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Q: Leaking intake gasket. on 2001 Ford Explorer Sport Trac

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Two months ago I discovered I had a leaking intake gasket. Leaking to the outside. My boyfriend put block seal in it and it ran until two days ago. Should we try it again. The mechanic said 900.00 to fix it, and I have to wait til income tax time. Can we try the block seal again, or is there something better?
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2001 explorer I'm guessing it has the 4.0 sohc engine. The intake gasket you talk about are common on them, block seal will have no effect on this leak. The leak is an air leak caused by oil in the intake ruining the seals. There are 3 seperate gaskets that have to be replaced, lower gaskets, upper gaskets and bolts that hold the lower intake down also have gaskets. 900 is steep get a second quote.
The leak you are talking about, i assume you meant coolant leaking ? since you used block seal to attempt a repair. I personally am not a fan of using "stop leak" types of additives, as they can cause blocking of areas that you don't want filled. ie: radiator passages, heater cores, things of that nature. now with that said 900 sounds a bit on the high side labor time is listed at 2.6 hours for upper and lower intakes. unless there are some other repairs taking place at the same time i'd get a second opinion.
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