Question about 1994 Land Rover Discovery

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Head gasket blown, how deep do i go to repair and prevent over heating problem

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As far as you can to repair it unless your prepared to junk it an buy a newer vehicle ,To repair it means the head comes off which is a lot of work and if your paying to have it done then consider is the vehicle worth this sort of money ,now a diesel manual version then yes its worth repairing but a petrol version and a auto box then think long and hard ,not so much as to the cost of repair but also the future fuel costs with the increase in crude oil costs .Remember that petrol is around 10 dollars a gallon in the UK so i think it would pay you to dump it and buy a nice citreon C3 diesel or a focus diesel car which will do in excess of 50MPG

Posted on Mar 11, 2011

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As long as you are replacing head gaskets, check all coolant lines for leaks, also replace thermostat and when done. flush out cooling system and radiator good. then you should be ok !! make sure radiator hoses are good and not collapsed on inside. have a good day ! when head gasket is off of vehicle. make sure the coolant ports on engine block are not plugged.

Posted on Mar 11, 2011

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2 Answers

If my head is blown will my car still try too turn over


yes
water in cylinders may prevent the cylinders from igniting the fuel
the starter motor will try to crank the engine over

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could have exhaust vapor build up in cooling system and then blow the hoses off the radiator

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Could have water leaking into one cylinder and then getting heated in cylinder and being exhausted as steam out exhaust pipe. losing water over time . over heating engine eventually.

Could have a cracked head or warped head also if engine was over heated.

A compression test will confirm if blown head gasket.

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A blown head gasket is usually easy to confirm. The head gasket prevents the engine coolant and oil from mixing under the head. If you have a blown head gasket, you should be able to see bubbles of water/cooland on the dip stick when you check your oil.

I do agree that with your heater taking a while to get warm, it probably has some build-up in the system that needs to be flushed out, before it causes other issues.

Best of luck!

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1 Answer

Blown head gasket


You need a new head gasket set.
Remove de head and sent to the machine shop to resurface.
And check the problem for over heating. and fix it.
Check the water pump and radiator, hoses and clamps.

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