Question about 1997 Ford Crown Victoria

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Loud nocking noise

Changed intake manifold got coolant in oil changed oil loud nock after that

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  • mjb960
    mjb960 Dec 07, 2012

    Thank every one for the help still working on it



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We had this problem with a crown vic,we thought it was a rod knock but it was a cat converter that was going bad

Posted on Dec 05, 2012


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SOURCE: coolant is black in 2000 ford winstar

2 types of engine coolant one is green other is pink wrong one is used it changes color to black! witch one did you use? your vehicle may be faced with this I found 5 cars like this with this problem= wrong coolant installed!

Posted on Jan 05, 2009

Tech Jenkins
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SOURCE: Noise under intake manifold

best thing to do is to take the intake and valve covers off, its possible you may have inadvertently sucked something up and it's in you intake. That is the best solution.

No telling what it is until you take things apart and take a look. It shouldn't be too hard, make sure you get new gaskets, gaskets are cheap anyways.

Posted on Jul 29, 2008

  • 42 Answers

SOURCE: Coolant leak on 2001 Taurus.Coolant seems to be

heaterhose is in that general area. most common leak is that spraying aroung so it looks like something worse

Posted on Mar 17, 2009

  • 453 Answers

SOURCE: coolant in # 1 cylnder\clean intake port of intake manifold

Check the lower intake gasket again the new gaskets that are being use made out of plastic with rubber port seals sometimes don't seal right I still used gasket sealer with the new plastic gasket even if it has rubber seals. MY 4.2 v6 had that problem but I went ahead and replaced the head gaskets also just to cover all the bases. And my F-150 has 210,000 miles on it. Make sure you tight the bolts I know it probably calls for something like 8 ft lbs which to me is not tight enough. Double it.

Posted on Apr 18, 2009

  • 432 Answers

SOURCE: Intake manifold cracked and leacking coolant (External)

You can clean the area really good with degreaser and apply JB Weld but that is only a temporary fix it will leak again

Posted on Oct 04, 2009

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Yes i have a 2003 dodge durango it is lossing a lot of power and has a nock by the intake manifold

Catalyst possibly
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Red check Gage light on oil gage went all the way down.oil is full made a light nocking noise.still runs but makeing nocking noise.

Knocking noise is not a good sign. Could be the oil flow has been disrupted. Continued driving could damage the engine. Take it in for service immediately.


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Sounds like big end bearing gone and oil would probably be coming from gear box and engine seam and falling on exhaust its sounds like a pretty stuffed motor but everything is fixable depending on how much coin it coast and if its worth it cya Neil

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