Question about 1994 Chevrolet C1500

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I have 1994 350 K engine in my '86 S10 Blazer. How do you route the heater hoses off the firewall (2 fittings)? Thanks I found 1 fitting on the top of the water pump. I am still missing 1.

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The return hose connection could be at different locations on the block.put a garden hose to the water pump fitting & turn it on,you'll soon see it!!

Posted on Sep 24, 2009

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Posted on Jan 02, 2017

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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

Is the fitting and hose that comes from the rear top of my engine and runs into the passenger side firewall to the heater core?


Sounds like it may be?
Is it about a .75" - 1.0" Hose?
Because that is the normal size of heater core hose.

May 08, 2015 | 1990 GMC Sierra

1 Answer

How do I bypass the heater on a 1990 mb 300ce


find where the 2 1 inch hoses go into the firewall. Remove the clamps that hold them to the fittings on the firewall and remove hoses. Get a "U" or "heater bypass" kit from the parts store and install it into the ends of the 2 hoses.

Dec 08, 2013 | Mercedes-Benz 300-Class Cars & Trucks

1 Answer

Heater hose busted on my 2001 Montana van


If it's a heater hose, it will go to the firewall behind engine, where it connects to the heater core's fitting that juts out from firewall. Hose goes over that fitting. Heater hoses are fairly easy to replace, maybe not so easy on yours, due to lack of space. Drain the coolant before taking off hose, loosen clamps on it, then start pulling it off. Watch for a hose holding bracket that also needs to be removed before hose is completely free. Some do, some don't have such a bracket. Hire a neighborhood kid that works on cars to replace it, as sometimes that hose to heater core fitting can get stuck on tight, and if one starts yanking or pulling on it, you can break the fitting and will then need a new heater core-big expense to replace. Good luck and merry christmas in capital letters, lol.

Dec 24, 2012 | 2001 Pontiac Montana

1 Answer

Where is the drain tube on a 1997 blazer S10


For the AC-it is located on the passenger side firewall, about 3/4 of the way down from the top of the engine-best to jack up the passenger side of the vehicle (use a jackstand) and get under the vehicle behind the front passenger side tire-it is right there, exiting the firewall under the heater core hoses.

Aug 05, 2011 | 1997 Chevrolet Blazer

2 Answers

I need to bypass the heater core on a 95 chevy blazer


You need to look under the hood and you will see the two heater hoses up near the firewall. All you have to do is conect the two together not allowing them to go into the interior of the truck. Once you do this the heater core is by-passed.

Oct 15, 2010 | Chevrolet Blazer Cars & Trucks

1 Answer

1989 chevy hearter coral needs holes..how to repair?


In the engine bay on the passenger side against the firewall. Follow that which should lead to 2 nipple fittings or 2 tubes where the hoses connect to the engine. Replace the hoses when you replace the heater core. If you try to replace the hoses later, you may break the fittings at the heater core because they have minimal flexibility.**Please rate me on this answer**

Jun 06, 2010 | 1989 Chevrolet Cavalier

1 Answer

Will a 1985 S10 blazer tilt steering collum fit a


yepper! lol i have owed 5 of this geneation and both the s-10 and blazer are identical in the dash, engin and drive train

Jun 05, 2010 | 1988 Chevrolet S-10

1 Answer

How to replace heater core on 1997 Buick Skylark


You will need a piece of pipe about 2" to 3"long that will fit inside the diameter of the two heater hoses at the firewall and two hose clamps. (1)disconnect the two hoses at the firewall; (2)slip a clamp on each hose; (3)slip the piece of pipe into both hose ends to connect the two hoses together; (4)install and tighten clamps on each end of hoses over pipe. (You might want to put a little grease on the pipe for easier removal when you are ready to install new core.) Start engine and check for leaks at the connections.

Nov 06, 2009 | 1997 Buick Skylark

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