1998 Chevrolet Astro Van Logo
chacha boy
chacha boy Posted on Dec 30, 2013
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Ticking & white smoke after replaced intake gasket

New intake & valve cover gaskets, new plugs & wires, new distributor cap and rotor and new oil sending unit. engine has white smoke and starts ticking when reaching about 30mph

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hgpilot

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  • Expert 82 Answers
  • Posted on Dec 30, 2013
hgpilot
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Joined: Apr 29, 2009
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Sounds like coolant getting into the combustion chamber. Potential causes in order of significance: Intake manifold gasket (might not have been done right), Head gasket(s), cracked cylinder head, or, cracked engine block. Check the oil. If it looks like chocolate milk it means the coolant and oil are mixing

5 Related Answers

Anonymous

  • 1 Answer
  • Posted on Dec 10, 2008

SOURCE: 95 GMC Jimmy 4.3l W vin rough idle

My problem was solved when I repaired my 4 wd activation dash switch. The switch was contacting on 2WD & 4HI at the same time. The front differential activation is vacuum activated possibly creating a tug of war that didn't actually engage it but drained off vacuum from the engine? A theory at best but stumbbled across it because I knew the switch wasn't working properly I repaired it and low and behold rough idle disappeared and all is good for 3 weeks running.

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Anonymous

  • 5 Answers
  • Posted on Sep 15, 2009

SOURCE: 1976 Chevy Monte Carlo 350cid 4bbl Cal. model.Cars

yes check fuel lines check filter.take off fuel line after pump and make sure gas is pumping out.if not could be rust in fuel tank or get electric fuel pump and try it?

Anonymous

  • 7353 Answers
  • Posted on Mar 12, 2010

SOURCE: 98 ck 5.7, will accelerate strong,but will begin

Ck if the cat converter is plugged.

Jonah Oneal

  • 14092 Answers
  • Posted on Jan 16, 2011

SOURCE: High idle on 98 chevy 5.7. changed Intake

REPLACED IDLE AIR YOU HAVE TO ADJUST ITS DIMENSION. MEASURE FROM THE TIP OF PINTLE TO THE MOUNTING FLANGE.YOUR DISTANCE HAS TO BE 1 1/8 INCH.IF NOT ADJUST PINTLE BY PRESSING IT 1 1/8 INCH. YOU NEED TO RESET IDLE BY CYCLE THE IGNITION KEY ON FOR TEN SECONDS THEN OFF FOR TEN SECONDS TO RESET THE VALVE.START THE ENGINE ALLOW IT TO IDLE FOR FIVE MINUTES TURN THE ENGINE OFF FOR THIRTY SECONDS THEN START THE ENGINE AGAIN AND CHECK THE IDLE OPERATION.

Anonymous

  • 492 Answers
  • Posted on Mar 25, 2011

SOURCE: Chevy Prizm or Toyota Corolla 2000 valve cover

The valve cover gasket isn't hard to change. Oil on the plugs indicates a more serious problem. Smoke from the exhaust would be from rings, rich mixture, worn valve guides. It may be that the engine is overfull (that would show on the stick). Oil loss from a leaking gasket would smoke under the hood and leave oil on the engine and the ground.

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    lg-br.jpg
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