How do I know if I have a blown head gasket?


Asked by Sep 02, 2014 at 01:48 AM about the 2007 Dodge Charger Base

Question type: Maintenance & Repair

I just replaced my water pump in my 2006 Dodge Charger 3.5 liter V-6 now it running like crap and my engine light is on. I took it to a auto shop who said I may need a tune up but the possibility that I have water leaking into my coils which could mean a blown gasket. At times the car rides as if it was ok but I haven't drove it since I found out about the gasket issue. It's no longer leaking but seems to still be getting hot at times what should I do? and what is the expectant cost of a head gasket job on a Dodge Charger? I'm afraid they may try and take advantage of me over charging me since I am a woman. Thanks.

8 Answers


The opposite is true of a female customer at an auto shop. Females ask questions, they expect more, say they want things fixed, and know how to ask for direction. They take what they gather and then go tell everyone, It does not pay to decieve your best customer. And the reason you are in business in the first place is to get paid to do what you used to do for someone else for low pay. But you run your shop in a fair way that helps your customers more and you try to improve communication. The enviro laws and taxes slowly choke you out of business unless you treat people with care. then they tell their friends to trust you.

1 out of 1 people think this is helpful.

You need the data from the test results, If you had the tests run, what were they?


Try this. With the engine COLD open the radiator cap and start the engine and see if it bubbles from the open radiator. That's one way of telling because if it bubbles, that's a sign that the compression is escaping the cylinder.

1 out of 1 people think this is helpful.

Of course, the coolant will pump out and spill everywhere, so have a large sheet pan under it to catch the expensive coolant. and if you can get it to operating temp and produce combustion gases, there is a tester you can get at a good parts store. it fits in the rad fill neck and uses a test fluid. color change indicates gases escaping are from inside the combustion chamber. Then you tear it down to see, but if you have their testing data, you should already know what cylinder, right? So more tests to go. Take it in for the tests.


Those guys are right, but forgot part of you question. The cost will be anywhere from $800 to $1200 IF it needs head gaskets,the latter doing both banks a Dealer $2k

2 out of 2 people think this is helpful.

and temperature of the engine during the test is operating temperature. you follow the provided directions. If you have combustion gases before it warms, then you could suspect there is a crack in a cylinder head.

Simon Bezuidenhout

Either water in the oil or pressure in the rediator

2 out of 2 people think this is helpful.

The car will get to about 30 miles an hr then will start jumping & i cant go any further in mph. I do have a leak under the dash board area under the hood, None of this happens all the time otherwise it still runs like a great car,,Its a 2002 chrysler 300m

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