Question about 2000 Chevrolet Venture

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I had a radiator flush done on my van, the air condidtioning was woring perfect until they did the flush and now I have no air conditioning what so ever.. Is it possible that they knocked something loose or something come unhooked? Any help you can give on this would be greatly appreciated.. Thank you

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This just happens to be a co-incedents.
The two have nothing in common except there should be two cores inside the vehicle. One would be for heat and the other is Ac.
Now heat up the engine and turn on the heat..
If you get heat then it just happen that your Ac broke down as you were doing the flush.
Now, you can get a bottle of coolent kit to charge up your system. as well as a leak sealant.
Charge the system first, you will feel the coldnest... then in the same place add sealant and your system should be find
You can buy this at you local Auto part dealer

Posted on Aug 05, 2010

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Posted on Jan 02, 2017

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How to flush a radiator in a 1998 ford expedition


Depends whether a problem is suspected or whether the radiator is definitely the cause of the trouble.

Flushing a radiator requires it to be no worse than moderately blocked because without reasonable water flow flushing is doomed to failure and even then it is nearly impossible to clean the interior of a radiator without taking it apart and rodding out the tubes or using either an acidic or a caustic additive.

Flushing the old coolant out and a small percentage of sludge is as much as can be accomplished unless an additive is used and even then with variable success. I do this by disconnecting the heater outlet hose and fitting the (turned on) garden hose to it and then running the engine until the water runs clear. Once this is done I transfer the garden hose to the top of the radiator (top hose disconnected and plugged) and also plug the disconnected heater hose. Start the engine and run until the water runs clear from the heater outlet.

A more thorough cleaning will require the radiator to be removed and laid flat on the floor. This is definitely a kill or cure process but no less risky than using a caustic additive.. The results are usually quite impressive but beware - you and anyone nearby is likely to get wet.

I have the poor-man's pressure washer, officially entitled a water-air gun, but as long as the radiator is filled with water and water is running through it and the inlet is sealed apart from the water-air gun or other arrangement that allows compressed air to be introduced into the filled radiator while water continues to flow will have the desired effect. I kneel on the radiator to keep it stable and sometimes I feel it grow under me when I give it the full air tank pressure.

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