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Car Forum / Honda Cars / May 200893 civic engine help
i own a 93 civic lx with about 198,000 miles on it. It recently overheated so this week I replaced the head gasket, etc, the water pump, etc, and the thermostat. once we started it up it had a lot of white smoke. after a few minutes of running the rpm's would jump between about 500 and 1500 and did this for about 3 minutes..white smoke still present. it finally leveled out where it should be but then we heard what sounded like a gargling sound near the intake manifold, still white smoke. after while the white smoke has almost disappeared and the gargling sound is gone for the most part..also we pulled the oil cap off while it was running and there is blowback, is that normal? all fans are running correctly...any idea of what is going on? all help is much appreciated When the engine overheated, the head could have warped. Then the gasket will not seal properly. Machining of heads to achieve correct levelness is not uncommon. Google the archives for more chat on this. >i own a 93 civic lx with about 198,000 miles on it. It >recently [quoted text clipped - 19 lines] > what is > going on? all help is much appreciated oo and i forgot to mention that it still blows some smoke while reving it up.not sure if that makes any difference. I am aware of the machining of the heads..but any idea on the blowback when the oil cap is removed? thanks for the info > oo and i forgot to mention that it still blows some smoke while reving > it up.not sure if that makes any difference. I am aware of the > machining of the heads..but any idea on the blowback when the oil cap > is removed? thanks for the info white smoke is perfectly normal after the gasket is changed - all kinds of muck and filth need to be burned off internals. blowback is perfectly normal. the question is, to what degree is it happening? if fume is chuffing out harder than it it from the exhaust, the motor is pretty worn and a compression test is required. the other question is, when you did the clean-up necessary for gasket replacement, did you use any abrasives? if so, you'll get a much accelerated rate of wear on the engine. and subsequently increased oil consumption. thanks for all the responses and your help. It all cleared up after about an hour or so...put some high mileage oil in it and it runs like a champ. thanks again Ricky |
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