Question about 1989 Toyota Supra

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Blown Head gasket (1989 Toyota Supra Turbo)

I have white smoke/vapor that comes out of my exhaust, and am putting as much coolant into the radiator as gas in the tank. Car is a garaged summertime show car, not my everyday beater. My oil looks normal to me (i.e., doesn't look like a chocolate milkshake color at all). Could it be a blown head gasket...or what else could it be? I suspect the white smoke is vaporized coolant since there is no coolant leaks underneath. I am planning on getting the radiator pressure tested soon, followed by a head-leak test. Any advice to offer? I have received quotes for a head gasket fix for $3000 which has led me to look into the liquid fixes too (like Thermagasket & Steel Seal)..... I am weighing all options at this point, & I'm all ears!

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  • rryder14 Mar 01, 2009

    ....could it be an upper intake manifold gasket gone bad?

  • rryder14 Mar 01, 2009

    Thanks snorkelbobby for your input. I will definitely shop around and get a few quotes at some shops....a $1000 fix is bad, but a lot better than $3000!

  • rryder14 Mar 01, 2009

    Thanks snorkelbobby for your input. I will definitely shop around and get a few quotes at some shops....a $1000 fix is bad, but a lot better than $3000!

  • greg
    greg Mar 23, 2014

    replacing head gasket i use the stock gasket and a eng lift i can hAnd you the oldgasket in less than two hours. because i use aeng. lift to left the head off. you dont have to take the whole thing a part. just disconnect the down pipe and the titdo drain, after removing head bolts lift up a few inchs and thin disconect the eletrical connections. after that lift the head up enough to be abel to clean the head surface and block. let down slow when puting heD back on. slow so you fell it hit the alinement pins . I am sure people will say it will never work. but i have done six supras that way andwork every time. dnt have to take every thing of the head save a lot of time. you lift the head with both manafolds still onthe head.

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  • 4,369 Answers

I think you have a bad head gasket too. It's leaking coolant into the combustion chamber. If you pull out your spark plugs one at a time you will find one plug that is very clean. That's because when the coolant vaporizes, it gets the combustion chamber very hot, thus cleaning the plug.

You must replace the head gasket. I would think you could get it done for $1000.00 at an independant shop. Call around to several shops to get estimates.

Posted on Mar 01, 2009

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