Question about 1992 Toyota Pickup

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Blown head gasket??? 1992 toyota pickup 22Re

The plugs look fine, there is no water/antifreeze smell in the exhaust,the oil looks normal, when the engine is cold the radiator fluid level is stable, it doesn't flow out like a water fall. the truck doesn't over heat at all, next thing i am going to do is a compression test on each cylinder, anything else i can do to check if its the head gasket?

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  • phsyco105 Jan 02, 2009

    I just checked the pressure in the cylinders, they are all 180 psi, i think for some reason the radiator cap was not pressing down quite as hard as it could be, so i bent the tabs a little bit so it would press in a little tighter, and so far it seems to help, but it seems like anything i do, it helps for a little bit, and then starts doing the idling problem again, its directly linked to pressure in the cooling system tho, from everything little thing i have checked so far, do you think when it is idling erractically if that would show up on a diagnostics check?

  • Colin Stickland
    Colin Stickland May 11, 2010

    all above checks are right ,but one thing you havent done is a pressure test on the system,just because you dont see classic head gasket symptoms doesnt mean its not their ,without removing the cylinder head for a good inspection its impossible to say ,,,what happens is that rad gets topped up with water and not antifreeze,which is also an anti corrosion inhibitor.Hence the water ports in the head corrode and the size increases to the point where the gasket cant hold the water pressure back or the compression pressure in ,either way it can go and yours is the" it cant hold the compression inside the combustion chamber "Right must go to work and earn some centimos please keep me posted

  • Anonymous Mar 12, 2014

    engine over heated and water mix with oil seemingly the cylinder head gasket is blown up

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  • 21,932 Answers

Sorry i still think its a gasket problem,or water ports---but without bringing it to yard for me to have a look its a bit difficult and iam in spain.These *** motors use a smaller rad cap with two seals in ,so it can draw the coolant back in on cooling,but iam of the opinion that its drawing in a slight water ingression causing the idle problem.Go on give it a birthday and pull the head off and check its level and not warped ,also the water ports are not dissolved to any extent.

Posted on Jan 03, 2009

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