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Car still smoking after it was repaired!?!

Just got my head gasket, water pump, pcv valve fixed 2 days ago because of white smoke from exhaust which came out to $3900. Started it this morning (haven't drove it since I got it back) and there was still smoke. Is this because they didn't fix it right??

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Well if the smoke you are talking about is oil smoke then the Valve guide seals should of been replaced,but with head gaskets and water pump,sounds like you may of had a heat issue,so the smoke could of been water vapor from your exhaust,from a blown head gasket,but if it still blows that white misty smoke then you may have a cracked head or a cracked liner,or piston sleeve,but some people notice there car is smoking and keep driving,trying to make it home or to a friends to avoid the cost of towing,but if enough water gets into a cylinder while the engine is running,this could break a piston ring or rings,even break a piston,but I would pull the spark plugs out one by one and check for water on the plugs,it could be there is a lot of water trapped in the exhaust system,but doubtful,im sure the shop who did the repaired would of run the vehicle until engine warmed up to normal operation temp.and test driven the vehicle and by this time any old liquids left in the exhaust would of burnt out by then,best of luck

Posted on Dec 30, 2012

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I suggest you return your car back to the mechanic who did the repairs to get it fixed as it should be under warranty.

Posted on Dec 30, 2012

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Posted on Jan 02, 2017

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SOURCE: coolant leak/head gasket

If you have a head gasket leaking, and your engine is blowing a white smoke from the exhaust pipe, then you're taking coolant/water into your piston/s.

After a heavy acceleration your pressure is forcing more coolant/water into your cylinders..but don't be fooled..water/coolant is also getting into your cylinder/s when you're driving slow too.

You should get the head gasket repaired as soon as you can, or the head gasket may very well let loose and then you get to deal with having the heads shaved if they warp from the heat.

Either way..you really should get the gasket replaced soon.

Posted on Dec 31, 2008

jagjeffery
  • 318 Answers

SOURCE: Exhaust smoke - 1994 XJ6 4.0

you have bad valve seals again and it is possible that the valve guides are bad ( to much play ) i worked for Jaguar 13 years and i have done 100's of these and very few needed guides it sound like the seals where not done correctly at the last repair.

Posted on May 29, 2009

sawdust46694
  • 398 Answers

SOURCE: '96 Cadillac w/smoking exhaust & overheating

you will get a white kinda smoak its like steam. check the thermostat and make sure its not stuck closed.

Posted on Jul 11, 2009

  • 750 Answers

SOURCE: White smoke from Exhaust

hardly likely the exhaust job would cause that, but yes it sounds like you got a blown head gasket. badl lock stricks hmm! also preasure test cylinder head for leaks

Posted on Jul 22, 2009

  • 1 Answer

SOURCE: My 2002 cadillac deville white smoke from exhaust

Solution #2 is NO solution. WTF?! If you're trying to crack the head, that's how to do it! This guy should stay faaaar away from cars.

Posted on Dec 24, 2009

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Yes this is correct, you can get important information from the colour of smoke from the exhaust:

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Engine Block: A crack in the deck of an engine block near the coolant jacket will cause coolant to enter the combustion chamber.
Head Gasket: A damaged or blown head gasket will cause coolant to enter the combustion chamber resulting in white/gray smoke coming from the tailpipe.

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