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MK 1 MR2 - AW11 Discussion and technical information for 84-89 AW10 & AW11 MR2. 3A-LU, 4A-GE, 4A-GZE.

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Old 02-02-2009, 05:46 PM   #21 (permalink)
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Quote:
Originally Posted by Jackstand Queen View Post
Wow pulling off the head is a rather severe solution. Unless you have oil in the coolant, or coolant in the oil.

What do the spark plugs look like? Are they wet?

What did the compression test reveal?


You car's running characteristics also remind me of a vacuum leak.

Well no harm done, pulling the head just means some expense and labor involved. And when put back properly, it will give an extra measure of reliability and longevity.
yes it is a rather severe solution,but he said that the gasket was messed up.thus explaining the symptoms he is having.
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Old 02-03-2009, 12:16 AM   #22 (permalink)
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well its really needed i revved it up the day i tried to get it running and there was oil mixed with coolant!... it looked milky which i know is a bad head gasket..
i actually connected all the vacuum hoses how they were suppose to be the owner before them had them all mixed up.. i followed the diagram under the hood..
well anyways i know which bolts your talking about but wont i need a magnet of some sort to prevent something from falling..
im going to practice first on the engine 4ag that i have sitting in my backyard,
which i already pulled the cams and covers off now what i need to do is remove the head..
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Old 02-03-2009, 12:50 AM   #23 (permalink)
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well after you get the head off,milled a put back on,we can see if you have any problems from there on.
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Old 02-03-2009, 12:55 AM   #24 (permalink)
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ya thanks man!!...we'll see
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Old 02-09-2009, 02:46 PM   #25 (permalink)
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dose any one know where i can find fornt end body parts for an mk1 mr2 the year is 87
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Old 03-11-2009, 05:39 PM   #26 (permalink)
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If the head gasket is bad, you better fix that before you worry about any sensors or vacuum leaks--this is why other people asked about compression numbers--so we can see if the head gasket's bad. Of course, if you have coolant in your oil, or exhaust coming out through your radiator, or that sweet antifreeze smell out your exhaust, those will also tell you the head gasket's bad.

A bad head gasket can act like a vacuum leak, but you get coolant or oil (or both) into the combustion chamber instead of just air. Always fix what's obviously wrong, even if it doesn't seem like it could cause the particular problem you're having.
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