Question about 2002 Dodge Grand Caravan

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Tell me how to get rid of a air pocket in cooling system on a 2002 dodge caravan

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Where is the air pocket?

Make certain the engine and radiator are fairly cooled down. Turn all temperature controls to full hot. Carefully remove the radiator cap.

Start engine and watch for coolant movement in the radiator. if you see the coolant level drop, replenish as needed until the radiator will not accept any more coolant.

Replace radiator cap, fill coolant reservoir to the appropriate line. Turn engine off, reset temp conmtrols as needed.

Posted on Dec 10, 2009

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Click on my screenname, go to my Tips and Tricks - I have a thorough procedure written up that will do exactly this for you.

Posted on Dec 10, 2009

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Fill the radiator FULL. Top off your coolant SURGE/OVERFLOW tank to the full point. Start the engine, let it run for about 3-4 minutes. BE CAREFUL when you SLOWLY remove the radiator cap.

If coolant comes out it WILL be hot but air will be purged. Coolant did NOT come out? Repeat from full radiator, check that overflow tank is at full. Start engine, run for 3-4 mins. Coolant STILL not coming out? Problem-you are losing coolant-busted hose, loose hose clamp, headgasket, radiator. If nothing leaks out visually, then chances are its a headgasket-see if a mist is constantly accompanying your exhaust fumes. Cut the top off a soda can, wipe the can insides clean (don't get cut!), and hold it over the exhaust pipe for a couple seconds (loosely). Inspect the can's inside. Drops of coolant? Smell the can. Coolant? Bad news.

The good news is that there is a relatively inexpensive fix for this- BLUE DEVIL head gasket fixer. You can get it at most auto parts stores. Follow instructions on this product VERY CLOSELY when you install it and your car will give you many more happy miles.

Hope this helps.

Posted on Dec 10, 2009

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Posted on Jan 02, 2017

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