leak is just in the engine compartment, it`s a hose or a loose connection.

Apr 18, 2011 | 2002 Pontiac Montana

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95 Camaro Z28 appears to be leaking antifreeze from the hose or hoses that run to the heater core. The hoses are rubber but appear to connect to metal lines then back to rubber before they go into the...


if your rubber hoses are cracked and leaking then replace the hoses with proper size and length.
if the hoses are leaking where they connect to the metal fittings from the heater core then try and tighten up the hose clamps -- they could just be loose.

c...

Jan 04, 2011 | 1995 Chevrolet Camaro

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1995 Safari ;How to disconnect rear heater hoses from rear heater from the front source ..All my lines under floor are leaking including vacum control under floor for closing hose line leading to rear...


Under hood at the firewall on passenger side bulkhead should observe a set of heater hoses that run off a tee fitting, jump the Tee with a lenghth of same size hose to jump out the rear, if not locate the rear heater core and jump the heater hoses together at the rear by means of an adjustable fitting and two hose clamps.

Aug 16, 2010 | 1995 GMC Safari

2 Answers

Can i bypass the heater core?


Yes. You would need to join both hoses from the firewall into a loop to circulate the water back into the engine. You will need to measure the hose sizes and make a connector. You will need to clamp the hoses to the connector.

If you use copper tubing, you should flare the ends to insure a good seal.

May 09, 2010 | 1995 Ford Escort

1 Answer

Just had radiator replaced, leak has developed around housing/gasket of hose running to passenger side just to side of engine and slightly behind. My mechanic doesn't know what the part is we are looking...


is it actually on the engine? I ask because you say it is to the passenger side and just behind the engine, that makes me think it is a heater hose, the heater hoses go from the water pump to the heater core which is located on the passenger side, the difference between heater hoses and radiator hoses is the size and of course location, heater hoses are generally about 1/2 inch to 1 inch, with radiator hoses being between 1 3/4 and 3 inches

Feb 09, 2010 | 1997 Acura CL

3 Answers

Water leak right next to inlet hoses for heater core . could there be a drain hole there


Yes, they typicaly about the same size as a pen. Make sure that it is just water comming out, and not coolant. If water, this is normall from condinsation, if coolant, you will need to change the heater core.

Oct 24, 2009 | 1992 Pontiac Sunbird

2 Answers

Need to replace heater core in 1993 buick. water leaking on floor board. need to know the location


the core is under the middle of the dash - look in under hood - you will see 2 aluminum pipes going behind motor into firewall - these are a/c lines - close to this you will also see 2 black hoses about thumb size - these are the heater hoses to the heater core - the dash might have to come out to get heater core from a/c fan housing

Sep 21, 2009 | 1993 Buick LeSabre

2 Answers

Cant find heater core hose


The heater core hoses go into the firewall area on the passenger side of the engine compartment,But I think you should look for the leak by adding water and with the engine running,watch to see if you can locate the leak,the location you are describing sounds more like a freeze plug or even the head gasket,But look and see first.


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Feb 01, 2009 | 1995 Pontiac Grand Am

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