Question about 1977 Chevrolet Silverado 2500

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Where do the heater hoses connect under the hood?

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One will connecdt to the water pump and the bottom of the radiator. The other will connect the thermostat and the top of the radiator. The small third hose is just an overflow line. It usually connects to a nipple by the cap on the radiator.

Posted on Aug 03, 2010

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Posted on Jan 02, 2017

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Where are heater core hoses in 2003 dodge grand caravan?


You will find them under the hood.
Do you know what the heater core is? About the size of a hard-back book, it is a small radiator with engine coolant passing through it. It is located inside the heater case under the dash.
There are two hoses, an inlet line and a return line. Both same size, about 1 inch in diameter. Both hoses come from the engine and go up to the firewall behind the engine. Both hoses connect to the heater core right at the firewall, so there are hose clamps on the end of the hoses.
You can remove and replace the heater hoses right there under the hood, pretty easy too. But if you need to replace the heater core, that comes out from under the dash. Often there is a lot of work to get to the core, as there is a loot in the way.

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1 Answer

How do you get to the hoses to the heater core


From under the hood. The hoses go into the firewall behind the engine. Loosen the hose clamps and pull the hoses off, right at the firewall. The two brass fittings the hoses connect to are the fittings on the heater core.

Jan 20, 2017 | Cars & Trucks

1 Answer

Where is the heater core located?


Inside of the heater box. If you follow the heater hoses to the firewall under the hood, the heater core is located inside of the cabin opposite the connections under the hood. Not an easy job to change.

Jan 15, 2016 | 1984 Oldsmobile Delta 88

2 Answers

What is the name of the part the heater core is connected to under the hood


do you mean the radiator,,,it will have all the water hoses connected to i

Mar 27, 2013 | 2005 Nissan Pathfinder

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The blower and fan work on my 1998 Jaguar xk8, but no heat. What could be the problem?


3 possibilties(1) Bad secondary water pump motor.Its located on left side inner fender by firewall under hood.The pump looking thing with 2 heater hoses and 1 cable connection (2) heater valve near secondary pump, 4 hoses 1 electrical connection.Power on to shut water off to heater. (3) blocked heater core.

Dec 13, 2010 | 2006 Jaguar XJ8

1 Answer

I have a 1995 chevy silverado 1500. the heater hose bursed. do I have to remove the dash board to repair it?


The heater hose connects to the heater core through the fire wall, under the hood, remove heater hose clamp at fire wall under the hood, remove clamp at other end, install new heater hose, no you don't have to do any thing under the dash.

Sep 09, 2010 | 1999 Chevrolet Silverado 1500

2 Answers

My heater doesn't work. Hot water is circulating,


if both heater hoses going into the fire wall are hot,remove the heater control assembly from dash and make sure cable is connected and do the same under the hood where one heater hose has a valve connected to it,

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1 Answer

Blower Motor Location


Look under the hood on the fire wall where the heater hoses go into the interior ogf the car. The heater core is just inside under the dash. theree is no easy way to tak out the heater core. But it is done all the time.
Do that only if it's leaking and the carpet under the dash is wet. If not, try flushing the heater core .With the engine cold and the radiator empty, Take both hoses off that connect to the heater core. Insert some hoses to both the inlet and outlet so you can direct the water down and away from the engine. With a good stream of water pressure. Put the water hose into one of the inlets. And spray the water in until it comes out the other hose. Flush out everything that may be clogging the core.

Nov 20, 2009 | 1992 Oldsmobile Custom Cruiser

1 Answer

Find heater core


you can find the heater core of any car by following to heater hoses from under the hood they will meet at the same point on your firewall (wall seperating the inside compartment from hood compartment) If they meet at a box under the hood passengers side firewall then the core is under the hood if those 2 hoses meet and just go into the car from under the hood your core is under your dash at the location the hose go into the car. Your core is directly attached to those 1" hoses (black) 2 of them.

Oct 17, 2009 | 1989 Oldsmobile Cutlass Ciera

2 Answers

Blowing Cold Air


Sounds like a heater core. Check the passenger side floor board. Sometimes when these go out there will be some water on the passenger side floor. Hope this helps some.

Dec 31, 2008 | 1992 Chevrolet Suburban

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