Question about Cars & Trucks
There is either a access panel under the hood or you get to remove the heater box under the dash to get to it.
Posted on Aug 10, 2017
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Posted on Jan 02, 2017
SOURCE: 1994 CAPRICE CLASSIC LS
had same problem need to flush out the heater core .. plus make sure you do not have a air pocket in the coolant system after you changed the T-stat
Posted on Oct 17, 2008
SOURCE: HEATER CORE
Going to your local public Library would be best at this point.
Also,,i should warn you that replacing the heater core is a difficult job for someone inexperienced, and even when you know what you are doing, it is difficult.
Posted on Jan 16, 2009
SOURCE: Have no heat in my
A few things you may try before the expense of a heater core, and the labor putting another one in.
First, I just want to mention I have used Bardahl stop leak, and it worked very well for me, It's a good product. Also, you're right, the a/c commpressor is a seperate issue.
Now, you mentioned you changed the thermostat, the following test is just to make sure it's working properly, and to check the coolant circulation.
1. With the heater temp and blower off, start your vehicle and let it run 6 to 8 minutes to allow it to reach normal operating temperature. then;
turn your heat temperature and blower wide open, when you do, listen very closely in the engine compartment, you should hear a small click from the thermostat opening up to allow ciculation of the coolant.
2. Turn the engine off. Carefully reach behind the engine, at the fire wall where your inlet and outlet hose, ( both about 1 inch in diameter ),hook up to your heater core. feel each one of the hoses. If both are hot, then your coolant is circualting through the core. If only one of them are hot, then the coolant is being blocked from circulating through the core, and if that is the case I would probably try flushing the whole cooling system first.
I hope this helps.
Posted on Jan 29, 2011
WOW, sorry it has taken so long for someone to see and respond to your question. You've probably figured it out on your own by now, but if not, here is your answer. The heater core in your Caprice is located behind the glove box. To gain access, you have to remove the lower right dash insulator panel (below the glove box) and than the glove box. Remove any vaccuum lines ( mark their locations.) Then remove the lower instrument panel brace and then the heater core cover. Remove the heater core clamp bolt and clamp. Disconnect the heater hoses from the heater core on the left hand side of the engine compartment( looking at the engine from the front of the car.) Then remove the heater core.
Posted on Jun 03, 2011
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