2000 Olds Bravada; Is It Necessary to Discharge Freon to Change Heater Core?

Interesting question. The AC and heating systems are separate and I believe there are two cores in the blower box, one for heat one for AC. So in that respect no, but I think the issue is the removal of the blower box, and you would have to disconnect the AC lines to do that. You might do a search on Blazers, as they are most likely the same as Bravada, but more common. You could go to an AC shop, they could remove the refrigerant, I am not sure they could use for another car, or give you some credit, or may say best to just let out into the air. a>

1. 1994 Chevy Cavalier Heater Core Bypass?

ITS UNDER THE DASH BROAD YES YOU CAN BYPASS BY SWITCHING THE INPUT TO THE RETURN ON ENGINE

2. 2002 Ford Exped. Heater Core Job Leaking Worst!!!?

I have been a ford technician for a long time one of the worst jobs is the heater core in a tauras, sorry for your success the entire sprint wants to come back out about 10 hours labour

3. how do i flush out heater core on a 93 camaro?

Remove heater hose where they are easiest to access. Use garden hose with sprayer and flush both hoses back and fouth until water comes out clean. re-install and top off coolant level

4. How to change heater core on 99 dodge ram van?

Extremely time consuming job. It is just a matter of removing enough of the dash to access the core. I would make darn sure that is the problem before attempting this repair. If the core is leaking you should see some coolant on the passenger floor.

5. How to determine if heater core is bad on 02 camero?

Your heater core may be clogged. Find the two heater hoses going through the firewall and see if one is significantly hotter than the other. If so, it's clogged up

6. How important is it to fix a bad heater core?

its actually very important if you want to keep your car.over heat and make other cooling components go bad

7. what happens if I can't fix my heater core immediately? Is it bad to drive long periods like that?

IS IT LEAKING OR STOPPED UP? IF IT IS STOPPED UP NO, YOU WON'T HAVE ANY HEAT. IF IT IS LEAKING, HOW BAD IS IT LEAKING? YOU DO NOT WANT TO RUN OUT OF COOLANT, WHICH WOULD BE WORSE THAN A BAD HEATER CORE. JUST KEEP TABS ON YOUR COOLANT LEVEL

8. how do you change a heater core in a vehicle?

depends on vehicle....changed core in 1980 Mustang....pulled out thru glove compartment///15 minutes....if vehicle has A/C, it may take 6 hours by a certified mechanic in a fully equipped shop

9. Could these problems mean that my heater core is bad?

as far as the coolant loss and you getting the smoke out of your vents, it looks like your heater core is bad and leaking some..if it leaks alot you might notice a wet floorboard too where it could be dripping..as far as its missing at a stop...if its overheating it could be low coolant level, but might need plugs replaced too.

10. Where is the heater core located on an 89 Pontiac Grand Am?

89 Pontiac Grand Am

11. 2000 dodge durango california 5.9 460 eng. is it my heater core?

Are you having to add coolant? If you are, have fun. You have to pull the dash and then the fun begins. Disconnect the wiring and vacuum lines.Discharge the AC, remove all the AC and Heater hoses. Hunt around for the screws you can not see to get the heater box out. Then disassemble the heater box. Once that is done you can replace the heater core, and install the new one. Reverse procedure. If you do not want the hassle, take it to the dealer and expect to drop about $700.00.

12. How do you back flush a heater core? My 2005 Jeep Liberty's heater blows hot and cold air intermittently.?

I think a 2005 is way too new to warrant a back flush. Check coolant level if it's ok, a faulty thermostat could be the problem

13. how to change out a heater core on 2001 windstar lx?

check out ford .com about 2001 windstar lx and see that come up

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