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Anonymous Posted on Jun 23, 2010

Does head gasket make car over heat and does the blown headgasket seal will fix problem

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Duane Wong

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  • Cadillac Master 6,826 Answers
  • Posted on Sep 20, 2010
Duane Wong
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Head gasket problems can cause leakage of antifreeze into the exhaust through the cylinders and low antifreeze levels can cause an overheat problem due to a leaky head gasket.

A leaky water pump can do the same thing except you'll see a puddle of antifreeze from the o-ring not sealing right.

Blown head gasket seal can help with minor defects in the head gasket seal but not major leaks.

It may be worth the cost to try a head gasket seal solution before replacing the head gasket which is a major procedure.

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  • Posted on Jan 13, 2014
ntagara patrice
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My engine is so hot and it bring back the water inside the small pipe from the radiator and that water is hot too.so what a problem?

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The coolant has turned into a thick grayish fluid. was advised that it might be a blown head gasket. how is this going to be fixed and what is a ballpark figure for the cost to fix it.

Well, yes, it does sound like it might be a blown head gasket.

If, in fact that is the problem, the head(s) will have to be removed from the engine and the gasket mating surfaces cleaned prior to re-assembly.

At this point it would be incumbent on a good mechanic to make sure there isn't any warpage in the head or unevenness on the block deck surface that would prevent getting a good sealing with the new gasket(s).

As to the cost, shop rates vary widely, so your best bet is talk with friends, neighbors, relatives for a consensus on a reputable local mechanic.

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On start up I get lots of white smoke this lasts until car warms to normal operating temperature, car is using a little oil have noticed oil spitting from exhaust, no obvious sign that the head, head...

Stage one of a blown head gasket is a pin hole leak. As time goes by the hole(s) get bigger.
I will start traking the coolant lost and oil lose.
From the time you stop your engine to the next morning,there can be slow leakage between the coolant passage and the cyclinder end of the head gasket.
This is one possiblilty of lots of white smoke in AM.
Small amount is normal but large amount of smoke is a call for a professional check up.
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1)coolant system compression tester
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If it's the org. engine from 1997,with over 110,000 then blowning headgasket is a good possiblity.
Drive it to the shop and let the pro to do the coolant pressure test and combustion gas test.
A full head gasket job with head re-surface (if it can be re-use) is worth it.
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Fix the blown head gasket at the first stage of failure can safe you thousand on a head replacement.
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Pajero 1989,too much smoke durong first start

Is it white,black or blue smoke?
If it's the org. engine it will has over 200,000 miles on it.

It's normal to has the valve stem seal/oil seal on the head to leak oil into the cyclinder.

The smoke you see is the motor oil drop from the seals. It land on the top of the cyclinders and it create black smoke at start up.

The inexpensive fix is to start using high mileage oil with seal conditioner.

This will help soften the rubber seals and help reduce internal oil leak.

The correct fix is to wait until it's time for a head gasket replacement and let the professional to service the head.

Complete head service is the only method to stop this internal oil drip problem.
I will monitor the oil and coolant level.
White smoke AFTER warm up is the first sign of blown headgasket.

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